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magenta-js | img src https github com tensorflow magenta raw master magenta logo bg png height 75 build status https travis ci org magenta magenta js svg branch master https travis ci org magenta magenta js magenta js is a collection of typescript libraries for doing inference with pre trained magenta models all libraries are published as npm packages https www npmjs com search q 40magenta more information and example applications can be found at g co magenta js https g co magenta js complete documentation is available at https magenta github io magenta js https magenta github io magenta js learn more about the magenta project on our blog https magenta tensorflow org and main magenta repo https github com tensorflow magenta libraries music music contains tensorflow js https js tensorflow org implementations and support libraries for magenta s musical note based models including musicvae melodyrnn drumsrnn performancernn and improvrnn npm version https badge fury io js 40magenta 2fmusic svg https badge fury io js 40magenta 2fmusic sketch sketch contains tensorflow js https js tensorflow org implementations and support libraries for magenta s sketch models including sketchrnn https goo gl magenta sketchrnn npm version https badge fury io js 40magenta 2fsketch svg https badge fury io js 40magenta 2fsketch image image contains tensorflow js https js tensorflow org implementations and support libraries for magenta s image models including arbitrary style transfer https github com tensorflow magenta tree master magenta models arbitrary image stylization npm version https badge fury io js 40magenta 2fimage svg https badge fury io js 40magenta 2fimage | ai |
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BuildmLearn-Toolkit | buildmlearn toolkit buildmlearn toolkit is an easy to use program that helps the users make mobile apps without any knowledge of application development portage portage branch contains code developed by buildmlearn development team and martin rotter this code is developed as part of gsoc 2014 program by martin rotter packages you can use source code tarball available direct from here to build the software precompiled binary packages are available for some other platforms obs git version http software opensuse org download html project home 3askunkos 3abuildmlearn package buildmlearn toolkit git archlinux opensuse fedora ubuntu debian obs stable version http software opensuse org download html project home 3askunkos 3abuildmlearn package buildmlearn toolkit archlinux opensuse fedora ubuntu debian testing nsis installers https drive google com folderview id 0b8xnkq juobyyjmzd3larhromnm usp drive web windows xp or newer tba os 2 ecomstation tba osx mac os x how to build information regarding build process can be found in cmakelists txt file links www buildmlearn org http buildmlearn org homepage buildmlearn github io buildmlearn toolkit docs http buildmlearn github io buildmlearn toolkit docs api documentation www martin rotter 8u cz http www martin rotter 8u cz author s homepage www transifex com projects p buildmlearn toolkit https www transifex com projects p buildmlearn toolkit translations www build opensuse org project show home skunkos buildmlearn https build opensuse org project show home skunkos buildmlearn obs homepage www cmake org http www cmake org build system www qt project org http qt project org qt libraries license for use and distribution all the code in this repository unless specified otherwise is governed by the bsd 3 clause license quoted below copyright c 2012 buildmlearn contributors listed at http buildmlearn org people all rights reserved redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution neither the name of the buildmlearn nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission this software is provided by the copyright holders and contributors as is and any express or implied warranties including but not limited to the implied warranties of merchantability and fitness for a particular purpose are disclaimed in no event shall the copyright holder or contributors be liable for any direct indirect incidental special exemplary or consequential damages including but not limited to procurement of substitute goods or services loss of use data or profits or business interruption however caused and on any theory of liability whether in contract strict liability or tort including negligence or otherwise arising in any way out of the use of this software even if advised of the possibility of such damage | front_end |
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statistical-nlp-17 | statistical nlp group 17 this is the repository for group 17 of the statistical natural language processing module at ucl formed by talip ucar talip ucar 16 ucl ac uk adrian daniel szwarc adrian szwarc 18 ucl ac uk matthew lee matthew lee 16 ucl ac uk adrian gonzalez martin adrian martin 18 ucl ac uk this repository implements the matching networks architecture vinyals et al 2016 http arxiv org abs 1606 04080 in pytorch and applies it to a language modelling task the architecture is flexible enough to allow easy experimentation with distance metrics number of labels per episode number of examples per label etc more details can be found in the associated paper demo you can experiment with the model using the attached colab notebook one shot learning for language modelling ipynb https github com adriangonz statistical nlp 17 blob master one shot learning for language modelling ipynb getting started to keep the environments as reproducible as possible we will use pipenv to handle dependencies to install it just follow the instructions in https pipenv readthedocs io en latest the first time to create the environment and install all required dependencies just run console pipenv install this will create a virtualenv and will install all required dependencies installing new dependencies to add new dependencies just run console pipenv install numpy remember to commit the updated pipfile and pipfile lock files so that everyone else can also install them folder structure most of the source code can be found under the src folder however we also include a set of command line tools which should help with sampling training and testing models these can be found under the bin folder additionally you can find the following folders wikitext 2 raw wikitext 2 data set data pre sampled set of label sentence pairs and pre generated vocabulary models pre trained models the filenames encode the different parameters used to train the model results data generated after evaluating the models it includes predictions on the test set embeddings and attention maps figures figures generated from the data in the results folder tests we are using pytest for writing and running unit tests you can see some examples on the src tests folder to run all tests just run the following command console pytest s src tests dataset on the data folder you can find the train csv and test csv files which contain each 9000 labels with 10 examples each and 1000 labels with 10 examples each respectively the data is in csv format with two columns label the word acting as label which we need to find sentence the sentence acting as input where the particular word has been replaced with the token blank token an example can be seen below csv label sentence music no need to be a hipster to play blank token in vynils music nowadays blank token doesn t sound as before sampling new pairs if you want to sample a new set of pairs from the wikitext 2 dataset you can use the bin sample script for example to resample the entire dataset we could just run console python m bin sample n 9000 k 10 wikitext 2 wiki train tokens data train csv python m bin sample n 1000 k 10 wikitext 2 wiki test tokens data test csv note that the file will be processed first to be as similar as text coming from ptb generating vocabulary to make things easy to replicate we generate in advance the vocabulary over the training set and store it in a file which can then be used later for training and testing you can have a look at the format in data vocab json to re generate it after sampling new pairs for example you can use the bin vocab script console python m bin vocab data train csv data vocab json this command will store the vocabulary s state as a json file training training of a new model can be performed using the bin train script console python m bin train n 5 k 2 d euclidean data vocab json data train csv the n and k parameters control the number of labels and examples we want per episode respectively the other parameters refer to other parameters like distance metric and the pre computed vocabulary and the training set after convergence the best model s state dict is stored under the models folder with the different parameters encoded in its name for example the model poincare vanilla n 5 k 2 model 7 pth was trained using the poincare distance metric vanilla embedding using 5 labels with 2 examples each per episode from the file name it can also be seen that it converged after 7 epochs these details are discussed in further detail in the associated paper evaluation accuracy on a test set for a given model s snapshot can be measured using the bin test script console python m bin test v data vocab json m models euclidean vanilla n 5 k 3 model 24 pth data test csv this command has extra flags which allow to p store the predictions in the results folder e generate embeddings and attention for a single episode and store them in the results folder some of the already generated data can be seen in the results folder repository this repository can be found in https github com adriangonz statistical nlp 17 | nlp pytorch matching-networks | ai |
The_Power_of_the_blockchain | blockchain coding challenge due date is thursday june 15 2017 at 12 pm pst this weeks challenge is to write a simple encryption algorithm to encrypt a dataset of your choice such that to decrypt it you must have the generated key you can use any algorithm you d like some possible suggestions are aes http aesencryption net and pgp https en wikipedia org wiki pretty good privacy bonus points if your algorithm is more complex like sha 256 good luck overview this is the code for this https youtu be lzeholzy2to video on youtube by siraj raval this is a very simple blockchain implemented in python that doesn t use proof of work so its vulnerable to sybil attack the original javascript version uses an http server so you can run that here https github com lhartikk naivechain dependencies none usage this is just for demonstration purposes to actually make http requests to this blockchain see the js version i ve linked in the overview section credits credits for this code go to k5trismegistus https github com k5trismegistus i ve merely created a wrapper to get people started | blockchain |
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bsc-alpaca-contract | alpaca contract leveraged yield farming on bnb chain and fantom chain local development the following assumes the use of node 14 install dependencies 1 copy env example file and change its name to env in the project folder 2 run yarn to install all dependencies compile contracts yarn compile note there will be a new folder called typechain generated in your project workspace you will need to navigate to typechain index ts and delete duplicated lines inside this file in order to proceed run tests with hardhat yarn test testing with forge install forge curl l https foundry paradigm xyz bash install foundryup foundryup install forge and cast test forge test licensing the primary license for alpaca protocol is the mit license see mit license https github com alpaca finance bsc alpaca contract blob main license exceptions single asset lyf solidity contracts 6 protocol workers cakemaxiworker sol and all files in solidity contracts 6 protocol strategies pancakeswapv2 restricted single asset are licensed under business source license 1 1 busl 1 1 as indicated in their spdx headers see busl 1 1 https github com alpaca finance bsc alpaca contract blob main license busl 1 1 delta neutral vault all files that match deltaneutral sol and solidity contracts 8 13 protocol automatedvaultcontroller sol solidity contracts 8 13 protocol xalpacacreditor sol are licensed under business source license 1 1 busl 1 1 as indicated in their spdx headers see busl 1 1 https github com alpaca finance bsc alpaca contract blob main license busl 1 1 all files in tests remain unlicensed | defi solidity blockchain | blockchain |
angularjs-web-component-development | angularjs web component development companion code to my book web component architecture development with angularjs build status https secure travis ci org dgs700 angularjs web component development png http travis ci org dgs700 angularjs web component development devdependency status https david dm org dgs700 angularjs web component development png branch master https david dm org dgs700 angularjs web component development info devdependencies | front_end |
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Large-Language-Models-for-Code | large language models llms for code a collection of llms of code continuous update running if there are any errors or some missing models please contact us new issue https github com wanghanbinpanda large language models for code issues or by e mail wanghanbin95 163 com contents code llms code llms timeline of code llms timeline of code llms parameters of code llms parameters of code llms models models improve code llms improve code llms dataset dataset benchmark benchmark future future code llms large language models llms for code the code llms referred to here is a large language model specially trained for code related tasks its training corpus may not only contain code but also natural language the code llms here does not include the general large language model although the general large language model also has the ability to complete code related tasks timeline of code llms image 20230424054009632 assets image 20230424054009632 png parameters of code llms llms assets llms png models codex openai 2021 07 close page with curl evaluating large language models trained on code https arxiv org abs 2107 03374 black flag introduction model 1 codex md yaml model architecture decoder only gpt family params 12b training data collected code 159gb training time languages python multilingual evaluation humaneval apps supported tasks code generation docstring generation tabnine close link ai assistant for software developers https www tabnine com black flag introduction model 2 tabnine md yaml model architecture llm params training data training time languages evaluation supported tasks whole line completions full function completions natural language to code completions alphacode deepmind 2022 03 close page with curl competition level code generation with alphacode https arxiv org abs 2203 07814 black flag introduction model 3 alphacode deepmind md yaml model architecture encoder decoder params 41b training data collected code 715 1gb training time languages 12langs evaluation humaneval apps codecontest supported tasks competition level code generation palm coder google 2022 04 close page with curl palm scaling language modeling with pathways https arxiv org abs 2203 07814 black flag introduction model 4 palm coder google md yaml model architecture decoder only params 8b 62b 540b training data collected text 741b tokens code 39gb 780b tokens trained training time 6144 tpu languages multiple evaluation humaneval mbpp transcoder deepfix supported tasks code generation code translation code repa polycoder cmu 2022 02 open https github com vhellendoorn code lms page with curl a systematic evaluation of large language models of code https arxiv org abs 2203 07814 black flag introduction model 5 polycoder cmu md yaml model architecture decoder only gpt family params 2 7b training data collected code 253 6gb training time languages 12 langs evaluation humaneval supported tasks code generation gpt neo eleutherai 2021 03 open https github com eleutherai gpt neo page with curl gpt neo large scale autoregressive language modeling with mesh tensorflow black flag introduction model 6 gpt neo md yaml model architecture decoder only gpt family params 1 3b 2 7b training data the pile text 730gb code 96gb 400b tokens trained training time languages multiple evaluation humaneval supported tasks code generation gpt neox eleutherai 2022 04 open https github com eleutherai gpt neox page with curl gpt neox 20b an open source autoregressive language model https arxiv org abs 2204 06745 black flag introduction model 7 gpt neox md yaml model architecture decoder only gpt family params 20b training data the pile text 730gb code 95gb 473b tokens trained training time languages multiple evaluation humaneval supported tasks code generation gpt j eleutherai 2021 06 open https github com kingoflolz mesh transformer jax link gpt j 6b 6b jax based transformer https arankomatsuzaki wordpress com 2021 06 04 gpt j black flag introduction model 8 gpt j md yaml model architecture decoder only gpt family params 6b training data the pile text 730gb code 96gb 473b tokens trained training time languages multiple evaluation humaneval supported tasks code generation incoder meta 2022 04 open https sites google com view incoder code models page with curl incoder a generative model for code infilling and synthesis https arxiv org abs 2204 05999 black flag introduction model 9 incoder meta md yaml model architecture decoder only params 1 3b 6 7b training data collected code 159gb stackoverflow 57gb 60b tokens trained training time languages 28 langs evaluation humaneval mbpp codexglue supported tasks infilling lines of code humaneval docstring generation codexglue return type prediction varible name predic codegen salesforce 2022 03 open https github com salesforce codegen star2 popular page with curl codegen an open large language model for code with multi turn program synthesis https arxiv org abs 2203 13474 black flag introduction model 10 11 codegen md yaml model architecture decoder only params 6 1b 16 1b training data the pile bigquery bigpython code 150b tokens text 355b tokens training time languages codegen multi 6 langs codegen mono python evaluation humaneval mtpb supported tasks single turn code generation multi turn code generation codegeex thu 2022 09 open https github com thudm codegeex page with curl codegeex a pre trained model for code generation with multilingual evaluations on humaneval x https arxiv org abs 2303 17568 black flag introduction model 12 codegeex thu md yaml model architecture decoder only gpt family params 13b training data the pile codeparrot collected code 158b tokens 850b tokens trained training time 1536 ascend 910 ai processors 32gb with mindspore v1 7 0 two months languages 23 langs evaluation humaneval x humaneval mbpp codexglue xlcost supported tasks multilingual code generation code translation aixcoder pku close link aixcoder https www aixcoder com black flag introduction model 14 aixcoder md yaml model architecture params 13b training data training time languages multiple evaluation supported tasks code generation code completion code search pangu coder huawei noah s ark lab 2022 07 close page with curl pangu coder program synthesis with function level language modeling https arxiv org abs 2207 11280 black flag introduction model 15 pangu coder md yaml model architecture pangu architecture decoder only params 2 6 b training data collected 147gb training time languages python evaluation humaneval mbpp supported tasks code generation ernie code baidu 2022 12 close warning don t think ernie code is a code llms page with curl ernie code beyond english centric cross lingual pretraining for programming languages https arxiv org abs 2212 06742 black flag introduction model 16 ernie code md yaml model architecture encoder decoder t5 base params 560m training data codesearchnet nl corpus training time languages multiple evaluation mconala bugs2fix microsoft docs supported tasks multilingual code to text text to code code to code and text to text generation improve code llms alphacode competition level code generation with alphacode https arxiv org abs 2203 07814 codet codet code generation with generated tests https arxiv org abs 2207 10397 dataset the pile link repo https github com eleutherai the pile black flag introduction dataset the pile md bigquery bigquery link repo https cloud google com bigquery public data hl zh cn black flag introduction dataset bigquery md codeparrot link repo https huggingface co datasets codeparrot github code black flag introduction dataset codeparrot md the stack link repo https huggingface co datasets bigcode the stack black flag introduction dataset the stack md polycoder link repo https github com vhellendoorn code lms black flag introduction dataset polycoder md codesearchnet link repo https github com github codesearchnet black flag introduction dataset codesearchnet md projectcodenet link repo https github com ibm project codenet black flag introduction dataset projectcodenet md bigpython closed lock with key close black flag introduction dataset bigpython md collected spider crawled data black flag introduction dataset collected md benchmark humaneval link repo https github com openai human eval page with curl paper https arxiv org abs 2107 03374 black flag introduction benchmark humaneval md apps link repo https github com hendrycks apps page with curl paper https arxiv org pdf 2105 09938 pdf black flag introduction benchmark apps md mbpp link repo https github com google research google research tree master mbpp page with curl paper https arxiv org abs 2108 07732 black flag introduction benchmark mbpp md codexglue link repo https github com microsoft codexglue page with curl paper https arxiv org abs 2102 04664 black flag introduction benchmark codexglue md codecontest link repo https github com deepmind code contests page with curl paper https arxiv org abs 2203 07814 black flag introduction benchmark codecontest md transcoder link repo https github com facebookresearch transcoder page with curl paper https arxiv org pdf 2006 03511 pdf black flag introduction benchmark transcoder md deepfix link repo https bitbucket org iiscseal deepfix src master page with curl paper https ojs aaai org index php aaai article view 10742 black flag introduction benchmark deepfix md mtpb link repo https github com salesforce codegen tree main benchmark page with curl paper https arxiv org abs 2203 13474 black flag introduction benchmark mtpb md humaneval x link repo https github com thudm codegeex blob main codegeex benchmark readme zh md page with curl paper https arxiv org abs 2303 17568 black flag introduction benchmark humaneval x md xlcost link repo https github com reddy lab code research xlcost page with curl paper https arxiv org pdf 2206 08474 pdf black flag introduction benchmark xlcost md ds 1000 link repo https ds1000 code gen github io page with curl paper https arxiv org abs 2211 11501 black flag introduction benchmark ds 1000 md odex link repo https github com zorazrw odex page with curl paper https arxiv org pdf 2212 10481 pdf black flag introduction benchmark odex md future future development other future md | ai |
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Mental-LLM | mental llm todo organize code for prompt designing model fine tuning and inference x provide hyperparameters for the experiments x release model weights to huggingface hub upon acceptance table of content 1 overview overview 2 inference settings inference settings 3 datasets datasets 4 models models 5 results results 6 fine tuning hyperparamters fine tuning hyperparamters overview this is the repository for the paper mental llm leveraging large language models for mental health prediction via online text data https arxiv org abs 2307 14385 an updated version of this paper is under review in this work we present the first comprehensive evaluation of multiple llms including alpaca alpaca lora flan t5 gpt 3 5 and gpt 4 on various mental health prediction tasks via online text data we conduct a broad range of experiments covering zero shot prompting few shot prompting and instruction fine tuning more importantly our experiments show that instruction finetuning can significantly boost the performance of llms for all tasks simultaneously our best finetuned models mental alpaca and mental flan t5 outperform the best prompt design of gpt 3 5 by 10 9 and the best of gpt 4 by 4 8 on balanced accuracy and perform on par with the state of the art task specific language model we have publically released our fine tuned model weights on huggingface hub the use of both model weights is limited to research purposes only mental alpaca https huggingface co neu hai mental alpaca mental flan t5 https huggingface co neu hai mental flan t5 xxl you may find sample codes to load both models from the repositories above directly details about the prompts training process and evaluations can be found in our paper https arxiv org abs 2307 14385 the gpu memory requirement to load mental alpaca and mental flan t5 is 27gb and 44gb respectively and will require additional gpu memory for inference contributions inference settings zero shot prompting prompt textdata prompt part1 s prompt part2 q outputconstraint few shot prompting prompt sample prompt label prompt where m denotes of demonstrations prompt designs p align middle img src https github com neuhai mental llm blob main prompt designs png alt prompt designs title prompt designs width 800 p datasets dreaddit this dataset collected posts from reddit which contains ten subreddits in the five domains abuse social anxiety ptsd and financial we used this dataset for a post level binary stress prediction task 1 depseverity this dataset leveraged the same posts collected in dreaddit but with a different focus on depression we employed this dataset for two post level tasks binary depression prediction i e whether a post showed at least mild depression task 2 and four level depression prediction task 3 sdcnl this dataset also collected posts from reddit including r suicidewatch and r depression we employed this dataset for the post level binary suicide ideation prediction task 4 cssrs suicide this dataset contains posts from 15 mental health related subreddits we leveraged this dataset for two user level tasks binary suicide risk prediction i e whether a user showed at least suicide indicator task 5 and five level suicide risk prediction task 6 models alpaca 7b alpaca lora flan t5 xxl gpt 3 5 gpt 4 results p align middle img src https github com neuhai mental llm blob main results png alt results title results width 800 p p align middle img src https github com neuhai mental llm blob main enhanced results png alt enhanced results title enhanced results width 800 p more results can be found in the paper fine tuning hyperparamters mentalroberta baseline for each dataset we convert the original text labels into ascending numbers starting from 0 num train epochs 3 per device train batch size 4 gradient accumulation steps 16 per device eval batch size 8 learning rate 5e 5 warmup steps 500 weight decay 0 01 logging steps 8 fp16 false mental alpaca we mostly leverage the same fine tuning hyperparameters provided here https github com tatsu lab stanford alpaca with minor changes to accomdate our computing resources mental flan t5 max len 1024 target max len 128 per device train batch size 2 per device eval batch size 1 gradient accumulation steps 2 learning rate 1e 4 num train epochs 2 citation article xu2023mentalllm title mental llm leveraging large language models for mental health prediction via online text data author xuhai xu and bingshen yao and yuanzhe dong and saadia gabriel and hong yu and james hendler and marzyeh ghassemi and anind k dey and dakuo wang year 2023 eprint 2307 14385 archiveprefix arxiv primaryclass cs hc | ai |
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DockerFiles | dockerfiles some dockerfiles to install opencv ffmpeg and deeplearning framework i also use them as a reminder to complicated framework installation requirements most of these docker use the nvidia 1 runtime for docker 2 1 https github com nvidia nvidia docker 2 https www docker com to use nvidia runtime as default runtime add this in etc docker daemon json javascript default runtime nvidia runtimes nvidia path usr bin nvidia container runtime runtimeargs building images with docker api bash sudo docker build runtime nvidia t image name f dockerfile name or if nvidia is the default runtime bash sudo docker build t image name f dockerfile name with make i made a makefile to automate the build process bash make image name the image is the concatenation of the library name and the tag ex opencv and gpu is create by make opencv gpu note1 make accept nocache on argument to force the rebuild of all images br note2 as image depends from each other make will automatically build images dependency ex if you build opencv cpu image pythonlib cpu and ffmpeg cpu will be create as well by the command make opencv cpu list of all available images library tag description all br cpu br gpu br alpine all images br all cpu images br all gpu images br all alpine images pythonlib cpu br gpu my standard configuration with all library i use ffmpeg cpu br gpu with ffmpeg https ffmpeg org compiled from source with x264 h265 and nvencode on gpu images opencv cpu br gpu with opencv http opencv org compiled from source redis cpu br gpu with redis https redis io compiled from source mxnet cpu br gpu with mxnet http mxnet io compiled from source and mkl https software intel com en us mkl br with mxnet http mxnet io compiled from source and gpu support nnvm cpu br gpu opencl br cpu opencl with nnvm https github com dmlc nnvm tvm https github com dmlc tvm compiled from source br with nnvm https github com dmlc nnvm tvm https github com dmlc tvm and opencl https fr wikipedia org wiki opencl compiled from source and gpu support br with nnvm https github com dmlc nnvm tvm https github com dmlc tvm and opencl https fr wikipedia org wiki opencl compiled from source tensorflow cpu br gpu with tensoflow https www tensorflow org pytorch cpu br gpu with pytorch http pytorch org and pytorch vision https github com pytorch vision numba cpu br gpu with numba http numba pydata org jupyter cpu br gpu a jupyter http jupyter org server with pass as password vcpkg cpu with vcpkg https github com microsoft vcpkg installed alpine redis br pythonlib br node br dotnet br vcpkg br rust some usefull image based on alpine https alpinelinux org to have small memory footprint rust lib proc macro don t work on musl if you need it use the following image https github com emk rust musl builder to cross compile create container with cpu only docker run it name container name p 0 0 0 0 6000 7000 p 0 0 0 0 8000 9000 v shared path on host shared path in container image name latest bin bash unfold bash sudo docker run it it option allow interaction with the container name container name name of the created container p 0 0 0 0 6000 7000 port redirection redirect host port 6000 to container port 7000 p 0 0 0 0 8000 9000 port redirection redirect host port 8000 to container port 9000 v shared path on host shared path in container configure a shared directory between host and container image name latest image name to use for container creation bin bash command to execute note don t specify ports if you don t use them as you can t have containers listenning the same host port cf alias to create jupyter server for random port assignation create container with gpu support nv gpu 0 docker run it runtime nvidia name container name p 0 0 0 0 6000 7000 p 0 0 0 0 8000 9000 v shared path on host shared path in container image name latest bin bash unfold bash nv gpu 0 gpu id give by nvidia smi 0 1 or 0 1 for gpu0 gpu2 or both sudo docker run it it option allow interaction with the container runtime nvidia allow docker to run with nvidia runtime to support gpu name container name name of the created container p 0 0 0 0 6000 7000 port redirection redirect host port 6000 to container port 7000 p 0 0 0 0 8000 9000 port redirection redirect host port 8000 to container port 9000 v shared path on host shared path in container configure a shared directory between host and container image name latest image name to use for container creation bin bash command to execute note don t specify ports if you don t use them as you can t have containers listenning the same host port cf alias to create jupyter server for random port assignation in a range advance use open new terminal in running container bash docker exec it container name bin bash alias to create jupyter server cpu version bash alias jupserver docker run it d p 0 0 0 0 5000 5010 8888 v pwd home dev host jupyter cpu latest note if host port is a range of ports and container port a single one docker will choose a random free port in the specified range gpu version bash alias jupserver docker run it d p 0 0 0 0 5000 5010 8888 v pwd home dev host jupyter gpu latest note if host port is a range of ports and container port a single one docker will choose a random free port in the specified range alias to create a isolated devbox bash alias devbox docker run it rm v pwd home dev host mxnet latest fixed version sometime update in library can break compatibility with other module in certain dockerfile there is fixed version to keep older version other tools can be download with last version so i need to change manually version at each update most of the time i try to keep last version for all tools in some case last version fix bug or the reason i fixed the version without i know it tools version docker image description cuda 11 1 all gpu images cudnn 8 all gpu images opencv 4 5 4 opencv ffmpeg 4 3 2 ffmpeg api break should be fix in opencv soon pytorch 1 9 1 pytorch script the generate py script available in script folder allow three things generate py amalgamation generate dockerfile for each end image without dependency it generate a dockerfile with all depency expanded generate py makefile update makefile with all images found in folders useful after amalgamation generation generate py concatenate allow to concatenate dockerfile for example if you want to add jupyter support on pytorch images generate py concatenate filename super pytorch dockerfile jupyter base pytorch cpu jupyter cpu will generate a new dockerfile that depends of pytorch cpu and add jupyter cpu installation this image will be available after makefile update via make pytorch jupyter example bash generate py concatenate filename super jupyter dockerfile mxnet base mxnet cpu mkl jupyter cpu generate py concatenate filename super jupyter dockerfile opencv base opencv cpu jupyter cpu generate py concatenate filename super jupyter dockerfile pythonlib base pythonlib cpu jupyter cpu tester | dockerfile docker nvidia-docker deep-learning opencv | ai |
llmfarm_core.swift | llmfarm core swift llmfarm core swift library to work with large language models llm it allows you to load different llms with certain parameters br based on ggml https github com ggerganov ggml and llama cpp https github com ggerganov llama cpp by georgi gerganov https github com ggerganov also used sources from rwkv cpp https github com saharnooby rwkv cpp by saharnooby https github com saharnooby mia https github com byroneverson mia by byroneverson https github com byroneverson features x macos 13 x ios 16 x various inferences x various sampling methods x metal dont work https github com ggerganov llama cpp issues 2407 issuecomment 1699544808 on intel mac x model setting templates x lora adapters support read more https github com guinmoon llmfarm blob main lora md lora train support lora export as model support other tokenizers support restore context state now only chat history inferences x llama https arxiv org abs 2302 13971 img src dist metal 96x96 2x png width 16px heigth 16px x gptneox https huggingface co docs transformers model doc gpt neox x replit https huggingface co replit replit code v1 3b x gpt2 https huggingface co docs transformers model doc gpt2 cerebras https arxiv org abs 2304 03208 img src dist metal 96x96 2x png width 16px heigth 16px x starcoder santacoder https huggingface co bigcode santacoder img src dist metal 96x96 2x png width 16px heigth 16px x rwkv https huggingface co docs transformers model doc rwkv 20b tokenizer x falcon https github com cmp nct ggllm cpp img src dist metal 96x96 2x png width 16px heigth 16px x mpt https huggingface co guinmoon mpt 7b storywriter gguf img src dist metal 96x96 2x png width 16px heigth 16px x bloom https huggingface co bigscience bloom 1b7 img src dist metal 96x96 2x png width 16px heigth 16px sampling methods x temperature temp tok k top p x tail free sampling tfs https www trentonbricken com tail free sampling x locally typical sampling https arxiv org abs 2202 00666 x mirostat https arxiv org abs 2007 14966 x greedy x grammar dont work for gptneox gpt 2 rwkv classifier free guidance installation git clone https github com guinmoon llmfarm core swift swift package manager add llmfarm core to your project using xcode file add packages or by adding it to your project s package swift file swift dependencies package url https github com guinmoon llmfarm core swift build and debug to debug llmfarm core package do not forget to comment unsafeflags ofast in package swift don t forget that the debug version is slower than the release version to build with qkk 64 support uncomment unsafeflags dggml qkk 64 in package swift usage more examples in the examples directory examples example generate output from a prompt swift import foundation import llmfarm core let maxoutputlength 256 var total output 0 func maincallback str string time double bool print str terminator total output str count if total output maxoutputlength return true return false var input text state the meaning of life let ai ai modelpath llama 2 7b q4 k m gguf chatname chat var params modelcontextparams default params use metal true try ai loadmodel modelinference llama gguf contextparams params ai model promptformat llama let output try ai model predict input text maincallback projects based on this library llm farm https github com guinmoon llmfarm app to run llama and other large language models locally on ios and macos | ai gpt-2 gptneox llama rwkv starcoder swift falcon llama2 | ai |
hibernatetools-reverse-engineering | sample project for using hibernatetools https docs jboss org tools latest en hibernatetools html ant html with gradle ant this is a small demo project for reverse engineering a database schema into java objects using hibernatetools with gradle and ant testing with docker create mysql database with docker docker compose up run reverse engineering task using gradle wrapper gradlew hibernate database connection can be configured in hibernate db properties https github com merve40 hibernatetools reverse engineering blob master src main resources hibernate db properties | hibernate-tools hibernate gradle ant reverse-engineering | server |
cde-radar | cde radar cloud and data engineering radar | cloud |
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data-gradients | datagradients div align center p align center a href https github com deci ai super gradients prerequisites img src https img shields io badge python 3 7 20 7c 203 8 20 7c 203 9 blue a a href https pypi org project data gradients img src https img shields io pypi v data gradients a a href https github com deci ai data gradients releases img src https img shields io github v release deci ai data gradients a a href https github com deci ai data gradients blob master license md img src https img shields io badge license apache 202 0 blue a p div datagradients is an open source python based library designed for computer vision dataset analysis extract valuable insights from your datasets and get comprehensive reports effortlessly detect common data issues corrupted data labeling errors underlying biases and more extract insights for better model design informed decisions based on data characteristics object size and location distributions high frequency details reduce guesswork for hyperparameters define the correct nms and filtering parameters identify class distribution issues calibrate metrics for your unique dataset capabilities non exhaustive list of supported features general image metrics explore key attributes like resolution color distribution and average brightness class overview get a snapshot of class distributions most frequent classes and unlabelled images positional heatmaps visualize where objects tend to appear within your images bounding box mask details delve into dimensions area coverages and resolutions of objects class frequencies deep dive dive deeper into class distributions understanding anomalies and rare classes detailed object counts examine the granularity of components per image identifying patterns and outliers and many more documentation feature description md deep dive into data profiling puzzled by some dataset challenges while using datagradients we ve got you covered enrich your understanding with this free online course https deci ai course profiling computer vision datasets overview utm campaign dg pdf report utm medium dg repo utm content dg report to course dive into dataset profiling confront its complexities and harness the full potential of datagradients div align center a href https github com deci ai data gradients raw master documentation assets report image stats png img src https github com deci ai data gradients raw master documentation assets report image stats png width 250px a a href https github com deci ai data gradients raw master documentation assets report mask sample png img src https github com deci ai data gradients raw master documentation assets report mask sample png width 250px a a href https github com deci ai data gradients raw master documentation assets report classes distribution png img src https github com deci ai data gradients raw master documentation assets report classes distribution png width 250px a p em example of pages from the report em div div align center a href https github com deci ai data gradients raw master documentation assets segmentationboundingboxarea png img src https github com deci ai data gradients raw master documentation assets segmentationboundingboxarea png width 375px a a href https github com deci ai data gradients raw master documentation assets segmentationboundingboxresolution png img src https github com deci ai data gradients raw master documentation assets segmentationboundingboxresolution png width 375px a br a href https github com deci ai data gradients raw master documentation assets segmentationclassfrequency png img src https github com deci ai data gradients raw master documentation assets segmentationclassfrequency png width 375px a a href https github com deci ai data gradients raw master documentation assets segmentationcomponentsperimagecount png img src https github com deci ai data gradients raw master documentation assets segmentationcomponentsperimagecount png width 375px a p em example of specific features em div check out the pre computed dataset analysis pre computed dataset analysis for a deeper dive into reports table of contents installation installation quick start quick start prerequisites prerequisites dataset analysis dataset analysis report report feature configuration feature configuration dataset extractors dataset extractors pre computed dataset analysis pre computed dataset analysis license license installation you can install datagradients directly from the github repository pip install data gradients quick start prerequisites dataset includes a train set and a validation or a test set dataset iterable a method to iterate over your dataset providing images and labels can be any of the following pytorch dataloader pytorch dataset generator that yields image label pairs any other iterable you use for model training validation one of class names a list of the unique categories present in your dataset number of classes indicate how many unique classes are in your dataset ensure this number is greater than the highest class index e g if your highest class index is 9 the number of classes should be at least 10 please ensure all the points above are checked before you proceed with datagradients example python from torchvision datasets import cocodetection train data cocodetection val data cocodetection class names person bicycle car motorcycle good to know datagradients will try to find out how the dataset returns images and labels if something cannot be automatically determined you will be asked to provide some extra information through a text input in some extreme cases the process will crash and invite you to implement a custom dataset extractor dataset extractors heads up datagradients provides a few out of the box dataset dataloader documentation datasets md implementation you can find more dataset implementations in pytorch https pytorch org vision stable datasets html or supergradients https docs deci ai super gradients src super gradients training datasets dataset setup instructions html dataset analysis you are now ready to go chose the relevant analyzer for your task and run it over your datasets image classification python from data gradients managers classification manager import classificationanalysismanager train data your dataset iterable torch dataset dataloader val data your dataset iterable torch dataset dataloader class names class 1 class 2 analyzer classificationanalysismanager report title testing data gradients classification train data train data val data val data class names class names analyzer run object detection python from data gradients managers detection manager import detectionanalysismanager train data your dataset iterable torch dataset dataloader val data your dataset iterable torch dataset dataloader class names class 1 class 2 analyzer detectionanalysismanager report title testing data gradients object detection train data train data val data val data class names class names analyzer run semantic segmentation python from data gradients managers segmentation manager import segmentationanalysismanager train data your dataset iterable torch dataset dataloader val data your dataset iterable torch dataset dataloader class names class 1 class 2 analyzer segmentationanalysismanager report title testing data gradients segmentation train data train data val data val data class names class names analyzer run example you can test the segmentation analysis tool in the following example https github com deci ai data gradients blob master examples segmentation example py which does not require you to download any additional data report once the analysis is done the path to your pdf report will be printed you can find here examples of pre computed dataset analysis reports pre computed dataset analysis feature configuration the feature configuration allows you to run the analysis on a subset of features or adjust the parameters of existing features if you are interested in customizing this configuration you can check out the documentation documentation feature configuration md on that topic dataset extractors ensuring comprehensive dataset compatibility datagradients is adept at automatic dataset inference however certain specificities such as nested annotations structures or unique annotation format may necessitate a tailored approach to address this datagradients offers extractors tailored for enhancing compatibility with diverse dataset formats for an in depth understanding and implementation details we encourage a thorough review of the dataset extractors documentation documentation dataset extractors md pre computed dataset analysis table style border 0 tr td img src https github com deci ai data gradients raw master documentation assets colab png width 80pt td td a href https colab research google com drive 1dswgek0kf n61p6ixrdfgbqkhetou8se usp sharing example notebook on colab a td tr table details summary h3 detection h3 summary common 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pdf vehicles q0x2v https dgreports deci ai detection rf100 vehicles q0x2v report pdf wall damage https dgreports deci ai detection rf100 wall damage report pdf washroom rf1fa https dgreports deci ai detection rf100 washroom rf1fa report pdf weed crop aerial https dgreports deci ai detection rf100 weed crop aerial report pdf wine labels https dgreports deci ai detection rf100 wine labels report pdf x ray rheumatology https dgreports deci ai detection rf100 x ray rheumatology report pdf details details summary h3 segmentation h3 summary coco https dgreports deci ai segmentation coco report pdf cityspace https dgreports deci ai segmentation cityspace report pdf voc https dgreports deci ai segmentation voc report pdf details community table style border 0 tr td img src https github com deci ai data gradients raw master documentation assets discord png width 60pt td td a href https discord gg 2v6cegmren click here to join our discord community a td tr table license this project is released under the apache 2 0 license https dgreports deci ai detection license md | ai |
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openai-quickstart | openai quickstart p align center br english a href readme cn md a p this project is designed as a one stop learning resource for anyone interested in large language models and their application in generative ai genai scenarios by providing theoretical foundations development basics and hands on examples this project offers comprehensive guidance on these cutting edge topics features theory and development basics of large language models deep dive into the inner workings of large language models like bert and gpt family including their architecture training methods applications and more openai based development tutorial and best practices for openai s embedding gpt 3 5 gpt 4 as well as practical development such as function calling and chatgpt plugin genai application development with langchain hands on examples and tutorials using langchain to develop genai applications demonstrating the practical application of large language models autogpt rag chatbot machine translation llm tech stack and ecosystem data privacy and legal compliance gpu technology selection guide hugging face quick start chatglm usage getting started you can start by cloning this repository to your local machine shell git clone https github com djangopeng openai quickstart git then navigate to the directory and follow the individual module instructions to get started schedule lesson description course materials events lesson 1 fundamentals of large models evolution of theory and technology br an initial exploration of large models origin and development br warm up decoding attention mechanism br milestone of transformation the rise of transformer br taking different paths the choices of gpt and bert suggested readings br attention mechanism neural machine translation by jointly learning to align and translate https arxiv org abs 1409 0473 br an attentive survey of attention models https arxiv org abs 1904 02874 br transformer attention is all you need https arxiv org abs 1706 03762 br bert pre training of deep bidirectional transformers for language understanding https arxiv org abs 1810 04805 homework docs homework 01 md lesson 2 the gpt model family from start to present br from gpt 1 to gpt 3 5 the evolution br chatgpt where it wins br gpt 4 a new beginning br prompt learning br chain of thought cot the pioneering work br self consistency multi path reasoning br tree of thoughts tot continuing the story suggested readings br gpt 1 improving language understanding by generative pre training https s3 us west 2 amazonaws com openai assets research covers language unsupervised language understanding paper pdf br gpt 2 language models are unsupervised multitask learners https cdn openai com better language models language models are unsupervised multitask learners pdf br gpt 3 language models are few shot learners https arxiv org abs 2005 14165 br br br additional readings br gpt 4 architecture infrastructure training dataset costs vision moe https www semianalysis com p gpt 4 architecture infrastructure br gpts are gpts an early look at the labor market impact potential of large language models https arxiv org abs 2303 10130 br sparks of artificial general intelligence early experiments with gpt 4 https arxiv org abs 2303 12712 br br homework docs homework 02 md lesson 3 fundamentals of large model development openai embedding br the eve of general artificial intelligence br three worlds and turing test br computer data representation br representation learning and embedding br embeddings dev 101 br course project github openai quickstart br getting started with openai embeddings suggested readings br representation learning a review and new perspectives https arxiv org abs 1206 5538 br word2vec efficient estimation of word representations in vector space https arxiv org abs 1301 3781 br glove global vectors for word representation https nlp stanford edu pubs glove pdf br br additional readings br br improving distributional similarity with lessons learned from word embeddings http www aclweb org anthology q15 1016 br evaluation methods for unsupervised word embeddings http www aclweb org anthology d15 1036 homework docs homework 03 md br code br embedding openai api embedding ipynb lesson 4 openai large model development and application practice br openai large model development guide br overview of openai language models br openai gpt 4 gpt 3 5 gpt 3 moderation br openai token billing and calculation br openai api introduction and practice br openai models api br openai completions api br openai chat completions api br completions vs chat completions br openai large model application practice br initial exploration of text completion br initial exploration of chatbots suggested readings br br openai models https platform openai com docs models br openai completions api https platform openai com docs guides gpt completions api br openai chat completions api https platform openai com docs guides gpt chat completions api code br models openai api models ipynb br tiktoken openai api count tokens with tiktoken ipynb lesson 5 best practices for applying large ai models br how to improve the efficiency and quality of gpt model use br best practices for applying large ai models br text creation and generation br article abstract and summary br novel generation and content supervision br executing complex tasks step by step br evaluating the quality of model output br constructing training annotation data br code debugging assistant br new features function calling introduction and practical application suggested readings br gpt best practices https platform openai com docs guides gpt best practices br function calling https platform openai com docs guides gpt function calling code br function calling openai api function call ipynb lesson 6 practical openai translator br market demand analysis for openai translator br product definition and feature planning for openai translator br technical solutions and architecture design for openai translator br openai module design br openai translator practical application br code br pdfplumber openai translator jupyter pdfplumber ipynb lesson 7 chatgpt plugin development guide br introduction to chatgpt plugin br sample project todo management plugin br deployment and testing of practical examples br chatgpt developer mode br practical weather forecast plugin development br weather forecast plugin design and definition br weather forecast function service br integration with third party weather query platform br practical weather forecast plugin code br todo list openai plugins todo list br weather forecast openai plugins weather forecast lesson 8 llm application development framework langchain part 1 br langchain 101 br what is langchain br why langchain is needed br typical use cases of langchain br basic concepts and modular design of langchain br introduction and practice of langchain core modules br standardized large scale model abstraction mode i o br template input prompts br language model models br standardized output output parsers code br model io langchain jupyter model io lesson 9 llm application development framework langchain part 2 br best practices for llm chains br getting started with your first chain llm chain br sequential chain a chained call with sequential arrangement br transform chain a chain for processing long texts br router chain a chain for implementing conditional judgments br memory endowing applications with memory capabilities br the relationship between memory system and chain br basememory and basechatmessagememory memory base classes br memory system for service chatting br conversationbuffermemory br conversationbufferwindowmemory br conversationsummarybuffermemory code br chain langchain jupyter chain br memory langchain jupyter memory lesson 10 llm application development framework langchain part 3 br native data processing flow of the framework data connection br document loaders br document transformers br text embedding models br vector stores br retrievers br agent systems for building complex applications agents br theoretical foundation of agents react br llm reasoning capabilities cot tot br llm operation capabilities webgpt saycan br langchain agents module design and principle analysis br module agent tools toolkits br runtime agentexecutor planandexecute autogpt br getting started with your first agent google search llm br practice with react serpapi llm math code br data connection langchain jupyter data connection br agents langchain jupyter agents lesson 11 practical langchain version openai translator v2 0 br in depth understanding of chat model and chat prompt template br review langchain chat model usage and process br design translation prompt templates using chat prompt template br implement bilingual translation using chat model br simplify chat prompt construction using llmchain br optimize openai translator architecture design based on langchain br hand over large model management to langchain framework br focus on application specific prompt design br implement translation interface using translationchain br more concise and unified configuration management br development of openai translator v2 0 feature br design and implementation of graphical interface based on gradio br design and implementation of web server based on flask code br openai translator langchain openai translator lesson 12 practical langchain version auto gpt br auto gpt project positioning and value interpretation br introduction to auto gpt open source project br auto gpt positioning an independent gpt 4 experiment br auto gpt value an attempt at agi based on agent br langchain version auto gpt technical solution and architecture design br in depth understanding of langchain agents br langchain experimental module br auto gpt autonomous agent design br auto gpt prompt design br auto gpt memory design br in depth understanding of langchain vectorstore br auto gpt outputparser design br practical langchain version auto gpt code br autogpt langchain jupyter autogpt lesson 13 sales consultant business process and value analysis br technical solution and architecture design of sales consultant br use gpt 4 to generate sales pitches br store sales q a pitches in faiss vector database br retrieve sales pitches data using retrievalqa br implement chatbot graphical interface using gradio br practical langchain version sales consultant code br sales chatbot langchain sales chatbot lesson 14 era of large models open source and data protocols br what is open source br widely used open source and data protocols br is llama pseudo open source br open source protocol of chatglm2 6b br interpretability of large language models br enhancing transparency in model decision making br related research of stanford alpaca br regulatory compliance of large language model applications br mainland china registration of generative ai services br international data privacy and protection taking gdpr as an example br key points of corporate compliance lesson 15 github in the era of large models hugging face br what is hugging face br hugging face transformers library br hugging face open community models datasets spaces docs br comparative analysis of large models br open llm leaderboard large model ladder br graphics card selection guide br gpu vs graphics card br gpu core vs amd cu br cuda core vs tensor core br evolution of nvidia architectures br graphics card performance ladder lesson 16 tsinghua glm large model family br strongest base model glm 130b br enhanced dialogue capability chatglm br open source chat model chatglm2 6b br internet search capability webglm br initial exploration of multimodal visualglm 6b br code generation model codegeex2 br application development of chatglm2 6b large model br private deployment of chatglm2 6b br hf transformers tokenizer br hf transformers model br synchronize the model to hugging face br empower chatglm2 6b graphical interface using gradio br fine tuning of chatglm2 6b model br practical assignment implement graphical interface of openai translator based on chatglm2 6b contributing contributions are what make the open source community such an amazing place to learn inspire and create any contributions you make are greatly appreciated if you have any suggestions or feature requests please open an issue first to discuss what you would like to change a href https github com repo reviews repo reviews github io blob main create md target blank img alt github src https img shields io badge review me 100000 style flat logo github logocolor white labelcolor 888888 color 555555 a license this project is licensed under the terms of the apache 2 0 license see the license license file for details contact django peng pjt73651 email com project link https github com djangopeng openai quickstart | ai |
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AWS-workshop-textract | aws workshop textract about the workshop a simple document processing registration system project for my cloud engineering honours module demonstrating the power of amazon textract an aws service for extracting text and data from images or documents p align right a href top back to top a p technologies utalized in the project frontend tech br br img src https img shields io badge angular web f44336 style for the badge logo angular logocolor white br br backend tech br br img src https img shields io badge amazon aws ff9900 style for the badge logo amazonaws logocolor white br amazon textract https aws amazon com textract amazon s3 bucket https aws amazon com s3 aws sdk https aws amazon com tools p align right a href top back to top a p running the app basic instructions on how to download and run the app prerequisites npm sh npm install npm latest g installation clone the repo sh git clone https github com m harty21 aws workshop textract git install npm packages sh npm install or npm i install angular sh npm install g angular cli install aws sdk sh npm install aws sdk install textract client sh npm install aws sdk client textract p align right a href top back to top a p | aws aws-textract amazon-web-services | cloud |
mxDev | mxdev visual design tools for javascript web project such as vue or react nbsp nbsp nbsp nbsp nbsp nbsp ui web api mxdev nbsp nbsp nbsp nbsp nbsp nbsp mxdev vue react 1 vscode vscode 2 br nbsp nbsp nbsp nbsp nbsp nbsp 3 br nbsp nbsp nbsp nbsp nbsp nbsp 4 5 html vue br 1 https user images githubusercontent com 14857216 111057134 f93bd500 84bf 11eb 9588 bbea4c80c68e jpg br 1 br nbsp nbsp nbsp nbsp nbsp nbsp html vue br nbsp nbsp nbsp nbsp nbsp nbsp 2 https user images githubusercontent com 14857216 111057138 fb059880 84bf 11eb 8989 2bbfbba8ad69 jpg br nbsp nbsp nbsp nbsp nbsp nbsp html lt div gt element ui html slot chart 2 br nbsp nbsp nbsp nbsp nbsp nbsp 3 https user images githubusercontent com 14857216 111057141 fc36c580 84bf 11eb 9b48 cb1032b6d4a6 jpg br nbsp nbsp nbsp nbsp nbsp nbsp id id sequence dirty dirty br nbsp nbsp nbsp nbsp nbsp nbsp br nbsp nbsp nbsp nbsp nbsp nbsp number string boolean br nbsp nbsp nbsp nbsp nbsp nbsp 1 v for v if v model directive 2 3 br nbsp nbsp nbsp nbsp nbsp nbsp mxdev br nbsp nbsp nbsp nbsp nbsp nbsp target input br nbsp nbsp nbsp nbsp nbsp nbsp v model br nbsp nbsp nbsp nbsp nbsp nbsp el table column el table el divider click br 4 br nbsp nbsp nbsp nbsp nbsp nbsp br nbsp nbsp nbsp nbsp nbsp nbsp 4 https user images githubusercontent com 14857216 111057143 fe008900 84bf 11eb 9605 d0e7395f60bc jpg br nbsp nbsp nbsp nbsp nbsp nbsp br nbsp nbsp nbsp nbsp nbsp nbsp br nbsp nbsp nbsp nbsp nbsp nbsp code vue vscode editor source nbsp nbsp nbsp nbsp nbsp nbsp mxdev br 1 dragsource droptarget source target el col el row el col 2 br nbsp nbsp nbsp nbsp nbsp nbsp source target target target target 3 br 1 source target br 2 source target source corner target source target br nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp vscode extensions mxdev git br nbsp nbsp nbsp nbsp nbsp nbsp github https github com jonenine mxdev | front_end |
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Webservice-Backend | p align center img src https miro medium com max 800 1 xjpfwcxnaa3fsuhlvqgzva png alt lumen logo width 176 height 66 p h1 align center strong loak co portal backend strong h1 p style text align left this source code is made by lumen framework the features of this backend portal contain p ol li style text align left user management li li style text align left landing page management li li style text align left company profile management li li style text align left frequently asked question management li li style text align left product showcase management li li style text align left smart home management nbsp em coming soon em li li style text align left form management nbsp em coming soon em li li style text align left asset management em coming soon em em em li ol p strong full documentation is at the following link strong em coming soon em p hr p align center fikri rida pebriansyah 169 2020 p | server |
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TableCoT | tablecot the code and data used for large language models are few 1 shot table reasoners preliminary first you need to specify your openai api key please find it in your account in https openai com api export openai key your key for wikitablequestions python prompt py start 0 end 500 this will call chain of thoughts prompting to solve the 0 500 example in the test set of wikitableqa the output will be saved to output response s0 e500 json you can further call this following to extract the answers from the predictions cd outputs python postprocess answer py inputs response s0 e500 json finally call this following to compute the final em score python compute scores py inputs response s0 e500 json processed for tabfact python prompt py start 0 end 500 this will call chain of thoughts prompting to solve the 0 500 example in the test set of wikitableqa the output will be saved to output response s0 e500 json this will directly output the accuracy after it finishes | ai |
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backpack-android | backpack android backpack is a collection of design resources reusable components and guidelines for creating skyscanner s products ci status https github com skyscanner backpack android workflows main badge svg https github com skyscanner backpack android actions maven central https img shields io maven central v net skyscanner backpack backpack android https search maven org artifact net skyscanner backpack backpack android license https img shields io github license skyscanner backpack android svg https github com skyscanner backpack android platform https img shields io badge platform android green svg https github com skyscanner backpack android backpack for android supports two targets android view system and jetpack compose demo application the backpack demo application is a good way of referring to the variants available for a component and their correct usage the code is available under app directory the app can be downloaded from app center https install appcenter ms orgs backpack apps backpack android distribution groups everyone or by scanning the qr code below qr code qr png installation backpack is available through maven central thus before adding backpack to your project make sure maven central is in your repositories list add this to your root build gradle gradle repositories mavencentral add the following dependencies to your build gradle in your app module in the dependencies block gradle implementation net skyscanner backpack backpack android bpkversion for android view system implementation net skyscanner backpack backpack compose bpkversion for compose all backpack components must to be used within bpktheme scope android view system xml style name apptheme parent bpktheme customize your theme here style compose kotlin bpktheme bpktext hello from compose features android view system you can find the list of the available components as well as the code samples and the screenshots here https skyscanner design latest components text android html all design system tokens exist as public android resources here s the list of the token types and the samples of its usage border radii backpack src main res values backpack radii xml dimen bpkborderradiussm xml r dimen bpkborderradiussm java kotlin colours backpack src main res values backpack color xml color bpkskyblue xml r color bpkskyblue java kotlin semantic colours backpack src main res values backpack semantic color xml color bpktextprimary xml r color bpktextprimary java kotlin elevations backpack src main res values backpack elevation xml dimen bpkelevationsm xml r dimen bpkelevationsm java kotlin spacings backpack src main res values backpack dimensions spacing xml dimen bpkspacinglg xml r dimen bpkspacinglg java kotlin text styles backpack src main res values backpack text xml bpktextbasesize xml jetpack compose backpack for compose targets stable compose releases you can find the list of the available components as well as the code samples and the screenshots here https skyscanner design latest components text compose html the design system tokens are located in a net skyscanner backpack compose tokens package here s the list of the token types and the samples of its usage border radii backpack compose src main kotlin net skyscanner backpack compose tokens bpkborderradius kt bpkborderradius lg border sizes backpack compose src main kotlin net skyscanner backpack compose tokens bpkbordersize kt bpkbordersize sm colours backpack compose src main kotlin net skyscanner backpack compose tokens bpkcolor kt bpkcolor skyblue semantic colours backpack compose src main kotlin net skyscanner backpack compose tokens bpkcolors kt bpktheme colors textprimary elevations backpack compose src main kotlin net skyscanner backpack compose tokens bpkelevation kt bpkelevation sm spacings backpack compose src main kotlin net skyscanner backpack compose tokens bpkspacing kt bpkspacing sm text styles backpack compose src main kotlin net skyscanner backpack compose tokens bpktypography kt bpktheme typography heading4 contributing to backpack please see the contributing guide 0 for instructions on contributing to this project license backpack is available under the apache 2 0 license see the license file for more info 0 contributing md | android backpack component-library kotlin | os |
CSE438_Lab4_MovieSearchApp | fall 2018 cse 438 lab 4 movie search app it is a movie searching app which allows users to find information about movies data will be pulled from the movie database s tmdb api http www themoviedb org build environment xcode 9 4 swift 4 iphone 8 features users can search for movies and up to 20 movies are shown as a result users can select a movie to view more details users can add movies to and delete movies from the favorites users can use the search filter language option and adult search option users can see the trailer of the movies that are on the favorites design choices for uicollectionview cell image i used w154 size and for detailed view image i used w500 size when images are not possible to fetch it will be empty an additional class is used to set shared variables between uitabbar views once api call is done fetched images are cached trailers are shown using wkwebview references free tab bar images are from https icons8 com ios the movie data are from https www themoviedb org wrapper for sqlite from https github com ccgus fmdb demo the following demo shows the basic functionality of this app 4 1 gif the following demo shows how the detailed view of the movie is shown and how users can add movies to the favorites 4 2 gif the following demo shows how users can delete the movies from the favorites and how users can watch a trailer in the app 4 3 gif the following demo shows how the search result changes based on the search filter 4 4 gif | front_end |
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Web_Development_Bootcamp | complete web development bootcamp notes https docs google com document d 1 3 p9lf5 weat2zlvywbo9alvv8wt7u45iwxq9nifoa edit usp sharing main topics covered html css javascript bootstrap 4 dom dom manipulation jquery node js npm express ejs body parser request nodemon lodash mongoose mongoose encryption dotenv md5 bcrypt passport passport local passport local mongoose passport google path20 mongoose findorcreate express session express js api json authentication mailchimp api created rest api from scratch heroku newsletter site deployed to https arcane reaches 82981 herokuapp com todo list site deployed to https dry castle 22389 herokuapp com ejs databases sql mongodb mongoose mongodb atlas authentication security react components props babel jsx map filter reduce es6 arrow functions hooks js destructuring material ui tools used atom postman robo 3t visual studio code react keeper app w react components hooks states destrucuring spread operator material ui keeper keeper note pop up https user images githubusercontent com 19628705 70381921 d3607180 1907 11ea 94f1 48bb7702494e png https user images githubusercontent com 19628705 70381922 d65b6200 1907 11ea 82dc 8b30cd9cce21 png to do list w react components hooks states destructuring spread operator screen shot 2019 12 07 at 3 37 14 pm https user images githubusercontent com 19628705 70381914 a0b67900 1907 11ea 9ce6 e6ebbd9de604 png emojipedia w react components props screen shot 2019 12 03 at 7 02 49 pm https user images githubusercontent com 19628705 70109011 86c32080 15ff 11ea 91d1 bca52691f9c4 png authentication security auth2 0 w google screen shot 2019 10 11 at 11 38 17 pm https user images githubusercontent com 19628705 66696735 4be9df80 ec83 11e9 905f 4c1290ef716e png blog website ejs node js express js lodash screen shot 2019 07 10 at 10 46 33 pm https user images githubusercontent com 19628705 61025198 c2b1cc80 a364 11e9 8f07 8064781ee30d png to do list ejs node js express js img width 1425 alt screen shot 2019 06 30 at 9 03 08 pm src https user images githubusercontent com 19628705 60409991 dbf39580 9b7a 11e9 8b7c 42b7ec4659be png newsletter signup page node js express js mailchimp api heroku newsletter signup page mailchimp persistence https user images githubusercontent com 19628705 59819145 877b2b00 92db 11e9 9fd1 3c7a59e33659 png https user images githubusercontent com 19628705 59819146 877b2b00 92db 11e9 94a2 382ec1c9923a png simon game jquery javascript simongame https user images githubusercontent com 19628705 56182300 5a9e5500 5fc6 11e9 9014 a54a6e84fcdd gif drum kit advanced javascript dom manipulation img width 1438 alt screen shot 2019 04 13 at 11 31 30 pm src https user images githubusercontent com 19628705 56089199 7548c080 5e44 11e9 8beb 02396661f76b png dicee challenge intro javascript dom img width 1440 alt screen shot 2019 04 13 at 9 47 33 pm src https user images githubusercontent com 19628705 56088444 d1f0af00 5e35 11e9 9ddd 4ca799481d2a png tindog bootstrap 4 img width 1428 alt screen shot 2019 04 08 at 5 36 51 pm src https user images githubusercontent com 19628705 55765544 1d195500 5a25 11e9 982e b16fe09fe77b png img width 1424 alt screen shot 2019 04 08 at 5 37 02 pm src https user images githubusercontent com 19628705 55765550 21457280 5a25 11e9 91e4 0f604c7dbdc7 png img width 1426 alt screen shot 2019 04 08 at 5 37 10 pm src https user images githubusercontent com 19628705 55765553 22769f80 5a25 11e9 8bd2 423d7464ed8f png img width 1426 alt screen shot 2019 04 08 at 5 37 17 pm src https user images githubusercontent com 19628705 55765555 23a7cc80 5a25 11e9 9ac9 57df82c49770 png img width 1426 alt screen shot 2019 04 08 at 5 37 25 pm src https user images githubusercontent com 19628705 55765559 24d8f980 5a25 11e9 953a f1aa971b6a68 png img width 1426 alt screen shot 2019 04 08 at 5 37 31 pm src https user images githubusercontent com 19628705 55765562 260a2680 5a25 11e9 8d30 011a4ce50227 png front end backend img width 1268 alt screen shot 2019 03 25 at 3 35 26 pm src https user images githubusercontent com 19628705 55765442 95334b00 5a24 11e9 80f3 a514bf6ed30c png sql vs nosql screen shot 2019 07 13 at 10 35 52 pm https user images githubusercontent com 19628705 61179956 ca6eac80 a5c2 11e9 977a 567e33a9ea48 png screen shot 2019 07 13 at 10 19 42 pm https user images githubusercontent com 19628705 61179957 ca6eac80 a5c2 11e9 9e8b 9af28ab634ad png z index stacking order guide img width 997 alt screen shot 2019 04 08 at 5 35 19 pm src https user images githubusercontent com 19628705 55765462 b3994680 5a24 11e9 9c64 a96201d9b234 png web dev course resources https www appbrewery co p web development course resources useful chrome extensions for web development html tree generator https chrome google com webstore detail html tree generator dlbbmhhaadfnbbdnjalilhdakfmiffeg hl en us pesticide https chrome google com webstore detail pesticide for chrome bblbgcheenepgnnajgfpiicnbbdmmooh hl en us | front_end |
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blockchain-learning-path | blockchain learning path an opinionated learning path for getting into speed with blockchain specially ethereum this is a work in progress please open an issue or send a pull request to help improving it pre requisites besides a programming background this path assumes that the reader is at least a little comfortable with public key cryptography 1 watch public key cryptography https www youtube com watch v gsids lvrv4 est time 7 minutes 2 read what is public key cryptography https www globalsign com en ssl information center what is public key cryptography est time 4 minutes digital signatures 1 read cryptography digital signitures https www tutorialspoint com cryptography cryptography digital signatures htm est time 10 minutes 2 watch what are digital signatures and how do they work https www youtube com watch v jr4 rbb8a9q est time 3 minutes cryptographic hashing 1 watch what is hashing on the blockchain https www youtube com watch v igsb9zosx70 est time 5 minutes 2 read what is hashing in blockchain https learn bybit com blockchain what is hashing in blockchain est time 9 minutes blockchain 1 read blockchain explained https www investopedia com terms b blockchain asp est time 26 minutes 2 watch blockchain a visual demo https www youtube com watch v 160omzbly8 est time 18 minutes bitcoin 1 read how the bitcoin protocol actually works http www michaelnielsen org ddi how the bitcoin protocol actually works est time 45 minutes 2 watch this video https www youtube com watch v bbc nxj3ng4 lighter than the previous article but useful to solidify your knowledge est time 26 minutes ethereum theory 1 read how does ethereum work anyway https medium com preethikasireddy how does ethereum work anyway 22d1df506369 est time 38 minutes 2 read this article https blog zeppelin solutions the hitchhikers guide to smart contracts in ethereum 848f08001f05 on smart contracts development est time 15 minutes 3 read the truffle documentation https truffleframework com docs hardhat documentation https hardhat org getting started 4 read the web3 documentation https web3js readthedocs io en 1 0 ethers documentation https docs ethers io v5 5 book mastering ethereum https github com ethereumbook ethereumbook 6 set of learning resources from ethereum org https ethereum org en learn practice 1 learn ethereum development by making a zombie game https cryptozombies io est time 8 hs 2 read and make and example pet shop tutorial https www trufflesuite com tutorial 3 time locked wallets an introduction to ethereum smart contracts https www toptal com ethereum smart contract time locked wallet truffle tutorial 4 the ultimate ens and app tutorial https www toptal com ethereum ethereum name service dapp tutorial 5 ultimate introduction to ethereum app development https www youtube com playlist list plv1jdfutrxpfh85g ddyy2klsafab9biq est time 4 hs 6 ethernaut https ethernaut zeppelin solutions is a web3 solidity based wargame for those interested in learning ethereum courses 1 do this course ethereum and solidity the complete developer s guide https www udemy com ethereum and solidity the complete developers guide est time 24 hs 2 free tutorial learning solidity https github com willitscale learning solidity 3 introduction to smart contract development with solidity https www youtube com playlist list plv1jdfutrxpgvu8qhl9b78wynsjsynzsb est time 2 hs 4 freecodecamp course learn blockchain solidity and full stack web3 development with javascript https www youtube com watch v gymwxujrbjq 32 hours concepts 0 crypto vocabulary https medium com datadriveninvestor crypto vocabulary expanded 76131d26537b 1 blockchain oracles explained https cointelegraph com explained blockchain oracles explained est time 4 minutes 2 abi https github com ethereum wiki wiki ethereum contract abi est time 15 minutes 3 keccak256 https www slideshare net rajeevverma14 keccakpptx est time 15 minutes 4 random numbers https ethereum stackexchange com questions 191 how can i securely generate a random number in my smart contract est time 5 minutes 5 velocity of tokens https medium com newtown partners velocity of tokens 26b313303b77 est time 9 minutes 6 gas https ethgas io est time 5 minutes 7 weth https weth io 8 decentralized finance defi intro to defi https ethereum org en defi introduction to defi and its main ideas awesome decentralized finance https github com ong awesome decentralized finance defi prime https defiprime com curated directory of defi projects 9 smart contracts https www investopedia com terms s smart contracts asp under the hood 1 inside an ethereum transaction https medium com codetractio inside an ethereum transaction fa94ffca912f 2 diving into the ethereum vm https blog qtum org diving into the ethereum vm 6e8d5d2f3c30 best practices consensys best practices https consensys github io smart contract best practices this document provides a baseline knowledge of security considerations for intermediate solidity programmers it is maintained by consensys diligence and the broader ethereum community solidity patterns https github com fravoll solidity patterns a compilation of patterns and best practices libraries dapp bin https github com ethereum dapp bin ethereum repo providing implementations for many common data structures and utilities in solidity serpent and lll solidity collections https github com ethereum wiki wiki solidity collections collections of code snippets and utility libraries openzeppelin https openzeppelin org framework to build secure smart contracts examples solidity by example http solidity readthedocs io en latest solidity by example html contract examples from the official docs ethereum vs bitcoin some key differences between bitcoin and ethereum https www investopedia com articles investing 031416 bitcoin vs ethereum driven different purposes asp features and differences between bitcoin and ethereum substrate initiate a forkless runtime upgrade https docs substrate io tutorials v3 forkless upgrades schedule an upgrade forkless runtime upgrade useful for initial setups and parachains ci cd pipelines smart contract standards the ethereum request for comment repository ercs https eips ethereum org erc ethereum improvement proposals tokens erc 20 https eips ethereum org eips eip 20 token contract for fungible assets erc 721 https github com ethereum eips issues 721 token standard for non fungible assets erc 1155 https eips ethereum org eips eip 1155 multi token standard that aims to take the best from previous standards to create a fungibility agnostic and gas efficient token contract erc 918 https eips ethereum org eips eip 918 mineable token standard others erc 165 https eips ethereum org eips eip 165 creates a standard method to publish and detect what interfaces a smart contract implements erc 725 https eips ethereum org eips eip 725 a standard interface for a simple proxy account erc 173 https eips ethereum org eips eip 173 a standard interface for ownership of contracts toolbox list of tools curated by protofire team to better apply best practices to the protocol and dapps development projects general eth cli https github com protofire eth cli cli tools repl https github com raineorshine solidity repl solidity repl remix https remix ethereum org online realtime compiler and runtime audit smartcheck https tool smartdec net online tool for checking smart contracts for vulnerabilities and bad practices utility solhint https github com protofire solhint solidity linter that provides security style guide and best practice rules for smart contract validation solium https github com duaraghav8 solium linter to identify and fix style security issues in solidity smart contracts sol tester https github com androlo sol tester utilities for building linking and testing contracts using go ethereum and the simulated chain solidity coverage https github com sc forks solidity coverage code coverage tool typechain https github com ethereum ts typechain typescript bindings for ethereum smart contracts miscellaneous newsletters week in ethereum news https www weekinethereumnews com ethereum news and links layer 1 layer 2 client releases stuff for developers interviews podcasts videos talks etc reddit r ethereum https www reddit com r ethereum reddit about next generation platform for decentralised applications reddit r ethdev https www reddit com r ethdev reddit about ethereum related dev talk contracts dapps wallets clients infrastructure tooling uis patterns and others ethereum research http ethresear ch civilized discussion furthering ethereum research talks understanding blockchain function https www youtube com watch v rplnsvtzvnu say hello to the decentralized economy est time 15 minutes videos defi from finematics https www youtube com c finematics videos educational videos on defi decentralized finance | blockchain |
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lwesp | lightweight esp at parser lwesp is lightweight esp at commands parser library to communicate with esp8266 or esp32 wi fi modules using at commands module is written in c99 and is system platform agnostic its main targets are embedded system devices like arm cortex m avr pic and others but can easily work under windows linux or mac environments too espressif module runs official at commands esp at https github com espressif esp at software and communicates with host device via uart or spi communication protocol follow documentation for more information on implementation and details h3 read first a href https docs majerle eu projects lwesp documentation a h3 features supports latest esp32 esp32 c2 esp32 c3 esp32 c6 esp8266 at software from espressif system platform independent and very easy to port development of library under win32 platform available examples for arm cortex m win32 or posix mostly linux platforms written in c language c99 allows different configurations to optimize user requirements supports implementation with operating systems with advanced inter thread communications uses 2 tasks for data handling from user and device includes several applications built on top of library netconn sequential api for client and server http server with dynamic files file system supported mqtt client embeds other at features such as wps management custom dns setup hostname for dhcp ping feature user friendly mit license contribute fresh contributions are always welcome simple instructions to proceed 1 fork github repository 2 follow c style coding rules https github com majerle c code style already used in the project 3 create a pull request to develop branch with new features or bug fixes alternatively you may 1 report a bug 2 ask for a feature request | esp8266 esp32 at commands espressif rtos parser embedded-systems embedded | os |
dev-mobile-crud | projeto este o projeto da disciplina de desenvolvimento mobile com react native tecnologias esse projeto foi desenvolvido com as seguintes tecnologias javascript https www javascript com react native https reactnative dev licen a esse projeto est sob a licen a mit veja o arquivo license https github com rafaelnpf dev mobile crud blob main license para mais detalhes feito por tiago barbosa https github com tiagocbarbosa rafael nunes https github com rafaelnpf brenda soares https github com brendasferreira jacqueline orge https github com jacquelineorge | front_end |
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deep-learning-course | course details course on deep learning and it s applications in computer vision natural language processing week01 introductory lecture https drive google com file d 1hpqt2pkof7mipmrthgc ca rkyfdqmfy view usp sharing about the course and the basics of machine learning http www machinelearning ru wiki images f fc voron ml intro slides pdf week02 started tutorial on basics of numpy week03 lecture on sgd http www machinelearning ru wiki images 5 53 voron ml lin sg pdf week04 started tutortial on optimizers week05 lecture on backprop http www machinelearning ru wiki images e e1 voron ml ann slides pdf week06 started numpy net tutorial https github com broutonlab deep learning course tree 2022 fall tutorial numpy net week07 lecture on basics of deep learning in computer vision https github com broutonlab deep learning course blob 2022 fall tutorial cnns convnets pdf week08 deep learning in nlp word embeddings word2vec week09 rnns gru lstms week10 seminar knowledge test week11 lecture on transfer learning https disk yandex ru i eycrxqhx3nh2dg and attention https drive google com file d 1m0fywe9rmywxsn2 htmn8hcaaldoticy view usp share link week12 practice ner huggingface https github com broutonlab deep learning course tree 2022 fall tutorial huggingface extra materials used in this course practical dl https github com yandexdataschool practical dl repository cs231n convolutional neural networks for visual recognition http cs231n stanford edu syllabus html recommended literature the elements of statistical learning stanford university https web stanford edu hastie elemstatlearn printings eslii print10 pdf by trevor hastie robert tibshirani jerome friedman machine learning yearning https www mlyearning org by andrew ng articles review of linear methods https habr com ru company ods blog 323890 1 lineynaya regressiya by ods community | deeplearning computer-vision nlp huggingface pytorch pytorch-lightning | ai |
EthVote-Blockchain-Voting-System | ethvote ethereum based voting application proposal masters project containing dissertation associated code a demo of the voting application is available at ethvote online https ethvote online abstract an electronic voting protocol provides end to end verifiability if the voter can verify that their vote was correctly counted and any party can verify the results of the election there have been several proposals outlining potential systems however these have all been built on top of protocols primarily designed as transaction ledgers in this paper i propose a voting solution built on the ethereum protocol that uses the properties of smart contracts to enforce strict rules surrounding the ballots of an election these ballots are both independently and universally verifiable and maintain all of the desirable properties of the blockchain such as immutability all of this is achieved without sacrificing voter privacy or ballot integrity the resulting system shows clear potential for blockchain technology to become a central part of applications wishing to provide transparency and security in public scenarios images system design paper dissertation design blockchain high level overview png raw true system design voting page paper dissertation design external voter registration register new user png raw true voting page results page paper dissertation design vote ballot png raw true results page transaction in the blockchain paper dissertation design vote ballot transaction png raw true transaction in the blockchain | blockchain |
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LLMxBugs | large language models are pretty good zero shot video game bug detectors div website http img shields io badge website 4b44ce svg https asgaardlab github io llmxbugs arxiv https img shields io badge arxiv 2210 02506 b31b1b svg https arxiv org abs 2210 02506 hugging face dataset https img shields io badge f0 9f a4 97 20hugging 20face dataset red https huggingface co datasets taesiri gamebugdescription div abstract video game testing requires game specific knowledge as well as common sense reasoning about the events in the game while ai driven agents can satisfy the first requirement it is not yet possible to meet the second requirement automatically therefore video game testing often still relies on manual testing and human testers are required to play the game thoroughly to detect bugs as a result it is challenging to fully automate game testing in this study we explore the possibility of leveraging the zero shot capabilities of large language models for video game bug detection by formulating the bug detection problem as a question answering task we show that large language models can identify which event is buggy in a sequence of textual descriptions of events from a game to this end we introduce the gamebugdescriptions benchmark dataset which consists of 167 buggy gameplay videos and a total of 334 question answer pairs across 8 games we extensively evaluate the performance of six models across the opt and instructgpt large language model families on our benchmark dataset our results show promising results for employing language models to detect video game bugs with the proper prompting technique we could achieve an accuracy of 70 66 and on some video games up to 78 94 results summary summary of the results for the bug detection task code https github com asgaardlab llmxbugs blob main overview ipynb opt 66b opt 66b opt 175b opt 175b text ada 001 text ada 001 text babbage 001 text babbage 001 text curie 001 text curie 001 text davinci 002 text davinci 002 trigger descr1 descr2 descr1 descr2 descr1 descr2 descr1 descr2 descr1 descr2 descr1 descr2 1 15 57 23 35 14 97 32 93 31 14 22 16 49 1 29 94 43 11 27 54 70 66 59 88 2 15 57 31 14 15 57 32 93 34 13 19 16 49 1 31 14 41 32 29 94 62 87 58 08 3 48 50 31 74 13 77 31 14 16 17 6 59 49 7 31 74 41 32 31 14 52 10 58 68 4 44 31 31 14 16 17 31 74 7 78 2 99 47 9 30 54 44 91 32 34 52 69 55 69 5 26 95 37 13 13 17 31 14 27 54 19 16 47 9 32 93 36 53 31 74 50 90 50 90 6 28 14 29 94 19 16 31 74 20 96 8 98 49 1 31 14 43 11 29 34 45 51 50 30 7 22 16 36 53 13 17 31 14 23 35 17 96 49 1 31 74 39 52 32 93 43 11 50 30 | ai |
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RTOS | real time operating systems rtos hits https hits seeyoufarm com api count incr badge svg url https 3a 2f 2fgithub com 2fahcrtos 2fhit counter count bg 23041cef title bg 23000003 icon icon color 23e7e7e7 title hits edge flat false https hits seeyoufarm com this repository combines theoretical and technical expertise to facilitate the development of multitasking and real time embedded systems based on arm architecture specifically the st https www st com content st com en html stm32 models f767zi https www st com en microcontrollers microprocessors stm32f767zi html and f413zht6 https www st com en microcontrollers microprocessors stm32f413zh html are utilized for this purpose the toolchain employed for generating template code includes stm32cube https www st com content st com en products ecosystems stm32 open development environment stm32cube html and stm32cubeide https www st com en development tools stm32cubeide html in order to establish communication between the workstation and the development node st we rely on segger j link https www segger com downloads jlink and st link v2 https www st com en development tools stsw link009 html serial communication additionally hercules https www hw group com software hercules setup utility and or mobaxterm https mobaxterm mobatek net are utilized to transmit text output to the host machine via serial communication uart usart in a preemptive execution context various challenges such as concurrency shared resource access interrupt handling task synchronization and task communication need to be addressed this repository provides comprehensive examples that cover many of these scenarios for multitasking applications we use freertos https www freertos org and interrupt driven solutions note the examples in the architecture folder i e f767zit6 contain contain small projects whose purpose is educational many of these examples have been adapted from jim cooling s material on real time operating systems and richard barry s book on freertos additionally the repository includes a projects folder that showcases proof of concept projects submitted by collaborators from the site we extend our sincere gratitude to all of them for their time and contributions to this repository each project in this repository is accompanied by a detailed readme md or readme ipyn file these files provide valuable insights into various design aspects of the application including its performance characteristics and other functional or non functional aspects by referring to these readme files users can gain a deeper understanding of the project s design and implementation enabling them to make informed decisions and leverage the application s features effectively | embedded-systems operating-system freertos real-time-operating-systems | os |
ES_example | embedded system design example this repo contains an example of embedded system that i have designed i chose to present you a small project done during the real time embedded systems course http edu epfl ch coursebook fr real time embedded systems cs 476 the idea of this tp was to implement and profile different synchronization technics for a multi processor design with two nios 2 on a cyclone v fpga it was a three weeks project by a group of two i found this project useful for my application because even if it was on a hardware design with two nios 2 soft processors the synchronisation technics between a multicores arm processor or just a multithreads code running on a single arm through an rtos are the same lab multiprocessor br pre report lab multiprocessor hdl de0 nano soc top level vhd top level hardware entity prog counter vhd custom parallele port design quartus pin assignment de0 nano soc tcl pin assignement for the board tp qpf quartus project file mp qsys qsys entity software hardware counter c code of the project classified by synchronization type nios0 c code for the first nios nios1 c code for the second nios hardware mailbox hardware mutex parallel port test c pre | os |
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SQL-Employee-Database | sql employee database a mystery in two parts overview your first major task is a research project on employees of the corporation from the 1980s and 1990s all that remain of the database of employees from that period are six csv files in this you will design the tables to hold data in the csvs import the csvs into a sql database and answer questions about the data in other words you will perform data engineering data analysis img src https github com dsb011 sql employee database blob master images sql png br br data modeling inspected the csvs and sketch out an erd of the tables used the tool quickdatabasediagrams https www quickdatabasediagrams com to create erd diagram data engineering used the information to create a table schema for each of the six csv files also specified data types primary keys foreign keys and other constraints imported each csv file into the corresponding sql table in the same order data analysis performed the following listed the following details of each employee employee number last name first name sex and salary listed first name last name and hire date for employees who were hired in 1986 listed the manager of each department with the following information department number department name the manager s employee number last name first name listed the department of each employee with the following information employee number last name first name and department name listed first name last name and sex for employees whose first name is hercules and last names begin with b listed all employees in the sales department including their employee number last name first name and department name listed all employees in the sales and development departments including their employee number last name first name and department name in descending order listed the frequency count of employee last names i e how many employees share each last name bonus as you examine the data you are overcome with a creeping suspicion that the dataset is fake you surmise that your boss handed you spurious data in order to test the data engineering skills of a new employee to confirm your hunch you decide to take the following steps to generate a visualization of the data with which you will confront your boss imported the sql database into pandas consulted sqlalchemy documentation https docs sqlalchemy org en 14 core engines html postgresql for reference created a histogram to visualize the most common salary ranges for employees created a bar chart of average salary by title img src https github com dsb011 sql employee database blob master employeesql common 20salary 20ranges 20for 20employees png br br img src https github com dsb011 sql employee database blob master employeesql average salary title png br br tech environment used postgres erd jupyter notebook pandas | sql postgresql data-modeling data-engineering erdiagram erd | server |
wee | wee https www weepower com assets images logo svg https www weepower com wee is a front end framework for logically building complex responsive web projects npm version https img shields io npm v wee framework svg style flat https www npmjs com package wee framework david https david dm org weepower wee svg https david dm org features mobile first css framework with configurable reset and mixin library central configuration for style normalization feature toggling to minimize build size structured breakpoints to organize responsive logic print styling to generate print optimized pages javascript toolset to build scalable organized client logic foundation of utilities helpers and controller structure chainable dom traversal and manipulation with familiar api routing library to flexibly associate endpoints to actions event handling to bind actions to elements data loading for ajax and json interaction html5 history and pjax navigation to create dynamic experiences data management that connects to localstorage and sessionstorage message mediation between modules and components resource loading for javascript css and images breakpoint watching for efficient media query callbacks javascript configured build process to compile optimize and minify your project built in server for local static development live reloading of assets and markup ghost mode to mirror actions across multiple browsers sourcemap output to line match unminified javascript validation of javascript against eslint rules get started install the wee cli https github com weepower wee cli by running npm install g wee cli then create a new wee project download the latest release https github com weepower wee archive master zip clone the repository using git clone git github com weepower wee git run npm install from the project root to install the build dependencies followed by wee to launch it node js 6 is recommended for the build process https www weepower com build setup compatibility wee officially supports all major browsers including ie11 and safari 9 bugs have a bug or a feature request open a new issue https github com weepower wee issues automated testing generously provided by browserstack https www browserstack com versioning wee adheres to semantic versioning http semver org in the form of major minor patch regardless of version we recommend thoroughly reviewing the release notes https github com weepower wee releases before updating community keep track of development and news by following weecss https twitter com weecss on twitter license copy 2017 lewis communications https www lewiscommunications com licensed under the apache license version 2 0 https github com weepower wee blob master license | front_end |
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mobile-boilerplate | deprecation note mobile boilerplate is no longer maintained please use html5 boilerplate https html5boilerplate com as a decent starting point for your project mobile boilerplate http html5boilerplate com mobile mobile boilerplate is a professional front end template that helps you build fast and robust mobile web applications spend more time developing and less time reinventing the wheel source https github com h5bp mobile boilerplate https github com h5bp mobile boilerplate homepage http html5boilerplate com mobile http html5boilerplate com mobile twitter h5bp http twitter com h5bp quick start clone the git repo git clone https github com h5bp mobile boilerplate git or download it https github com h5bp mobile boilerplate zipball master features mobile browser optimizations css normalizations and common bug fixes the latest jquery a custom modernizr build for feature detection and a polyfill for css media queries home page icon for android ios nokia firefox cross browser viewport optimization for android ios mobile ie nokia and blackberry open web app support for firefox for android and firefox os better font rendering in mobile ie iphone web app meta instant button click event textarea autogrow plugin hide url bar method prevent form zoom onfocus method mobile site redirection user agent detection an optimized google analytics snippet apache server caching compression and other configuration defaults for grade a performance cross domain ajax delete key friendly easy to strip out parts you don t need extensive inline and accompanying documentation documentation take a look at the documentation table of contents doc readme md this documentation is bundled with the project which makes it readily available for offline reading and provides a useful starting point for any documentation you want to write about your project contributing anyone and everyone is welcome to contribute contributing md | front_end |
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nlw-esports-mobile | nlw esports mobile | front_end |
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interface-v2 | quickswap new interface an open source interface for quickswap a protocol for decentralized exchange on polygon enabling users to add and remove their liquidity positions on quickswap protocol swap tokens on quickswap protocol participate in single and dual mining programmes running on quickswap protocol participate in dragon s lair running on quickswap protocol participate in dragon s syrup running on quickswap protocol useful links website quickswap exchange https quickswap exchange beta beta quickswap exchange https beta quickswap exchange info info quickswap exchange https info quickswap exchange twitter quickswapdex https twitter com quickswapdex reddit r quickswap https www reddit com r quickswap discord quickswap https discord gg ktgdbtnu accessing the quickswap interface to access the quickswap interface use an ipfs gateway link from the latest release https github com quickswap interface v2 releases latest or visit quickswap exchange https quickswap exchange the quickswap interface is hosted on ipfs in a decentralized manner quickswap exchange just holds a cname record to the cloudflare ipfs gateway you can use any https ipfs github io public gateway checker public or private ipfs gateway supporting origin isolation to access quickswap interface if for some reason the cloudflare gateway doesn t work for you just go to your favorite public ipfs gateway ipns quickswap exchange make sure the gateway supports origin isolation to avoid possible security issues you should be redirected to url that looks like https quickswap exchange your gateway license gnu gpl v3 0 license credits to all the ethereum and polygon community | front_end |
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blockchain | blockchain blockchain repo 1 | blockchain |
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pycon-nlp-in-10-lines | pycon uk 2016 nlp in 10 lines of code images displacy title png natural language processing in 10 lines of code at cytora http www cytora com we use nlp to extract and analyse plain text to build our structured information product this is the repo for our workshop at pycon uk http 2016 pyconuk org workshops natural language processing in 10 lines of code in this repository you will find the step by step tutorial from the workshop on some basic natural language processing tasks using spacy http spacy io a powerful and super fast nlp library getting started clone this repo from github and open the directory on a unix machine these actions will look like this git clone https github com cytora pycon nlp in 10 lines git cd pycon nlp in 10 lines we recommend you to install all the required dependencies in a virtual environment such as virtualenv https virtualenv pypa io en stable however this step could be skipped virtualenv p python3 venv source venv bin activate if you are using the miniconda release of python you can use conda virtual environments http conda pydata org docs using envs html so your virtual environment setup will be slightly different conda create name venv python 3 source activate venv to install all the required python dependencies needed in this tutorial you need to run this command in the cloned directory pip install r requirements txt to install the spacy model you need to run sputnik name spacy repository url http index spacy io install en 1 1 0 to run jupyter notebook run jupyter notebook the tutorial has three parts 00 spacy intro ipynb 00 spacy intro ipynb introduction to spacy 01 pride and predjudice ipynb 01 pride and predjudice ipynb real text analysis pride predjudice blogpost http www cytora com insights 2016 11 30 natural language processing in 10 lines of code part 1 02 rand dataset 02 rand dataset ipynb open task on rand dataset blogpost http www cytora com insights 2017 1 3 natural language processing in 10 lines of code part 2 | ai |
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Profitable-App-Profiles- | profitable app profiles this my first project in data engineering working to analyse existing apps in both ios and android apps and recommend the developers to develop an app which is most profitable based on review and number of installed users | os |
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trochili | trochili trochili is an open source rtos that optimized for the embedded iot devices it runs on low power microcontrollers such as cortex m | os |
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html_css_javascript | html css javascript vivid and practical examples without frameworks suitable for developers who are just getting started list name live demo notes contributor tabbar link https cirolee github io html css javascript tabbar readme https github com cirolee html css javascript blob main tabbar readme md cirolee https github com cirolee coupon link https cirolee github io html css javascript coupons readme https github com cirolee html css javascript blob main coupons readme md cirolee https github com cirolee sidemenu link https cirolee github io html css javascript sidemenu readme https github com cirolee html css javascript blob main sidemenu readme md cirolee https github com cirolee switch link https cirolee github io html css javascript switch cirolee https github com cirolee progress link https cirolee github io html css javascript progress cirolee https github com cirolee avatar link https cirolee github io html css javascript avatar readme https github com cirolee html css javascript blob main tabbar readme md cirolee https github com cirolee calendar link https cirolee github io html css javascript calendar readme https github com cirolee html css javascript blob main calendar readme md cirolee https github com cirolee notes link https cirolee github io html css javascript notes readme https github com cirolee html css javascript blob main notes readme md cirolee https github com cirolee canvasboard link https cirolee github io html css javascript drawing cirolee https github com cirolee loading link https cirolee github io html css javascript loading cirolee https github com cirolee shape link https cirolee github io html css javascript shape readme https github com cirolee html css javascript blob main shape readme md cirolee https github com cirolee toss icons link https cirolee github io html css javascript toss icons readme https github com cirolee html css javascript blob main toss icons readme md cirolee https github com cirolee clock link https cirolee github io html css javascript clock cirolee https github com cirolee randomcolor link https cirolee github io html css javascript randomcolor color html margretedeh https github com margretedeh numberkeyboard link https cirolee github io html css javascript numberkeyboard cirolee https github com cirolee streamer light button link https cirolee github io html css javascript streamerlight button cirolee https github com cirolee bilibili https space bilibili com 470243907 | front_end |
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Route88_HybridBusinessSystem | h1 align center route 88 bike cafe s hybrid management system h1 h5 align center route 88 s data managemnet pos system all in one integration specialized in python pyqt5 design h5 div align center markdown 10 a href https travis ci com codexlink route88 hybridsystem img src https badgen net travis codexlink route88 hybridsystem alt build status a a href https www codefactor io repository github codexlink route88 hybridsystem img src https www codefactor io repository github codexlink route88 hybridsystem badge alt codefactor a a href https www codacy com app codexlink route88 hybridsystem utm source github com amp utm medium referral amp utm content codexlink route88 hybridsystem amp utm campaign badge grade img src https api codacy com project badge grade 78fb2db215e1473e9bc4f4c0dfaa896f a a href https github com codexlink route88 hybridsystem img src https badgen net github status codexlink route88 hybridsystem alt repository status a a href https github com codexlink route88 hybridsystem img src https badgen net github open issues codexlink route88 hybridsystem alt current opened issues a a href https github com codexlink route88 hybridsystem img src https badgen net github closed issues codexlink route88 hybridsystem alt closed issues a a href https github com codexlink route88 hybridsystem img src https badgen net github last commit codexlink route88 hybridsystem alt repository last commit a a href https github com codexlink route88 hybridsystem img src https badgen net github assets dl codexlink route88 hybridsystem alt repository downloads a a href https github com codexlink route88 hybridsystem img src https badgen net github license codexlink route88 hybridsystem alt repository license a div welcome hello this is a repository that contains all assets for route 88 bike cafe pos system in a subject called database management system this was made to show proof of contributions for each members involved from this project introduction what is this table of contents this readme will be having table of contents due to possibly documenting a lot of components in this repository getting started these instructions will get you a copy of the project up and running on your local machine for development and testing purposes prerequisites here are the things that you need to install the software each software has labelled it s difficulty on how to use it ide recommended 1 visual studio code dependent ide for coding w o compiling easy w compiling dependencies 2 ide options any ide that involves that use of python library tools visual studio code dependencies 1 beautify optional for code beautification 2 code runner alternative compiler for visual studio code collaboration 1 vs live share if you need next level collaboration you will need this one requires aspiring members because it will be hard to do it 2 github desktop git gui and git bash primary collaboration tool used by current project leader 3 gitkraken git gui and git bash advanced secondary collaboration tool 4 gitlens optional git gui integrated to visual studio code gui deployment just run the your compiled version of this program and that was it no additional steps required user cannot change things on database built with visual studio code https code visualstudio com a scalable ide with multiple supported essential extension and components for easy development and integration visual studio code extension code runner https github com formulahendry vscode code runner a visual studio code extension used to build the program easily python https python org python is a programming language that lets you work more quickly and integrate your systems more effectively contributing this will be written soon versioning we use don t use any apis regarding software version but instead we usually do based on time and date in 24h format for example when build is done at 4 51 pm at 08 21 2018 result versioning is 1651 082118 beta beta is state of a program that is very unstable point we are planning to automatically do basic versioning with c language soon not so complex but far more basic authors here are the list of authors who is taking part of the project 1 janrey licas initial work project lead backend programmer codexlink https github com codexlink 1 charles ian mascarenas unknown for now incomplete data ci mascarenas https github com ci mascarenas 3 brenda hernandez unknown for now incomplete data imbrendzzz https github com imbrendzzz 4 jan patrick moreno unknown for now incomplete data jaypeemrn https github com jaypeemrn license this project is licensed under the gnu v3 license see the license md https github com codexlink route88 hybridsystem blob master license file for details | pos inventory-management management python3 collaboration database-management python pyqt5 pyqt5-desktop-application route88 mysql-database project-require | server |
Udagram-Image-Filtering-Microservice | image filter | cloud |
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employees-api | employees api a simple app to help my students understand backend development and cover it with automated tests technical stack python postgres flask quick start clone this repo to your local create and activate virtual env install dependencies pip install r requirements txt make sure that your db prepared with below structure table name employees column data type employee id serial name text organization text role text to make this code work in your local machine create env in root directory and add environment variables there as shown in below example connection string db your postgresql connection string jwt secret key your secret key app superuser your username app password your password run application using below command python app py | api flask postgres | server |
Udacity | udacity started the data analyst nano degree on setp 19th 2015 finished the program in feb 2016 projects list 1 p0 analyze chopstick length 2 p1 test a perceptual phenomenon 3 p2 analyzing the new york subway dataset 4 p3 wrangle openstreetmap data 5 p4 explore and summarize data 6 p5 identifying fraud from enron email 7 p6 make effective data visualization 8 p7 a b testing | front_end |
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ChatGSE | chatgse gene set interpretation and more assisted by large language models find the deployed app at https chat biocypher org we are currently heavily work in progress but we are commited to open source and very open to comments criticisms and contributions read the preprint here https arxiv org abs 2305 06488 this repository contains only the frontend code of our streamlit app the code base used for communication with the llms vector databases and other components of our project is developed at https github com biocypher biochatter check there if you have your own ui and are looking for a way to connect it to the world of llms get involved to stay up to date with the project please star the repository and watch the zulip community chat free to join at https biocypher zulipchat com chatgse related discussion happens in the chatgse stream we are very happy about contributions from the community large and small if you would like to contribute to the platform s development please refer to our contribution guidelines contributing md importantly you don t need to be an expert on any of the technical aspects of the project as long as you are interested and would like to help make this platform a great open source tool you re good imposter syndrome disclaimer we want your help no really there may be a little voice inside your head that is telling you that you re not ready that you aren t skilled enough to contribute we assure you that the little voice in your head is wrong most importantly there are many valuable ways to contribute besides writing code this disclaimer was adapted from the pooch https github com fatiando pooch project prompt engineering discussions you can discuss your favourite prompt setups and share the corresponding json files in the discussion here https github com biocypher chatgse discussions 11 you can go here https github com biocypher chatgse discussions 20 to find inspiration for things the model can do such as creating formatted markdown output to create mindmaps or other visualisations document summarisation in context learning you can use the document summarisation feature to upload documents and use similarity search to inject context into your prompts the document summarisation feature is currently only available on local builds of chatgse see below it requires a connection to a vector database currently only milvus https milvus io is supported we follow these instructions https milvus io docs install standalone docker md to mount a docker instance on your machine using the standard ports we provide a docker compose setup to mount the milvus containers and the chatgse container together git clone https github com biocypher chatgse git cd chatgse docker compose up d this command creates three containers for milvus and one for chatgse after a short startup time you can access the chatgse app at http localhost 8501 local deployment devcontainer to deploy develop the app locally we recommend using vs code with the included devcontainer setup this requires docker and the remote containers https marketplace visualstudio com items itemname ms vscode remote remote containers extension after cloning the repository open the folder in vs code and click the reopen in container button that appears in the bottom right corner or use the command palette to find the command this will build a docker image of the app and open it in vs code you can then run the app by adding a configuration similar to this one to your launch json name streamlit type python request launch program usr local bin streamlit console integratedterminal justmycode true cwd workspacefolder args run app py note that if you want to use the document summarisation feature or other connected services you will still need to start these separately for the vector db component of the docker compose yml file you can do it like so docker compose up d standalone once the other docker containers are running they should be discoverable from within the devcontainer if you add your own containers make sure that they use the same network as your devcontainer e g milvus docker using docker run the following commands to deploy a local browser app without the additional containers for the vector database git clone https github com biocypher chatgse git cd chatgse docker build t chatgse docker run p 8501 8501 chatgse note that the community key feature is not available locally so you need to provide your own api key either in the app or as an environment variable provide your api key instead of manually entering the key you can provide it to the docker run command as an environment variable with a text file e g local env that contains the keys openai api key sk you can run the following command docker run env file local env p 8501 8501 chatgse poetry local installation can be performed using poetry or other package managers that can work with a pyproject toml file git clone https github com biocypher chatgse git cd chatgse poetry install for apple silicon machines this must be followed by the following commands inside the activated environment using poetry shell pip uninstall grpcio mamba install grpcio alternatively conda this step is necessary due to incompatibilities in the standard arm grpcio package currently only conda forge provides a compatible version to avoid this issue you can work in a devcontainer see above | ai |
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hivemall | licensed to the apache software foundation asf under one or more contributor license agreements see the notice file distributed with this work for additional information regarding copyright ownership the asf licenses this file to you under the apache license version 2 0 the license you may not use this file except in compliance with the license you may obtain a copy of the license at http www apache org licenses license 2 0 unless required by applicable law or agreed to in writing software distributed under the license is distributed on an as is basis without warranties or conditions of any kind either express or implied see the license for the specific language governing permissions and limitations under the license important hivemall joins apache incubator http hivemall incubator apache org tada the development moved to the asf repository https github com apache incubator hivemall please move your star watch fork to it this repository became deprecated | ai |
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userguide | turi machine learning platform user guide our mission at turi is to build the most powerful and usable data science tools that enable you to go quickly from inspiration to production graphlab create https turi com products create is a python package that allows programmers to perform end to end large scale data analysis and data product development data ingestion and cleaning with sframes sframe is an efficient disk based tabular data structure that is not limited by ram this lets you scale your analysis and data processing to handle terabytes of data even on your laptop data exploration and visualization with graphlab canvas graphlab canvas is a browser based interactive gui that allows you to explore tabular data summary plots and statistics network analysis with sgraph sgraph is a disk based graph data structure that stores vertices and edges in sframes predictive model development with machine learning toolkits graphlab create includes several toolkits for quick prototyping with fast scalable algorithms production automation with data pipelines data pipelines allow you to assemble reusable code tasks into jobs and automatically run them on common execution environments e g amazon web services hadoop in this guide you will learn how to use graphlab create to munge and explore both structured and unstructured data use advanced machine learning methods to build predictive models and recommender systems put your code into production and use it for real world applications open source the source for this userguide is available on github https github com turi code userguide under the 3 clause bsd license license to build the userguide install npm and run the following npm install npm run gitbook dep npm run gitbook the generated html will be located at book index html | ai |
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Embedded-System-Design | embedded system design complete assignments of the embedded system design course master s in computer science and engineering university of verona | os |
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flask-webcast | python web development with flask this repository contains the source code that i demonstrated in my o reilly webcast python web development with flask http www oreilly com pub e 3040 requirements to install and run this application you need python 2 7 or 3 3 virtualenv not required if you are using python 3 4 git only to clone this repository installation the commands below install the application and its dependencies git clone https github com miguelgrinberg flask webcast git cd flask webcast virtualenv venv venv bin activate venv pip install r requirements txt note for python 3 4 users replace virtualenv with pyvenv note for microsoft windows users replace the virtual environment activation command above with venv scripts activate running this project is composed of five different applications located in sub directories named as follows 01 hello world 02 templates 03 forms 04 database 05 structure to run applications one through four you have to cd into the directory and run the hello py script in it for example venv cd 01 hello world venv python hello py for the fourth application you need to set up a mongo database before you can use the application the connection url to this database must be stored in a mongo uri environment variable for the live demonstration in the webcast a free cloud based database from http mongohq com was used this is a good alternative if you don t want to go through the effort of installing the database server on your computer the fifth application is started by running a script called manage py before you run the application you need to select which configuration to run which can be development or production depending on the selected configuration a second environment variable configures the mongo database to run the server in development mode you can run the following commands in a bash shell venv cd 05 structure venv flask config development mongo dev uri http your mongodb url here python manage py runserver if you are doing this on windows then the commands are as follows venv cd 05 structure venv set flask config development venv set mongo dev uri http your mongodb uri here venv python manage py runserver note that when running the application in production mode the mongo url is specified in the mongo uri environment variable different variables are used for each mode to allow all modes to be configured in the same computer once the server starts you can open http localhost 5000 in your web browser to see the application in action to stop the application use ctrl c see the webcast http www oreilly com pub e 3040 for a live demonstration unit tests the fifth version of the application can also run unit tests the command to run them is as follows venv mongo test uri http your mongodb test uri here python manage py test test app exists test basics basicstestcase ok test app is testing test basics basicstestcase ok test names test basics basicstestcase ok name stmts miss branch brmiss cover missing app 10 0 0 0 100 app hello 3 0 0 0 100 app hello routes 12 0 4 0 100 total 25 0 4 0 100 ran 3 tests in 9 338s ok if you are using windows then the equivalent commands are venv set mongo test uri http your mongodb test uri here venv python manage py test it is recommended that you use a different database for testing after the tests run you can see a coverage report this gives you an idea of how much of the application code the tests touch | front_end |
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Employee-SQL-database | employee sql database objective the objective of this project is to use sql to perform data modeling engineering and analysis of an employee database originally stored in 6 csv files the following steps were taken data modeling inspected the csv files and created an erd of the tables data engineering created a table schema for each csv file and imported each file into the corresponding sql table data analysis created the following tables employee summary table list of employees hired in 1986 manager summary table list of all employees in the sales and development departments frequency count of employee last names created the following bar graphs average salary by title most common employee salary ranges tools 1 sql 2 python sqlalchemy pandas matplotlib analysis and screenshots data modeling an erd is sketched based on csvs tables erd image erd image png data analysis jupyter notebook is used to grab the sql database and then plot it with matplotlib to produce the following graphs average salary by title graph1 average salary png salary range of employees graph2 salary range png in addition sql skills are practiced by answering the following queries 1 list the following details of each employee employee number last name first name gender and salary answer1 query images answer1 png 2 list employees who were hired in 1986 answer2 query images answer2 png 3 list the manager of each department with the following information department number department name the manager s employee number last name first name and start and end employment dates answer3 query images answer3 png 4 list the department of each employee with the following information employee number last name first name and department name answer4 query images answer4 png 5 list all employees whose first name is hercules and last names begin with b answer5 query images answer5 png 6 list all employees in the sales department including their employee number last name first name and department name answer6 query images answer6 png 7 list all employees in the sales and development departments including their employee number last name first name and department name answer7 query images answer7 png 8 in descending order list the frequency count of employee last names i e how many employees share each last name answer8 query images answer8 png | server |
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bewd_sf_10 | back end web development cohort 10 at the beginning of class pull the latest changes from this repo down to your bewd sf 10 directory in terminal the remotes git remote v to check to this repository should look like this origin https github com your github username bewd sf 10 fetch origin https github com your github username bewd sf 10 push upstream https github com ga students bewd sf 10 fetch upstream https github com ga students bewd sf 10 push the origin and upstream remote names are nicknames for your github repository urls so you can easily push and pull note see a ta if your remotes end with git and you re having trouble pulling lessons from your master branch git branch in bewd sf 10 directory pull from upstream with git pull upstream master you can ls to list the new files you ve pulled in office hours sunday monday tuesday wednesday thursday friday saturday kisha br 12 2pm nicole christine 5 30 6 30pm nicole christine br 5 30 6 30pm travis 6 8 office hours sign up sheet you can sign up for office hours here https docs google com spreadsheets d 1gb9rcmwyyv3l8d7c5t7jnnicuto5kmqm1ieujhu4fgo edit gid 5 please let us know when you re coming bonus resources note these are optional resources and not homework but are helpful and relevant if you wish to learn more peruse them at your leisure resource class topic code school try git https www codeschool com courses try git br git kitchen with chef ramsey http bloggytoons com posts 2013 10 10 git kitchen wchef ramsay git skip around these 3 5 minute videos on new boston https www thenewboston com videos php cat 50 core ruby interactive visual git workflow http onlywei github io explain git with d3 branch advanced git coding game challenge ruby warrior https github com ryanb ruby warrior core ruby | front_end |
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PewlettHackard-Employee-Database | pewletthackard employee database objective the objective of this project is to use sql to perform data modeling engineering and analysis of an employee database originally stored in 6 csv files the following steps were taken data modeling inspected the csv files and created an erd of the tables data engineering created a table schema for each csv file and imported each file into the corresponding sql table data analysis created the following tables employee summary table list of employees hired in 1986 manager summary table list of all employees in the sales and development departments frequency count of employee last names created the following bar graphs average salary by title most common employee salary ranges tools 1 sql 2 python sqlalchemy pandas matplotlib screenshots erd erd jpg images erd jpg employee summary table1 jpg images table1 employee summary jpg average salary by title graph1 images graph1 average salary png | server |
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iotkit-samples | iot kit samples samples illustrating application development on the iot kit platform usage these samples assume you have already installed or have access to the iotkit agent https github com enableiot iotkit agent which supports the following protocols udp tcp setup in order to use iotkit agent you have to create an account on iotkit dashboard iotkit dashboard https dashboard enableiot com once you verify the registered email address you will be able to add individual devices the rest of this document assumes you have already registered your devices in the cloud sensor registration in order to submit data to the iot kit cloud the individual sensors have to be registered first the sensors type must be included in the component catalog associated with your iotkit dashboard https dashboard enableiot com account obtain the sensors types by executing the command catalog check how to execute this command in the iotkit agent readme https github com enableiot iotkit agent blob master readme md 5 notes about admin commands regardless of the protocol used the iotkit agent expects the inbound sensor registration message to be in following simple format udp message format n sensor name t sensor type examples n temperature sensor t temperature v1 0 n humidity sensor t humidity v1 0 tcp message format size n sensor name t sensor type examples 53 n temperature sensor t temperature v1 0 47 n humidity sensor t humidity v1 0 where sensor name the sensor name temperature humidity weight force etc sensor type is the sensor type of data this source generates this should be one of the component type defined in your account catalog available in the iotkit dashboard https dashboard enableiot com size is the message length the registration needs to be performed only once for each new sensor usage of register command for testing purposes you can use the command iotkit admin register comp name catalogid the catalogid is obtained with the catalog command mentioned before it s not required that the iotkit agent be running to execute this command the command will start the iotkit agent register the component and stop it data submission once the sensor has been registered you can send your observations for that sensor to the cloud everything else will be provided by the agent before your message is relayed to the cloud regardless of the protocol used the iotkit agent expects the inbound message to be in following format udp message format n sensor name v value on on examples n temp sensor v 5 on 1401893417000 tcp message format size n sensor name v value on on examples 52 n temp sensor v 5 on 1401893417000 where sensor name is the sensor name which was previously registered value is the value of this observation on optional the observation timestamp usage of observation command you can also use the command iotkit admin observation comp name value just for testing purposes to submit data for a specific component as command register this will start the iotkit agent send the observation for the component and then stop the iotkit agent for more information about iotkit admin commands go to section notes about admin commands https github com enableiot iotkit agent 5 notes about admin commands of iotkit agent readme file protocol specific api many development frameworks have their own implementation of each one of these protocols the following command line examples should give you an idea how to access iotkit agent api tcp if assuring the message delivery to the iotkit agent is important you can use a simple tcp socket connection to send your data here is a command line example echo n 52 n temp sensor v 5 on 1401893417000 nc 127 0 0 1 7070 udp you use same way to test udp connection echo n n temp sensor v 5 on 1401893417000 nc u 127 0 0 1 41234 how to see our wiki pages https github com enableiot iotkit samples wiki for additional information faqs arduino data access etc how to for arduino https github com enableiot iotkit samples wiki how to for arduino feedback yes please use the issues section https github com enableiot iotkit samples issues to report bugs recommend enhancements or simply ask questions | server |
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torchmetrics | div align center img src docs source static images logo png width 400px machine learning metrics for distributed scalable pytorch applications p align center a href what is torchmetrics what is torchmetrics a a href implementing your own module metric implementing a metric a a href build in metrics built in metrics a a href https lightning ai docs torchmetrics stable docs a a href community community a a href license license a p pypi python version https img shields io pypi pyversions torchmetrics https pypi org project torchmetrics pypi status https badge fury io py torchmetrics svg https badge fury io py torchmetrics pypi downloads https img shields io pypi dm torchmetrics https pepy tech project torchmetrics conda https img shields io conda v conda forge torchmetrics label conda color success https anaconda org conda forge torchmetrics license https img shields io badge license apache 202 0 blue svg https github com lightning ai torchmetrics blob master license ci testing cpu https github com lightning ai torchmetrics actions workflows ci tests yml badge svg event push https github com lightning ai torchmetrics actions workflows ci tests yml build status https dev azure com lightning ai metrics apis build status 2ftm unittests branchname master https dev azure com lightning ai metrics build latest definitionid 54 branchname master codecov https codecov io gh lightning ai torchmetrics branch master graph badge svg token ner6lpi3hs https codecov io gh lightning ai torchmetrics pre commit ci status https results pre commit ci badge github lightning ai torchmetrics master svg https results pre commit ci latest github lightning ai torchmetrics master documentation status https readthedocs org projects torchmetrics badge version latest https torchmetrics readthedocs io en latest badge latest discord https img shields io discord 1077906959069626439 style plastic https discord gg vptpczkgna doi https zenodo org badge doi 10 5281 zenodo 5844769 svg https doi org 10 5281 zenodo 5844769 joss status https joss theoj org papers 561d9bb59b400158bc8204e2639dca43 status svg https joss theoj org papers 561d9bb59b400158bc8204e2639dca43 div installation simple installation from pypi bash pip install torchmetrics details summary other installations summary install using conda bash conda install c conda forge torchmetrics pip from source bash with git pip install git https github com lightning ai torchmetrics git release stable pip from archive bash pip install https github com lightning ai torchmetrics archive refs heads release stable zip extra dependencies for specialized metrics bash pip install torchmetrics audio pip install torchmetrics image pip install torchmetrics text pip install torchmetrics all install all of the above install latest developer version bash pip install https github com lightning ai torchmetrics archive master zip details what is torchmetrics torchmetrics is a collection of 100 pytorch metrics implementations and an easy to use api to create custom metrics it offers a standardized interface to increase reproducibility reduces boilerplate automatic accumulation over batches metrics optimized for distributed training automatic synchronization between multiple devices you can use torchmetrics with any pytorch model or with pytorch lightning https pytorch lightning readthedocs io en stable to enjoy additional features such as module metrics are automatically placed on the correct device native support for logging metrics in lightning to reduce even more boilerplate using torchmetrics module metrics the module based metrics https lightning ai docs torchmetrics stable references metric html contain internal metric states similar to the parameters of the pytorch module that automate accumulation and synchronization across devices automatic accumulation over multiple batches automatic synchronization between multiple devices metric arithmetic this can be run on cpu single gpu or multi gpus for the single gpu cpu case python import torch import our library import torchmetrics initialize metric metric torchmetrics classification accuracy task multiclass num classes 5 move the metric to device you want computations to take place device cuda if torch cuda is available else cpu metric to device n batches 10 for i in range n batches simulate a classification problem preds torch randn 10 5 softmax dim 1 to device target torch randint 5 10 to device metric on current batch acc metric preds target print f accuracy on batch i acc metric on all batches using custom accumulation acc metric compute print f accuracy on all data acc module metric usage remains the same when using multiple gpus or multiple nodes details summary example using ddp summary phmdoctest mark skip python import os import torch import torch distributed as dist import torch multiprocessing as mp from torch import nn from torch nn parallel import distributeddataparallel as ddp import torchmetrics def metric ddp rank world size os environ master addr localhost os environ master port 12355 create default process group dist init process group gloo rank rank world size world size initialize model metric torchmetrics classification accuracy task multiclass num classes 5 define a model and append your metric to it this allows metric states to be placed on correct accelerators when to device is called on the model model nn linear 10 10 model metric metric model model to rank initialize ddp model ddp model device ids rank n epochs 5 this shows iteration over multiple training epochs for n in range n epochs this will be replaced by a dataloader with a distributedsampler n batches 10 for i in range n batches simulate a classification problem preds torch randn 10 5 softmax dim 1 target torch randint 5 10 metric on current batch acc metric preds target if rank 0 print only for rank 0 print f accuracy on batch i acc metric on all batches and all accelerators using custom accumulation accuracy is same across both accelerators acc metric compute print f accuracy on all data acc accelerator rank rank resetting internal state such that metric ready for new data metric reset cleanup dist destroy process group if name main world size 2 number of gpus to parallelize over mp spawn metric ddp args world size nprocs world size join true details implementing your own module metric implementing your own metric is as easy as subclassing an torch nn module https pytorch org docs stable generated torch nn module html simply subclass torchmetrics metric and just implement the update and compute methods python import torch from torchmetrics import metric class myaccuracy metric def init self remember to call super super init call self add state for every internal state that is needed for the metrics computations dist reduce fx indicates the function that should be used to reduce state from multiple processes self add state correct default torch tensor 0 dist reduce fx sum self add state total default torch tensor 0 dist reduce fx sum def update self preds torch tensor target torch tensor none extract predicted class index for computing accuracy preds preds argmax dim 1 assert preds shape target shape update metric states self correct torch sum preds target self total target numel def compute self torch tensor compute final result return self correct float self total my metric myaccuracy preds torch randn 10 5 softmax dim 1 target torch randint 5 10 print my metric preds target functional metrics similar to torch nn https pytorch org docs stable nn html most metrics have both a module based https lightning ai docs torchmetrics stable references metric html and functional version the functional versions are simple python functions that as input take torch tensors https pytorch org docs stable tensors html and return the corresponding metric as a torch tensor https pytorch org docs stable tensors html python import torch import our library import torchmetrics simulate a classification problem preds torch randn 10 5 softmax dim 1 target torch randint 5 10 acc torchmetrics functional classification multiclass accuracy preds target num classes 5 covered domains and example metrics in total torchmetrics contains 100 metrics https lightning ai docs torchmetrics stable all metrics html which covers the following domains audio classification detection information retrieval image multimodal image text nominal regression text each domain may require some additional dependencies which can be installed with pip install torchmetrics audio pip install torchmetrics image etc additional features plotting visualization of metrics can be important to help understand what is going on with your machine learning algorithms torchmetrics have built in plotting support install dependencies with pip install torchmetrics visual for nearly all modular metrics through the plot method simply call the method to get a simple visualization of any metric python import torch from torchmetrics classification import multiclassaccuracy multiclassconfusionmatrix num classes 3 this will generate two distributions that comes more similar as iterations increase w torch randn num classes target lambda it torch multinomial it w softmax dim 1 100 replacement true preds lambda it torch multinomial it w softmax dim 1 100 replacement true acc multiclassaccuracy num classes num classes average micro acc per class multiclassaccuracy num classes num classes average none confmat multiclassconfusionmatrix num classes num classes plot single value for i in range 5 acc per class update preds i target i confmat update preds i target i fig1 ax1 acc per class plot fig2 ax2 confmat plot plot multiple values values for i in range 10 values append acc preds i target i fig3 ax3 acc plot values p align center img src docs source static images plot example png width 1000 p for examples of plotting different metrics try running this example file examples plotting py contribute the lightning torchmetrics team is hard at work adding even more metrics but we re looking for incredible contributors like you to submit new metrics and improve existing ones join our slack https www pytorchlightning ai community to get help with becoming a contributor community for help or questions join our huge community on slack https www pytorchlightning ai community citation we re excited to continue the strong legacy of open source software and have been inspired over the years by caffe theano keras pytorch torchbearer ignite sklearn and fast ai if you want to cite this framework feel free to use github s built in citation option to generate a bibtex or apa style citation based on this file https github com lightning ai torchmetrics blob master citation cff but only if you loved it license please observe the apache 2 0 license that is listed in this repository in addition the lightning framework is patent pending | python data-science machine-learning pytorch deep-learning metrics analyses | ai |
Custom-vision-service-iot-edge-raspberry-pi | languages json python products azure azure iot edge page type sample description this is a sample showing how to deploy a custom vision model to a raspberry pi 3 device running azure iot edge urlfragment custom vision azure iot custom vision azure iot edge on a raspberry pi 3 this is a sample showing how to deploy a custom vision model to a raspberry pi 3 device running azure iot edge custom vision is an image classifier that is trained in the cloud with your own images iot edge gives you the possibility to run this model next to your cameras where the video data is being generated you can thus add meaning to your video streams to detect road traffic conditions estimate wait lines find parking spots etc while keeping your video footage private lowering your bandwidth costs and even running offline this sample can also be deployed on an x64 machine aka your pc it has been ported to the newer iot edge ga bits check out this video https www youtube com watch v k5fqglo8us to see this demo in action and understand how it was built custom vision on raspberry pi video assets customvisiononrpidemo png https www youtube com watch v k5fqglo8us prerequisites hardware you can run this solution on either of the following hardware raspberry pi 3 set up azure iot edge on a raspberry pi 3 instructions to set up the hardware use raspbian 9 stretch or above https blog jongallant com 2017 11 raspberrypi setup instructions to install azure iot edge https docs microsoft com en us azure iot edge how to install iot edge linux arm with a sensehat https www raspberrypi org products sense hat and use the arm32v7 tags simulated azure iot edge device such as a pc set up azure iot edge instructions on windows https docs microsoft com en us azure iot edge how to install iot edge windows with linux instructions on linux https docs microsoft com en us azure iot edge how to install iot edge linux and use the amd64 tags a test x64 deployment manifest is already available to use it rename the deployment template test amd64 to deployment template json then build the iot edge solution from this manifest and deploy it to an x64 device services check out the animation below to see how a iot edge deployment works you can also get more details through this tutorial https docs microsoft com en us azure iot edge module deployment monitoring to see how a iot edge deployment works you must have the following services set up to use this sample azure iot hub this is your cloud gateway which is needed to manage your iot edge devices all deployments to edge devices are made through an iot hub you can use the free sku for this sample azure container registry this is where you host your containers e g iot edge modules deployment manifests refer to this container registry for the iot edge devices to download their images you can use the free sku for this sample iot edge deployment workflow assets iotedgedeployment gif tooling you need the following dev tools to do iot edge development in general to make this sample run and edit it visual studio code iot edge development environment download it from here https code visualstudio com visual studio code azure iot edge extension an extension that connects to your iot hub and lets you manage your iot devices and iot edge devices right from vs code a must have for iot edge development download it from here https marketplace visualstudio com items itemname vsciot vscode azure iot edge once installed connect it to your iot hub to learn more about this development environment check out this tutorial https docs microsoft com en us azure iot edge how to deploy modules vscode and this video https www youtube com watch v c5etq1cwllk t 1s index 35 list pllrxd0htiehh5 pov 6xsmxs3urd6xd52 visual studio code extension video assets vscodeextensionvideo png https www youtube com watch v c5etq1cwllk t 1s index 35 list pllrxd0htiehh5 pov 6xsmxs3urd6xd52 description of the solution modules this solution is made of 3 modules camera capture this module captures the video stream from a usb camera sends the frames for analysis to the custom vision module and shares the output of this analysis to the edgehub this module is written in python and uses opencv https opencv org to read the video feed custom vision it is a web service over http running locally that takes in images and classifies them based on a custom model built via the custom vision website https azure microsoft com en us services cognitive services custom vision service this module has been exported from the custom vision website and slightly modified to run on a arm architecture you can modify it by updating the model pb and label txt files to update the model sensehat display this module gets messages from the edgehub and blinks the raspberry pi s sensehat according to the tags specified in the inputs messages this module is written in python and requires a sensehat https www raspberrypi org products sense hat to work the amd64 template does not include this module since it is a raspberry pi only device communication between modules this is how the above three modules communicate between themselves and with the cloud communication patterns between modules assets communicationpatterns png get started to deploy the solution on a raspberry pi 3 from your mac or pc 1 clone this sample 2 update the env file with the values for your container registry and make sure that your docker engine has access to it 3 build the entire solution by right clicking on the deployment template json file and select build and push iot edge solution this can take a while especially to build open cv numpy and pillow 4 deploy the solution to your device by right clicking on the config deployment json file select create deployment for single device and choose your targeted device 5 monitor the messages being sent to the cloud by right clicking on your device from the vs code iot edge extension and select start monitoring d2c message note to stop device to cloud d2c monitoring use the azure iot hub stop monitoring d2c messages command from the command palette ctrl shift p to deploy the solution on an x64 pc from your mac or pc 1 clone this sample 2 update the env file with the values for your container registry and make sure that your docker engine has access to it 3 build the entire solution by opening the control palette ctrl shift p select build and push iot edge solution this can take a while especially to build numpy and pillow and select the deployment test amd64 template json manifest file it includes a test video file to simulate a camera 4 deploy the solution to your device by right clicking on the config deployment json file select create deployment for single device and choose your targeted device 5 monitor the messages being sent to the cloud by right clicking on your device from the vs code iot edge extension and select start monitoring d2c message note to stop device to cloud d2c monitoring use the azure iot hub stop monitoring d2c messages command from the command palette ctrl shift p going further update the ai model download your own custom vision model from the custom vision service you just need to replace the imageclassifierservice app model pb and imageclassifierservice app labels txt provided by the export feature of custom vision update the configuration of the camera capture module explore the various configuration options of the camera module https github com azure samples custom vision service iot edge raspberry pi tree master modules cameracapture to score your ai model against a camera feed vs a video clip to resize your images to see logs etc | server |
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udagram-api | udagram rest api udagram is a simple cloud application developed alongside the udacity cloud engineering nanodegree it allows users to register and log into a web client post photos to the feed and process photos using an image filtering microservice the project is split into three parts 1 the simple frontend https github com udacity cloud developer tree master course 02 exercises udacity c2 frontend a basic ionic client web application which consumes the restapi backend 2 the restapi backend https github com udacity cloud developer tree master course 02 exercises udacity c2 restapi a node express server which can be deployed to a cloud service 3 the image filtering microservice https github com udacity cloud developer tree master course 02 project image filter starter code the final project for the course it is a node express application which runs a simple script to process images getting setup installing project dependencies this project uses npm to manage software dependencies npm relies on the package json file located in the root of this repository after cloning open your terminal and run bash npm install tip npm i is shorthand for npm install installing useful tools 1 postbird https github com paxa postbird postbird is a useful client gui graphical user interface to interact with our provisioned postgres database we can establish a remote connection and complete actions like viewing data and changing schema tables columns ect 2 postman https www getpostman com downloads postman is a useful tool to issue and save requests postman can create get put post etc requests complete with bodies it can also be used to test endpoints automatically we ve included a collection udacity c2 restapi postman collection json which contains example requsts running the server locally to run the server locally in developer mode open terminal and run bash npm run dev developer mode runs off the typescript source any saves will reset the server and run the latest version of the codebase | cloud |
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learning-django-web-development | this is the repo of the django book learning django web development django written in python is a web application framework designed to build complex web applications quickly without any hassle it loosely follows the mvc pattern and adheres to the don t repeat yourself principle which makes a database driven application efficient and highly scalable and is by far the most popular and mature python web framework this book is a manual that will help you build a simple yet an effective django web application it starts by introducing django setting it up and code simple programs you will then learn to build your first twitter like app later on you will be introduced to hashtags ajax to enhance the user interface and tweets you will then move on to create an administration interface learn database connectivity and use third party libraries then you will learn to debug and deploy django projects and also get a glimpse of django with angularjs and elasticsearch by the end of the book you will be able to leverage django framework to develop a fully functional web application with minimal efforts what this book covers chapter 1 introduction to django gives you an introduction to mvc web development frameworks a history of django and explains why python and django are the best tools to use to achieve the aim of this book chapter 2 getting started shows how to set up our development environment on unix linux windows and mac os x we will also see how to create our first project and connect it to a database chapter 3 code style in django covers all the basic topics which you would require to follow such as coding practices for better django web development which ide you should use and version control chapter 4 building application like twitter takes you through a tour of the main django components and develops a working prototype for your twitter application chapter 5 introducing hashtags teaches you to design the algorithm for building a hashtag model and mechanism to use hashtag in your post chapter 6 enhancing the user interface with ajax will help you enhance the ui experience using ajax with django chapter 7 following and commenting shows how to create login logout and registration page template it will also show you how to allow following another user and displaying the most followed user chapter 8 creating an administration interface you will learn the features of administrator interface using django s inbuilt features and how we can show tweets in customized way with sidebar or pagination enabled chapter 9 extending and deploying prepares your app for deployment into production by utilizing various django frameworks features it will also show you how to add support for multiple languages improve performance by caching automate testing and configure the project for a production environment chapter 10 extending django speaks about improving various aspects of our application mainly performance and localization it also teaches how to deploy your project on a production server chapter 11 database connectivity cover various ways of database connectivity such as mysql nosql postresql and so on which is required for any database based applications chapter 12 using third party packages talks about open source and how to use and implement open source third party packages in your project chapter 13 art of debugging shows how to log and debug your code for better and efficient coding practice chapter 14 deploying django projects shows how to move a django project from development to a production environment and what are the things that needs to be taken care off before you go live chapter 15 what s next will take you to the next where you will be introduced to the two most important and preferred components angularjs and elasticsearch used in the django project | front_end |
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SQL-Challenge | sql challenge a quick look at data engineering and data analysis using a sql database csv files and pandas it is a beautiful spring day and it is two weeks since you have been hired as a new data engineer at pewlett hackard your first major task is a research project on employees of the corporation from the 1980s and 1990s all that remain of the database of employees from that period are six csv files in this assignment you will design the tables to hold data in the csvs import the csvs into a sql database and answer questions about the data in other words you will perform data engineering and data analysis | server |
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Machine-Learning-Projects-using-Python | machine learning projects using python collection of 11 projects sales 2 projects marketing 3 projects operations 1 projects finance 2 projects customer support 1 project human resources 1 project and information technology 1 project | server |
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system-design | system design some tiny exercises for system design from jiuzhang 1 introduction to system design news feed system mini twitter friendship service 2 database consistent hashing consistent hashing memcache consistent hashing ii mini cassandra lfu cache lru cache 3 web crawler google suggestion inverted index trie service url parser implement trie trie serialization typeahead webpage crawler 4 distributed file system gfs client heart beat 5 web system tiny url tiny url ii load balancer lfu cache lru cache top k frequent words top k frequent words ii 6 map reduce word count top k frequent words inverted index anagram n gram sort integers 7 location based service geohash geohash ii mini uber mini yelp 8 bigtable standard bloom filter counting bloom filter 9 message system rate limiter web logger rate limiter | os |
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AlignLLMHumanSurvey | awesome align llm human a collection of papers and resources about aligning large language models llms with human large language models llms trained on extensive textual corpora have emerged as leading solutions for a broad array of natural language processing nlp tasks despite their notable performance these models are prone to certain limitations such as misunderstanding human instructions generating potentially biased content or factually incorrect hallucinated information hence aligning llms with human expectations has become an active area of interest within the research community this survey presents a comprehensive overview of these alignment technologies including the following aspects 1 data collection 2 training methodologies 3 model evaluation in conclusion we collate and distill our findings shedding light on several promising future research avenues in the field this survey therefore serves as a valuable resource for anyone invested in understanding and advancing the alignment of llms to better suit human oriented tasks and expectations we hope this repository can help researchers and practitioners to get a better understanding of this emerging field if this repository is helpful for you please help us by citing this paper bash article aligning llm human title aligning large language models with human a survey author yufei wang and wanjun zhong and liangyou li and fei mi and xingshan zeng and wenyong huang and lifeng shang and xin jiang and qun liu journal arxiv preprint arxiv 2307 12966 year 2023 news this project is under development you can hit the star and watch to follow the updates 2023 07 31 our survey paper is put into podcast papersread ai https papersread ai e aligning large language models with human a survey 2023 07 25 our initial survey paper aligning large language models with human a survey arxiv org abs 2307 12966 becomes available table of contents news news awesome aligning llm human awesome align llm human related surveys related surveys alignment data alignment data data from human data from human data from strong llms data from strong llms instructions management instructions management alignment training alignment training online human alignment online human alignment offline human alignment offline human alignment parameter efficient training parameter efficient training alignment evaluation alignment evaluation evaluation design principles evaluation design principles evaluation benchmarks evaluation benchmarks evaluation paradigms evaluation paradigms alignment toolkits alignment toolkits related surveys a survey of large language models paper https arxiv org abs 2303 18223 a survey on multimodal large language models paper https arxiv org abs 2306 13549 a survey on evaluation of large language models paper https arxiv org abs 2307 03109 challenges and applications of large language models paper https arxiv org abs 2307 10169 harnessing the power of llms in practice a survey on chatgpt and beyond paper https arxiv org abs 2304 13712 domain specialization as the key to make large language models disruptive a comprehensive survey paper https arxiv org abs 2305 18703 a survey of safety and trustworthiness of large language models through the lens of verification and validation paper https arxiv org abs 2305 11391 unifying large language models and knowledge graphs a roadmap paper https arxiv org abs 2306 08302 tool learning with foundation models paper https arxiv org abs 2304 08354 eight things to know about large language models paper https arxiv org abs 2304 00612 open problems and fundamental limitations of reinforcement learning from human feedback paper https arxiv org abs 2307 15217 a stage review of instruction tuning blog https yaofu notion site june 2023 a stage review of instruction tuning f59dbfc36e2d4e12a33443bd6b2012c2 alignment data data from human nlp benchmarks promptsource an integrated development environment and repository for natural language prompts paper https aclanthology org 2022 acl demo 9 super naturalinstructions generalization via declarative instructions on 1600 nlp tasks paper https aclanthology org 2022 emnlp main 340 the flan collection designing data and methods for effective instruction tuning paper https arxiv org abs 2301 13688 the oig dataset blog https laion ai blog oig dataset chatplug open domain generative dialogue system with internet augmented instruction tuning for digital human paper https arxiv org abs 2304 07849 text alignment is an efficient unified model for massive nlp tasks paper https arxiv org abs 2307 02729 opt iml scaling language model instruction meta learning through the lens of generalization paper https arxiv org abs 2212 12017 instruct fingpt financial sentiment analysis by instruction tuning of general purpose large language models paper https arxiv org abs 2306 12659 domain knowledge learning a foundation language model for geoscience knowledge understanding and utilization paper https arxiv org abs 2306 05064 lawyer llama technical report paper https arxiv org abs 2305 15062 huatuo tuning llama model with chinese medical knowledge paper https arxiv org abs 2304 06975 pmc llama further finetuning llama on medical papers paper https arxiv org abs 2304 14454 parameter efficient fine tuning of llama for the clinical domain paper https arxiv org abs 2307 03042 hand crafted instructions free dolly introducing the world s first truly open instruction tuned llm blog https www databricks com blog 2023 04 12 dolly first open commercially viable instruction tuned llm openassistant conversations democratizing large language model alignment paper https arxiv org abs 2304 07327 chinese open instruction generalist a preliminary release paper https arxiv org abs 2304 07987 sharegpt blog https lmsys org blog 2023 03 30 vicuna let s verify step by step paper https arxiv org abs 2305 20050 beavertails towards improved safety alignment of llm via a human preference dataset paper https arxiv org abs 2307 04657 the importance of human labeled data in the era of llms paper https arxiv org abs 2306 14910 human preference data training language models to follow instructions with human feedback paper https openreview net forum id tg8kacxeon improving alignment of dialogue agents via targeted human judgements paper https arxiv org abs 2209 14375 fine tuning language models from human preference paper https arxiv org abs 1909 08593 teaching language models to support answers with verified quotes paper https arxiv org abs 2203 11147 webgpt browser assisted question answering with human feedback paper https arxiv org abs 2112 09332 data from strong llms general instructions improving input quality self instruct aligning language models with self generated instructions paper https aclanthology org 2023 acl long 754 lamini lm a diverse herd of distilled models from large scale instructions paper https arxiv org abs 2304 14402 baize an open source chat model with parameter efficient tuning on self chat data paper https arxiv org abs 2304 01196 large language model as attributed training data generator a tale of diversity and bias paper https arxiv org abs 2306 15895 wizardlm empowering large language models to follow complex instructions paper https arxiv org abs 2304 12244 unnatural instructions tuning language models with almost no human labor paper https aclanthology org 2023 acl long 806 dynosaur a dynamic growth paradigm for instruction tuning data curation paper https arxiv org abs 2305 14327 exploring format consistency for instruction tuning paper https arxiv org abs 2307 15504 improving output quality chain of thought prompting elicits reasoning in large language models paper https openreview net forum id vjqlmesb j orca progressive learning from complex explanation traces of gpt 4 paper https arxiv org abs 2306 02707 lion adversarial distillation of closed source large language model paper https arxiv org abs 2305 12870 principle driven self alignment of language models from scratch with minimal human supervision paper https arxiv org abs 2305 03047 expertprompting instructing large language models to be distinguished experts paper https arxiv org abs 2305 14688 phoenix democratizing chatgpt across languages paper https arxiv org abs 2304 10453 improving cross task generalization with step by step instructions paper https arxiv org abs 2305 04429 the cot collection improving zero shot and few shot learning of language models via chain of thought fine tuning paper https arxiv org abs 2305 14045 reasoning instructions general reasoning specializing smaller language models towards multi step reasoning paper https openreview net forum id mxull38aem distilling step by step outperforming larger language models with less training data and smaller model sizes paper https aclanthology org 2023 findings acl 507 knowledge augmented reasoning distillation for small language models in knowledge intensive tasks paper https arxiv org abs 2305 18395 pad program aided distillation specializes large models in reasoning paper https arxiv org abs 2305 13888 code textbooks are all you need paper https arxiv org abs 2306 11644 wizardcoder empowering code large language models with evol instruct paper https arxiv org abs 2306 08568 code alpaca an instruction following llama model for code generation github https github com sahil280114 codealpaca codet5 open code large language models for code understanding and generation paper https arxiv org abs 2305 07922 pangu coder2 boosting large language models for code with ranking feedback paper https arxiv org abs 2307 14936 maths mint boosting generalization in mathematical reasoning via multi view fine tuning paper https arxiv org abs 2307 07951 goat fine tuned llama outperforms gpt 4 on arithmetic tasks paper https arxiv org abs 2305 14201 scaling relationship on learning mathematical reasoning with large language models paper https arxiv org abs 2308 01825 conversational instructions vicuna an open source chatbot impressing gpt 4 with 90 chatgpt quality blog https lmsys org blog 2023 03 30 vicuna baize an open source chat model with parameter efficient tuning on self chat data paper https arxiv org abs 2304 01196 enhancing chat language models by scaling high quality instructional conversations paper https arxiv org abs 2305 14233 camel communicative agents for mind exploration of large scale language model society paper https arxiv org abs 2303 17760 selfee iterative self revising llm empowered by self feedback generation blog https kaistai github io selfee an effective data creation pipeline to generate high quality financial instruction data for large language model paper https arxiv org abs 2308 01415 multilingual instructions phoenix democratizing chatgpt across languages paper https arxiv org abs 2304 10453 bayling bridging cross lingual alignment and instruction following through interactive translation for large language models paper https arxiv org abs 2306 10968 bactrian x a multilingual replicable instruction following model with low rank adaptation paper https arxiv org abs 2305 15011 instruct align teaching novel languages with to llms through alignment based cross lingual instruction paper https arxiv org abs 2305 13627 instructions management instruction implications how far can camels go exploring the state of instruction tuning on open resources paper https arxiv org abs 2306 04751 flacuna unleashing the problem solving power of vicuna using flan fine tuning paper https arxiv org abs 2307 02053 scaling data constrained language models paper https arxiv org abs 2305 16264 towards better instruction following language models for chinese investigating the impact of training data and evaluation paper https arxiv org abs 2304 07854 the false promise of imitating proprietary llms paper https arxiv org abs 2305 15717 fundamental limitations of alignment in large language models paper https arxiv org abs 2304 11082 instruction quantity becoming self instruct introducing early stopping criteria for minimal instruct tuning paper https arxiv org abs 2307 03692 lima less is more for alignment paper https arxiv org abs 2305 11206 instruction mining high quality instruction data selection for large language models paper https arxiv org abs 2307 06290 alpagasus training a better alpaca with fewer data paper https arxiv org abs 2307 08701 maybe only 0 5 data is needed a preliminary exploration of low training data instruction tuning paper https arxiv org abs 2305 09246 alignment training online human alignment training language models to follow instructions with human feedback paper https openreview net forum id tg8kacxeon raft reward ranked finetuning for generative foundation model alignment paper https arxiv org abs 2304 06767 constitutional ai harmlessness from ai feedback paper constitutional ai harmlessness from ai feedback rlcd reinforcement learning from contrast distillation for language model alignment paper https arxiv org abs 2307 12950 offline human alignment rank based training direct preference optimization your language model is secretly a reward model paper https arxiv org abs 2305 18290 preference ranking optimization for human alignment paper https arxiv org abs 2306 17492 rrhf rank responses to align language models with human feedback without tears paper https arxiv org abs 2304 05302 pangu coder2 boosting large language models for code with ranking feedback paper https arxiv org abs 2307 14936 calibrating sequence likelihood improves conditional language generation paper https openreview net forum id 0qsoodkmjan making large language models better reasoners with alignment paper https arxiv org pdf 2309 02144 pdf language based training openchat less is more for open source models github https github com imoneoi openchat languages are rewards hindsight finetuning using human feedback paper https arxiv org abs 2302 02676 second thoughts are best learning to re align with human values from text edits paper https openreview net forum id u6ofmagiya1 training socially aligned language models in simulated human society paper https arxiv org abs 2305 16960 selfee iterative self revising llm empowered by self feedback generation blog https kaistai github io selfee fine grained human feedback gives better rewards for language model training paper https arxiv org abs 2306 01693 parameter efficient training lora low rank adaptation of large language models paper https openreview net forum id nzevkeefyf9 qlora efficient finetuning of quantized llms paper https arxiv org abs 2305 14314 prefix tuning optimizing continuous prompts for generation paper https aclanthology org 2021 acl long 353 the power of scale for parameter efficient prompt tuning paper https aclanthology org 2021 emnlp main 243 adaptive budget allocation for parameter efficient fine tuning paper https openreview net forum id lq62uwrjjiy parameter efficient fine tuning design spaces paper https openreview net forum id xsrswxyjic hint hypernetwork instruction tuning for efficient zero few shot generalisation paper https aclanthology org 2023 acl long 631 model architecture design mixture of experts meets instruction tuning a winning combination for large language models paper https arxiv org abs 2305 14705 lamini lm a diverse herd of distilled models from large scale instructions paper https arxiv org abs 2304 14402 alignment evaluation evaluation design principles sparks of artificial general intelligence early experiments with gpt 4 paper https arxiv org abs 2303 12712 efficiently measuring the cognitive ability of llms an adaptive testing perspective paper https arxiv org abs 2306 10512 holistic evaluation of language models paper https arxiv org abs 2211 09110 evaluation benchmarks closed set benchmarks general knowledge measuring massive multitask language understanding paper https openreview net forum id d7kbjmi3gmq cmmlu measuring massive multitask language understanding in chinese paper https arxiv org abs 2306 09212 c eval a multi level multi discipline chinese evaluation suite for foundation models paper https arxiv org abs 2305 08322 kola carefully benchmarking world knowledge of large language models paper https arxiv org abs 2306 09296 m3ke a massive multi level multi subject knowledge evaluation benchmark for chinese large language models paper https arxiv org abs 2305 10263 agieval a human centric benchmark for evaluating foundation models paper https arxiv org abs 2304 06364 measuring massive multitask chinese understanding paper https arxiv org abs 2304 12986 xiezhi an ever updating benchmark for holistic domain knowledge evaluation paper https arxiv org abs 2306 05783 tablet learning from instructions for tabular data paper https arxiv org abs 2304 13188 can language models understand physical concepts paper https arxiv org abs 2305 14057 reasoning training verifiers to solve math word problems paper https arxiv org abs 2110 14168 measuring massive multitask language understanding paper https openreview net forum id d7kbjmi3gmq commonsenseqa a question answering challenge targeting commonsense knowledge paper https aclanthology org n19 1421 did aristotle use a laptop a question answering benchmark with implicit reasoning strategies paper https direct mit edu tacl article doi 10 1162 tacl a 00370 100680 did aristotle use a laptop a question answering chain of thought prompting elicits reasoning in large language models paper https openreview net forum id vjqlmesb j challenging big bench tasks and whether chain of thought can solve them paper https arxiv org abs 2210 09261 program synthesis with large language models paper https arxiv org abs 2108 07732 ds 1000 a natural and reliable benchmark for data science code generation paper https arxiv org abs 2211 11501 evaluating large language models trained on code paper https arxiv org abs 2107 03374 is your code generated by chatgpt really correct rigorous evaluation of large language models for code generation paper https arxiv org abs 2305 01210 repobench benchmarking repository level code auto completion systems paper https arxiv org abs 2306 03091 classeval a manually crafted benchmark for evaluating llms on class level code generation paper https arxiv org abs 2308 01861 studenteval a benchmark of student written prompts for large language models of code paper https arxiv org abs 2306 04556 open set benchmarks general chat vicuna an open source chatbot impressing gpt 4 with 90 chatgpt quality blog https lmsys org blog 2023 03 30 vicuna self instruct aligning language models with self generated instructions paper https aclanthology org 2023 acl long 754 openassistant conversations democratizing large language model alignment paper https arxiv org abs 2304 07327 flask fine grained language model evaluation based on alignment skill sets paper https arxiv org abs 2307 10928 judging llm as a judge with mt bench and chatbot arena paper https arxiv org abs 2306 05685 alpacafarm a simulation framework for methods that learn from human feedback paper https arxiv org abs 2305 14387 safety safety assessment of chinese large language models paper https arxiv org abs 2304 10436 cvalues measuring the values of chinese large language models from safety to responsibility paper https arxiv org abs 2307 09705 latent jailbreak a benchmark for evaluating text safety and output robustness of large language models paper https arxiv org abs 2307 08487 trustgpt a benchmark for trustworthy and responsible large language models paper https arxiv org abs 2306 11507 long context l eval instituting standardized evaluation for long context language models paper https arxiv org abs 2307 11088 evaluation paradigms human based evaluation self instruct aligning language models with self generated instructions paper https aclanthology org 2023 acl long 754 lamini lm a diverse herd of distilled models from large scale instructions paper https arxiv org abs 2304 14402 training language models to follow instructions with human feedback paper https openreview net forum id tg8kacxeon judging llm as a judge with mt bench and chatbot arena paper https arxiv org abs 2306 05685 llms based evaluation llms for evaluation g eval nlg evaluation using gpt 4 with better human alignment paper https arxiv org abs 2303 16634 gptscore evaluate as you desire paper https arxiv org abs 2302 04166 exploring the use of large language models for reference free text quality evaluation a preliminary empirical study paper https arxiv org abs 2304 00723 can large language models be an alternative to human evaluations paper https arxiv org abs 2305 01937 factscore fine grained atomic evaluation of factual precision in long form text generation paper https arxiv org abs 2305 14251 alignscore evaluating factual consistency with a unified alignment function paper https aclanthology org 2023 acl long 634 error analysis prompting enables human like translation evaluation in large language models a case study on chatgpt paper https arxiv org abs 2303 13809 human like summarization evaluation with chatgpt paper https arxiv org abs 2304 02554 large language models are state of the art evaluators of code generation paper https arxiv org abs 2304 14317 benchmarking foundation models with language model as an examiner paper https arxiv org abs 2306 04181 llm eval unified multi dimensional automatic evaluation for open domain conversations with large language models paper https aclanthology org 2023 nlp4convai 1 5 llms as factual reasoners insights from existing benchmarks and beyond paper https arxiv org abs 2305 14540 llms bias in evaluation large language models are not fair evaluators paper https arxiv org abs 2305 17926 style over substance evaluation biases for large language models paper https arxiv org abs 2307 03025 judging llm as a judge with mt bench and chatbot arena paper https arxiv org abs 2306 05685 evaluation specific llms pandalm an automatic evaluation benchmark for llm instruction tuning optimization paper https arxiv org abs 2306 05087 wider and deeper llm networks are fairer llm evaluators paper https arxiv org abs 2308 01862 shepherd a critic for language model generation paper https arxiv org abs 2308 04592 alignment toolkits llama v1 v2 github https github com facebookresearch llama paper v1 https arxiv org abs 2302 13971 paper v2 https arxiv org abs 2307 09288 llama x open academic research on improving llama to sota llm github https github com aethercortex llama x llama2 chinese github https github com flagalpha llama2 chinese colossal ai making large ai models cheaper faster and more accessible github https github com hpcaitech colossalai training and serving large scale neural networks with auto parallelization github https github com alpa projects alpa fastchat github https github com lm sys fastchat lmflow github https github com optimalscale lmflow llama2 accessory an open source toolkit for llm development github https github com alpha vllm llama2 accessory | chatgpt gpt-4 large-language-models llms rlhf supervised-finetuning survey awesome chinese-llama llama llama2 | ai |
CS733EngiCloud | cs733 engineering a cloud this repo contains project assignments for the course cs733 iit bombay assignment 1 a memcached clone instructions download the repository using go get github com rahuldevp cs733engicloud | cloud |
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embedded-systems | embedded systems according to wikipedia an embedded system is a computer system a combination of processor memory and peripheral input and output devices with a specific function within a more extensive mechanical or electronic system in this class we will explore these systems to understand more about hardware and how to build different embedded systems creatively where digital product design can have infinite possibilities | os |
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blockchain | wiki https github com modolee blockchain wiki | blockchain dapp ethereum bitcoin | blockchain |
Feature-Extraction-and-Image-Processing-Book-Examples | feature extraction and image processing in computer vision 4 sup th sup edition img src https github com nixon aguado feature extraction and image processing book examples blob master images front 20cover png width 200 python examples for feature extraction and image processing in computer vision by mark s nixon alberto s aguado this book is available on elsevier https www elsevier com books feature extraction and image processing for computer vision nixon 978 0 12 814976 8 waterstones https www waterstones com book feature extraction and image processing for computer vision 9780128149768 and amazon https www amazon co uk feature extraction processing computer vision dp 0128149760 ref sr 1 2 keywords feature extraction 26 image processing for computer vision qid 1562229299 s gateway sr 8 2 in the book home page https www southampton ac uk msn book you ll find extra material for the book as well as useful image processing and computer vision links requirements python 3 6 numpy 1 16 0 pillow 6 0 0 matplotlib 3 1 0 license the code in this repository including all code samples is released under the the mit https opensource org licenses mit license | feature-extraction image-processing phyton | ai |
uReport | ureport is a crm web application with an open311 georeport v2 endpoint that should meet the needs of smaller municipalities wishing to deploy open311 and or a lightweight constituent management tool context switched feeds xml json etc allow it to easily be integrated into existing environments installation in order to install one of our binary releases you must have a linux system already set up with php 7 4 http php net or later apache 2 4 http httpd apache org mysql 5 7 http dev mysql com or later solr 7 4 http lucene apache org solr there are many ways to set up and install your own linux webserver our way is not the only way though it s well worth reading up on all the technologies and deciding what you need for your own hosting once you ve got hosting sorted out you can follow the wiki instructions https github com city of bloomington ureport wiki install to install ureport on your webserver running tests tests are written using phpunit you can run them from the root installation directory unit tests are safe run any time the do not alter the database or touch the hard drive of a deployment integration tests are intended to be run against a production deployment to make sure everything is configured correctly and working database connections image uploads solr queries external webservices etc these tests will make queries and write files to the hard drive of the deployment however they are non destructive read only queries and are safe database tests should not be run against production these check the implementation of data apis and will alter and delete data only run these against a dev or test instance site home path to data dir phpunit c src test unit xml site home path to data dir phpunit c src test integration xml site home path to data dir phpunit c src test database xml developing ureport we are always open to new collaborators if you are customizing ureport we welcome pull requests on github to get started developing ureport there are some additional requirements in order to build a working copy from source composer node sass gnu gettext command line tools bash questions and feedback online documentation is in this project s wiki https github com city of bloomington ureport wiki if you find this software acting in unexpected ways please create an issue in our issue tracker https github com city of bloomington ureport issues if you want to contribute to the project join us on our google group https groups google com forum fromgroups forum ureport license the files in this project are released under the gnu affero gplv3 details are in license license | php open311 georeport municipalities | os |
systems-design | system design repository all things system design books blog posts interview questions e t c table of contents books books blog posts blog posts company engineering blogs company engineering blogs courses and tutorials courses and tutorials interview questions interview questions youtube youtube books designing data intensive applications by martin kleppmann https www amazon com designing data intensive applications reliable maintainable dp 1449373321 designing distributed systems by brendan burns https azure microsoft com en us resources designing distributed systems system design interview by alex xu https www amazon com dp b08cmf2cqf blog posts scalability for dummies https www lecloud net tagged scalability scalable web architecture and distributed systems https www aosabook org en distsys html introduction to architecting systems for scale https lethain com introduction to architecting systems for scale system design interview questions concepts you should know https www freecodecamp org cdn ampproject org c s www freecodecamp org news systems design for interviews company engineering blogs high scalability http highscalability com the github blog https github com blog category engineering engineering at quora http engineering quora com yelp engineering blog http engineeringblog yelp com twitter engineering https engineering twitter com facebook engineering https www facebook com engineering yammer engineering http eng yammer com blog etsy code as craft http codeascraft com foursquare engineering blog http engineering foursquare com airbnb engineering http nerds airbnb com webengage engineering blog http engineering webengage com linkedin engineering http engineering linkedin com blog the netflix tech blog http techblog netflix com banksimple simple blog https www simple com engineering square the corner http corner squareup com soundcloud backstage blog https developers soundcloud com blog flickr code http code flickr net instagram engineering http instagram engineering tumblr com dropbox tech blog https tech dropbox com cloudera developer blog http blog cloudera com bandcamp tech http bandcamptech wordpress com oyster tech blog http tech oyster com the reddit blog http www redditblog com groupon engineering blog https engineering groupon com songkick technology blog http devblog songkick com google research blog http googleresearch blogspot com pinterest engineering blog http engineering pinterest com twilio engineering blog http www twilio com engineering bitly engineering blog http word bitly com uber engineering blog https eng uber com godaddy engineering http engineering godaddy com splunk blog http blogs splunk com coursera engineering blog https building coursera org paypal engineering blog https www paypal engineering com nextdoor engineering blog https engblog nextdoor com booking com development blog https blog booking com scalyr engineering blog https blog scalyr com grammarly engineering blog https www grammarly com blog engineering intercom engineering blog https www intercom com blog engineering slack engineering blog https slack engineering stripe engineering blog https stripe com blog engineering courses and tutorials grokking the system design interview https www educative io courses grokking the system design interview algoexpert io https www algoexpert io hired in tech https www palantir com 2011 10 how to rock a systems design interview system design tutorial https systemdesigntutorial com system design yelp interview questions design a cdn network globally distributed content delivery https kilthub cmu edu articles journal contribution globally distributed content delivery 6605972 design a google document system google mobwrite https code google com p google mobwrite differential synchronization https neil fraser name writing sync design a random id generation system reference announcing snowflake https blog twitter com 2010 announcing snowflake snowflake https github com twitter snowflake design a key value database reference introduction to redis http www slideshare net dvirsky introduction to redis design the facebook news feed function reference what are best practices for building something like a news feed http www quora com what are best practices for building something like a news feed what are the scaling issues to keep in mind while developing a social network feed http www quora com activity streams what are the scaling issues to keep in mind while developing a social network feed activity feeds architecture http www slideshare net danmckinley etsy activity feeds architecture design the facebook timeline function reference building timeline https www facebook com note php note id 10150468255628920 facebook timeline http highscalability com blog 2012 1 23 facebook timeline brought to you by the power of denormaliza html design a function to return the top k requests during past time interval efficient computation of frequent and top k elements in data streams http www cse ust hk raywong comp5331 references efficientcomputationoffrequentandtop kelementsindatastreams pdf an optimal strategy for monitoring top k queries in streaming windows http davis wpi edu xmdv docs edbt11 diyang pdf design an online multiplayer card game how to create an asynchronous multiplayer game http www indieflashblog com how to create an asynchronous multiplayer game html how to create an asynchronous multiplayer game part 2 saving the game state to online database http www indieflashblog com how to create async part2 html how to create an asynchronous multiplayer game part 3 loading games from the database http www indieflashblog com how to create async part3 html how to create an asynchronous multiplayer game part 4 matchmaking http www indieflashblog com how to create async part4 html html comment 4447 real time multiplayer in html5 http buildnewgames com real time multiplayer design a graph search function building out the infrastructure for graph search https www facebook com notes facebook engineering under the hood building out the infrastructure for graph search 10151347573598920 indexing and ranking in graph search https www facebook com notes facebook engineering under the hood indexing and ranking in graph search 10151361720763920 the natural language interface of graph search https www facebook com notes facebook engineering under the hood the natural language interface of graph search 10151432733048920 and erlang at facebook http www erlang factory com upload presentations 31 eugeneletuchy erlangatfacebook pdf design a picture sharing system flickr architecture http highscalability com flickr architecture instagram architecture http highscalability com blog 2011 12 6 instagram architecture 14 million users terabytes of photos html design a search engine how would you implement google search http programmers stackexchange com questions 38324 interview question how would you implement google search implementing search engines http www ardendertat com 2012 01 11 implementing search engines design a recommendation system hulu s recommendation system http tech hulu com blog 2011 09 19 recommendation system html recommender systems http ijcai13 org files tutorial slides td3 pdf design a tinyurl system system design for big data tinyurl http n00tc0d3r blogspot com url shortener api https developers google com url shortener csw 1 design a garbage collection system baby s first garbage collector http journal stuffwithstuff com 2013 12 08 babys first garbage collector design a scalable web crawling system how can i build a web crawler from scratch https www quora com how can i build a web crawler from scratch design the facebook chat function erlang at facebook http www erlang factory com upload presentations 31 eugeneletuchy erlangatfacebook pdf facebook chat https www facebook com note php note id 14218138919 id 9445547199 index 0 design a trending topic system implementing real time trending topics with a distributed rolling count algorithm in storm http www michael noll com blog 2013 01 18 implementing real time trending topics in storm early detection of twitter trends explained http snikolov wordpress com 2012 11 14 early detection of twitter trends design a cache system introduction to memcached http www slideshare net oemebamo introduction to memcached youtube channels gaurav sen https www youtube com channel ucrpmaqdtsgd0ipeef7ifskw hussein nasser https www youtube com channel uc ml5xp23towkucc oae eg videos system design mock interview design instagram https www youtube com watch v vjpfo6kdywe google systems design interview with an ex googler https www youtube com watch v q0kgywnbf 0 amazon system design interview design parking garage https www youtube com watch v ntmvnh0wfvm credits company engineering blogs from checkcheckzz https github com checkcheckzz system design interview company engineering blogs initial post of interview questions from checkcheckzz https github com checkcheckzz system design interview hot questions and reference | system-design system-design-questions system-design-interview system-design-project open-source backend-development | os |
My-Wallet-V3-Android | my wallet v3 android circleci https circleci com gh blockchain my wallet v3 android tree master svg style svg https circleci com gh blockchain my wallet v3 android tree master next generation hd bip32 bip39 bip44 bitcoin ethereum and bitcoin cash wallet getting started install android studio download from android studio https developer android com studio make sure to install the command line tools as well after installing as open it and install api 28 current compilesdkversion and 29 current targetsdkversion from preferences appearance behavior system settings android sdk install oracle jdk https www oracle com java technologies javase downloads html for gradle command line tools required run the quickstart script from a bash terminal at the base of the project scripts quick start sh this will install the necessary dependencies for the project to compile successfully optional run the bootstrap script from terminal via scripts bootstrap sh this will install the google java code style as well as the official android kotlin code style and remove any file header templates the script may indicate that you need to restart android studio for it s changes to take effect install homebrew https brew sh setting up ssh for github follow this https docs github com en free pro team latest github authenticating to github generating a new ssh key and adding it to the ssh agent for generating your ssh key and adding it to your github account automatic git commit signing install system packages install gpg brew install gpg install pinentry for storing the passphrase in the keychain brew install pinentry mac generate the key via gpg full generate key when asked press enter to choose rsa dsa default key size 4096 key valid for 0 indefinitely add your name on github add your blockchain email address configuring git to sign automatically take the second line below pub i e long string with hex string this is the key id git config global user signingkey key id git config global commit gpgsign true git config global gpg program gpg setting up the gpg agent to use the keychain echo pinentry program usr local bin pinentry mac gnupg gpg agent conf you may need to restart the agent gpgconf kill gpg agent configuring github to recognize the key go to github profile settings ssh and gpg keys new gpg key get your public key by running where key id as before gpg armor export key id pbcopy install xcode command line tools this is required in order to be able to use fastlane bundle commands xcode select install setting up fastlane we use fastlane for automating building signing testing and uploading to appcenter and to the play store the settings are stored in the fastlane directory the preferred way of installing fastlane is via the gemfile sudo bundle install to update fastlane use sudo bundle update fastlane after which you need to commit the changes typically the gemfile gemfile lock and the configuration files in the fastlane directory alternatively you can install it via homebrew brew install fastlane fastlane init once fastlane is setup you can find the available lane commands and their description in fastlane readme md file using fastlane you can run any of the lane tasks defined in the fastlane fastfile summary in the fastlane readme md the options are given in the format of key1 value1 key2 value2 and so on bundle exec fastlane lane options for all the available options run bundle exec fastlane alternative the bundle is preferred fastlane lane options running builds staging and debug are the default arguments for environment and build type use environment environment and build type build type for specific builds bundle exec fastlane build use environment build type for building staging and prod debug and release builds like bundle exec fastlane prod release running the unit tests staging and debug are the default arguments for environment and build type use environment environment and build type build type for specific test executions app module only bundle exec fastlane test use module and test name to run tests for a single class only or to run a single test example bundle exec fastlane test module sunriver test name com blockchain sunriver horizonoperationmappingtest troubleshooting sometimes the xcode developer tools doesn t find the relevant headers to build and install the necessary gems in this case use the following command to compile the required gem sudo xcrun gem install gem name v gem version source https rubygems org example sudo xcrun gem install unf ext v 0 0 7 7 source https rubygems org building clone the android repository https github com blockchain wallet android private make sure your repository is on develop import it as an android studio project file open configuration files the following files can be found in android configuration files https github com blockchain wallet android credentials secrets properties file contains api keys and the various combinations of production staging testnet dev urls environment files root env folder and total of 3 google services json files you can get the latest configuration files by running bundle exec fastlane credentials or manually cloning the android configuration files https github com blockchain wallet android credentials repository and then moving the secrets properties file extension should be properties only into app as well as unzipping the env zip file deleting app src env and then moving the unzipped env folder to app src select the envstagingdebug variant from build variants bottom left corner in as since dev is quite unstable then hit build make project for dev and staging access you ll need vpn access https blockchain atlassian net wiki spaces skb pages 501350537 algo vpn client side setup how can setup it up 3f common errors execution failed for task app processenv googleservices make sure to delete app src env and then move the unzipped env folder to app src make sure app src env only contains directories there shouldn t be any json file there contributions and code style all new code must be in kotlin we are using the official kotlin style guide which can be applied in android studio via preferences editor code style kotlin set from predefined style kotlin style guide it should be noted that this is not currently the default in android studio so please configure this if you have recently reinstalled as alternatively simply run the bootstrap script and ktlint will configure your ide for you all code must be tested if possible and must pass ci therefore it must introduce no new lint errors and must pass ktlint before committing any new kotlin code it is recommended formatting your files in android studio with cmd alt l and running gradlew ktlint locally you can if you so wish run gradlew ktlintformat which will fix any style violations be aware that this may need to be run twice to apply all fixes as of 0 20 commit message style use git change log style where you have access to jira you should apply the git hooks with gradlew installgithooks this enforces the git change log style with jira references security security issues can be reported to us in the following venues email security blockchain info bug bounty https hackerone com blockchain | android bitcoin wallet java rxjava2 dagger2 unit-tested kotlin ethereum | blockchain |
adbd | android debug bridge daemon implementation in rt thread pc rt thread shell 1 tcpip usb pull push shell 2 lwip winusb posix libc shell finsh msh 3 adbd 3 1 adbd env base using tcpip transfer tcp ip using usb transfer usb set transfer thread stack size enable shell service shell enable file service set file service thread stack size set file service receive timeout enable external mod enable file sync mod md5 enable file list mod enable adb service discovery 3 adb pc 3 1 adb pc pc adb push pc sync dev sync adb dev sync pc adb push pc pc 3 2 pc pc adb push 3 2 1 adbd tools script adb sync py python adb sync py 4 4 1 adb adb docs overview txt docs protocol txt docs sync txt pc win adbd tools adb adb exe | adb mcu rtos | os |
caliper | caliper introduction caliper is a blockchain performance benchmark framework which allows users to test different blockchain solutions with predefined use cases and get a set of performance test results currently supported blockchain solutions fabric 1 0 5 https github com hyperledger fabric sawtooth 0 8 https github com hyperledger sawtooth core iroha develop branch fcc2f7c8ceaee4f7654c3b216d65b8906a35f633 https github com hyperledger iroha currently supported performance indicators success rate transaction read throughput transaction read latency minimum maximum average percentile resource consumption cpu memory network io see to add the link to pswg to find out the definitions and corresponding measurement methods achitecture see architecture introduction docs architecture md build pre requisites make sure following tools are installed nodejs 8 x node gyp docker docker compose run npm install in caliper folder to install dependencies locally install blockchain sdks fabric install with source code clone fabric sdk node https github com hyperledger fabric sdk node and run the headless tests to make sure everything is ok install fabric client and fabric ca client from the sdk e g run npm install path to sdk fabric client path to sdk fabric ca client in caliper s root folder or just copy the node modules from fabric sdk node project or install using the repository run npm install fabric ca client fabric client in the root folder sawtooth clone sawtooth core https github com hyperledger sawtooth core and run the bin run tests m javascript sdk to test the sdk install sawtooth sdk from the sdk e g run npm install path to sdk javascript in capliper s root folder iroha install dependencies sudo apt get install libv8 dev install google protobuf grpc a precompiled iroha library is provided in src iroha external which is compiled with ubuntu 14 x86 64 the library should be replaced if it is incompatible with the under platform run benchmark all predefined benchmarks can be found in caliper benchmark benchmark folder to start a benchmark just run node main js c yourconfig json n yournetwork json in the folder of the benchmark c specify the config file of the benchmark if not used config json will be used as default n specify the config file of the blockchain network under test if not used the file address must be specified in the benchmak config file bash start the simple benchmark default config json is used cd caliper benchmark simple node main js some example suts are provided in caliper network network folder they can be launched automatically before the test by setting the bootstrap commands in the configuration file e g json command start docker compose f network fabric simplenetwork docker compose yaml up d end docker compose f network fabric simplenetwork docker compose yaml down docker rm docker ps aq the scripts defined in command start will be called before the test and the scripts defined in command end will be called after the finish of all tests you can use them to define any preparation or clean up works you can also run the test with your own blockchain network a network configuration should be provided and corresponding file path should be specified in configuration file s blockchain config note when running the benchmark one or more blockchain clients will be used to generate and submit transactions to the sut the number of launched clients as well as testing workload can be defined using the configuration file docs architecture md configuration file a html report will be generated automatically after the testing alternative you can also use npm scripts to run a benchmark npm run list list all available benchmarks bash npm run list caliper 0 1 0 list home hurf caliper node scripts list js available benchmarks drm simple npm test run a benchmark with specific config files bash npm test simple c benchmark simple config json n benchmark simple fabric json caliper 0 1 0 test home hurf caliper node scripts test js simple c benchmark simple config json n benchmark simple fabric json run benchmark with distributed clients experimental in this way multiple clients can be launched on distributed hosts to run the same benchmark 1 start the zookeeper service 2 launch clients on target machines separately by running node src comm client zoo client js zookeeper server or npm run startclient zookeeper server time synchronization between target machines should be executed before launching the clients example bash npm run startclient 10 229 42 159 2181 caliper 0 1 0 startclient home hurf caliper node src comm client zoo client js 10 229 42 159 2181 connected to zookeeper created client node caliper clients client 1514532063571 0000000006 created receiving queue at caliper client 1514532063571 0000000006 in created sending queue at caliper client 1514532063571 0000000006 out waiting for messages at caliper client 1514532063571 0000000006 in 3 modify the client type setting in configuration file to zookeeper example clients type zookeeper zoo server 10 229 42 159 2181 clientsperhost 5 4 launch the benchmark on any machine as usual note zookeeper is used to register clients and exchange messages a launched client will add a new znode under caliper clients the benchmark checks the directory to learn how many clients are there and assign tasks to each client according to the workload there is no automatic time synchronization between the clients you should manually synchronize time between target machines for example using ntpdate the blockchain configuration file must exist on machines which run the client and the relative path relative to the caliper folder of the file must be identical all referenced files in the configuration must also exist write your own benchmarks caliper provides a set of nodejs nbis north bound interfaces for applications to interact with backend blockchain system check the src comm blockchain js src comm blockchain js to learn about the nbis multiple adaptors are implemented to translate the nbis to different blockchain protocols so developers can write a benchmark once and run it with different blockchain systems generally speaking to write a new caliper benchmark you need to write smart contracts for systems you want to test write a testing flow using caliper nbis caliper provides a default benchmark engine which is pluggable and configurable to integrate new tests easily for more details please refer to benchmark engine docs architecture md benchmark engine write a configuration file to define the backend network and benchmark arguments directory structure directory description benchmark samples of the blockchain benchmarks docs documents network boot configuration files used to deploy some predefined blockchain network under test src souce code of the framework src contract smart contracts for different blockchain systems | blockchain |
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DavorCoin | davorcoin official development repo what is davorcoin davorcoin https davor io abbreviated dav davorcoin is a new cryptocurrency which aims to become the best alternative to current popular coins such as bitcoin and ethereum it is a form of digital public money created by complex mathematical computations and validated by millions of computer users blockchain technology davorcoins are digital coins which you can store on your computer drive smartphone hardware wallet or somewhere in the cloud once you own davorcoins they behave like physical gold coins they possess value and can be traded like stocks in popular exchanges in the future you ll be able to use them to purchase goods and services davorcoin resources client and source source code https github com davorcc davorcoin documentation davorcoin whitepaper https davor io help twitter https twitter com davorcoin facebook https www facebook com davorcoin repo guidelines developers work in their own forks then submit pull requests when they think their feature or bug fix is ready if it is a simple trivial non controversial change then one of the development team members simply pulls it if it is a more complicated or potentially controversial change then the change may be discussed in the pull request or the requester may be asked to start a discussion in the davorcoin forum https davor io for a broader community discussion the patch will be accepted if there is broad consensus that it is a good thing developers should expect to rework and resubmit patches if they don t match the project s coding conventions see coding txt or are controversial from time to time a pull request will become outdated if this occurs and the pull is no longer automatically mergeable a comment on the pull will be used to issue a warning of closure pull requests closed in this manner will have their corresponding issue labeled stagnant | blockchain |
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geoseg | geoseg a computer vision package for automatic building segmentation and outline extraction table of contents a href requirements requirements a a href organization organization a a href models models a a href usage usage a a href performance performance a a href visualization visualization a a href todo todo a a href citation citation a requirements pytorch 0 4 1 python 3 organization geoseg data original image tiles dataset image mask slices from data checkpoint pre trained models logs curve raw snapshot speed csv result quantitative qualitative result src init py models network archs fcns unet etc estrain py losses py metrics py runner py test py train py vision py models details src models archs md usage download repo git clone https github com huster wgm geoseg git download data nz32km2 google drive https drive google com open id 1pnkglrt8j9h4cx9iys0bh9vamqs kotz or del baidu yun https pan baidu com s 1ujpzi8cgh h5kszhr1 bza del download data vaihingen isprs http www2 isprs org commissions comm3 wg4 2d sem label vaihingen html details about the datasets can be found at a href citation citation a download pre trainded models fcns on nz32km2 binary building segmentation google drive https drive google com open id 1mh8tspqcrj9anezlyixjzzrggg8dfrl on isprs vaihingen 6 class segmentation google drive https drive google com open id 1esdecmv5mx1vqsl0jyfeqvdyfm g 1k only fcn8s 16s and 32s others here checkpoint step by step tutorial jupyter notebook link how to ipynb performance patch performance result patchperforms csv area performance result areaperforms csv computational efficiency logs speed csv visualization snapshots logs snapshot learning curve logs curve br net on nz32km2 br net result single br net canny segmap edge 0 png todo update training testing data add support for more dataset citation nz32km2 dataset the location scale resolution and preprocessing of the nz32km2 dataset please refer to paper link https www mdpi com 2072 4292 10 8 1195 htm article wu2018boundary title a boundary regulated network for accurate roof segmentation and outline extraction author wu guangming and guo zhiling and shi xiaodan and chen qi and xu yongwei and shibasaki ryosuke and shao xiaowei journal remote sensing volume 10 number 8 pages 1195 year 2018 publisher multidisciplinary digital publishing institute isprs vaihingen dataset the location scale resolution and preprocessingof the isprs vaihingen dataset please refer to paper link https www mdpi com 2072 4292 11 9 1051 htm article wu2019stacked title a stacked fully convolutional networks with feature alignment framework for multi label land cover segmentation author wu guangming and guo yimin and song xiaoya and guo zhiling and zhang haoran and shi xiaodan and shibasaki ryosuke and shao xiaowei journal remote sensing volume 11 number 9 pages 1051 year 2019 publisher multidisciplinary digital publishing institute source code if you use the code for your research please cite the paper link https arxiv org pdf 1809 03175 pdf article wu2018geoseg title geoseg a computer vision package for automatic building segmentation and outline extraction author wu guangming and guo zhiling journal arxiv preprint arxiv 1809 03175 year 2018 | ai |
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iiuwr-bachelor-thesis | iiuwr bachelor thesis the topic of my bachelor s thesis was writing a library that uses the abstract syntax trees provided by the re linq library https relinq codeplex com to translate linq queries to postgresql queries query a postgresql database and convert the result into an entity in other words an orm utility between net and postgresql if you want a deeper explanation on how it works you can read about it in detail in the iithesis pdf document inside thesis document directory which is my thesis paper it s written in polish disclaimer if you are looking for a good linq provider for postgresql you should definitely not use mine this program is nothing but a proof of concept and you probably are looking for a full featured and faster alternative like commercial devart s linqconnect https www devart com dotconnect postgresql articles tutorial linq html or open source linq to db https github com linq2db linq2db used technologies and stuff framework net core https www microsoft com net core database postgresql https www postgresql org libraries re linq https relinq codeplex com dapper https github com stackexchange dapper for testing and benchmarking xunit https xunit github io npgsql http www npgsql org benchmarkdotnet http benchmarkdotnet org they all are licensed under their respective open licenses sample database used in tests northwind it is included in the thesis migrations folder | university iiuwr relinq postgresql | server |
clarity-addons | addons for the clarity design system clarity addons provides additional components and themes to the clarity design system https github com vmware clarity getting started see the how to use clarity addons in the docs https porscheinformatik github io clarity addons documentation latest get started documentation for documentation on the clarity addons including a list of components and example usage see our website https porscheinformatik github io clarity addons contributing we welcome contributions from the community for more detailed information see contributing contributing md licenses clarity addons are licensed under the mit license clarity addons icons are volkswagen ag br when using the icons copyrights name and trademark rights as well as other property rights of volkswagen ag must be observed the icons and the brand are protected no licence or other right of use is granted by the availability of the icons | os |
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web3.php | web3 php php https github com web3p web3 php actions workflows php yml badge svg https github com web3p web3 php actions workflows php yml build status https travis ci org web3p web3 php svg branch master https travis ci org web3p web3 php codecov https codecov io gh web3p web3 php branch master graph badge svg https codecov io gh web3p web3 php join the chat at https gitter im web3 php web3 php https img shields io badge gitter join 20chat brightgreen svg https gitter im web3 php web3 php licensed under the mit license https img shields io badge license mit blue svg https github com web3p web3 php blob master license a php interface for interacting with the ethereum blockchain and ecosystem install set minimum stability to dev minimum stability dev then composer require web3p web3 php dev master or you can add this line in composer json web3p web3 php dev master usage new instance php use web3 web3 web3 new web3 http localhost 8545 using provider php use web3 web3 use web3 providers httpprovider use web3 requestmanagers httprequestmanager web3 new web3 new httpprovider new httprequestmanager http localhost 8545 timeout web3 new web3 new httpprovider new httprequestmanager http localhost 8545 0 1 you can use callback to each rpc call php web3 clientversion function err version if err null do something return if isset version echo client version version eth php use web3 web3 web3 new web3 http localhost 8545 eth web3 eth or php use web3 eth eth new eth http localhost 8545 net php use web3 web3 web3 new web3 http localhost 8545 net web3 net or php use web3 net net new net http localhost 8545 batch web3 php web3 batch true web3 clientversion web3 hash 0x1234 web3 execute function err data if err null do something it may throw exception or array of exception depends on error type connection error throw exception json rpc error array of exception return do something eth php eth batch true eth protocolversion eth syncing eth provider execute function err data if err null do something return do something net php net batch true net version net listening net provider execute function err data if err null do something return do something personal php personal batch true personal listaccounts personal newaccount 123456 personal provider execute function err data if err null do something return do something contract php use web3 contract contract new contract http localhost 8545 abi deploy contract contract bytecode bytecode new params callback call contract function contract at contractaddress call functionname params callback change function state contract at contractaddress send functionname params callback estimate deploy contract gas contract bytecode bytecode estimategas params callback estimate function gas contract at contractaddress estimategas functionname params callback get constructor data constructordata contract bytecode bytecode getdata params get function data functiondata contract at contractaddress getdata functionname params assign value to outside scope from callback scope to outside scope due to callback is not like javascript callback if we need to assign value to outside scope we need to assign reference to callback php newaccount web3 personal newaccount 123456 function err account use newaccount if err null echo error err getmessage return newaccount account echo new account account php eol examples to run examples you need to run ethereum blockchain local testrpc if you are using docker as development machain you can try ethdock https github com sc0vu ethdock to run local ethereum blockchain just simply run docker compose up d testrpc and expose the 8545 port develop local php cli installed 1 clone the repo and install packages git clone https github com web3p web3 php git cd web3 php composer install 2 run test script vendor bin phpunit docker container 1 clone the repo and run docker container git clone https github com web3p web3 php git 2 copy web3 php to web3 php docker app directory and start container cp files docker app docker compose up d php ganache 3 enter php container and install packages docker compose exec php ash 4 change testhost in testcase php testhost var string protected testhost http ganache 8545 5 run test script vendor bin phpunit install packages enter container first docker compose exec php ash 1 gmp apk add gmp dev docker php ext install gmp 2 bcmath docker php ext install bcmath remove extension move the extension config from usr local etc php conf d mv usr local etc php conf d extension config name to directory api todo contribution thank you to all the people who already contributed to web3 php a href https github com web3p web3 php graphs contributors img src https contrib rocks image repo web3p web3 php a license mit | web3 ethereum web3php php smart-contracts hacktoberfest | blockchain |
IIT | iit introduction to information technology | server |
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framework | accord net framework this project is currently archived please fork the project into your own github account if you would like to continue its development archiving after 14 15 years of development the accord net project has finally been archived i would like to send a big thank you to everyone who has ever comitted dedicated or otherwise devoted their time and effort into making this repository better every day what had started as a project to store knowledge in the form of algorithms and implementations had grown way beyond my expectations since i first joined university and started working on research 15 years ago in the meantime many things have happened and the ml landscape had also greatly evolved since then however i pledge you to absolutely not interpret the archiving of this project as a loss the main goal of this project since day 1 was to crystalize the ml knowledge available at the time in the form of source code and store it under a number of compatible free software licenses as such if you would like to do not feel afraid of copy and pasting portions of this project into your own implementations if i cesar de souza am the solely implementor of any of the classes you would like to port i hereby grant you an irrevocable license to do so if i am not and the current license of the file you would like to port does not suit your needs i can help you contact their original developers to help you with the transition pre we reject kings presidents and voting we believe in rough consensus and running code david clark pre all this said this has been an amazing ride thanks everyone for their ever growing support all those years let s keep in touch cesar previous doi https zenodo org badge 3964514 svg https zenodo org badge latestdoi 3964514 build status https ci appveyor com api projects status ns9h9opjmu8iw3ep svg true https ci appveyor com project cesarsouza framework build status https travis ci org accord net framework svg branch development https travis ci org accord net framework nuget downloads https img shields io nuget dt accord svg https www nuget org packages accord license https img shields io badge license lgpl 2 1 blue svg license nuget https img shields io nuget v accord svg https www nuget org packages accord nuget pre release https img shields io nuget vpre accord svg https www nuget org packages accord the accord net project provides machine learning statistics artificial intelligence computer vision and image processing methods to net it can be used on microsoft windows xamarin unity3d windows store applications linux or mobile after merging with the aforge net project the framework now offers a unified api for learning training machine learning models that is both easy to use and extensible it is based on the following pattern choose a learning algorithm http accord framework net docs html n accord machinelearning htm that provides a learn x y or learn x method use the learn x y http accord framework net docs html m accord machinelearning vectormachines learning sequentialminimaloptimization learn htm to create a machine learning model http accord framework net docs html t accord machinelearning vectormachines supportvectormachine htm learned from the data use the model s transform http accord framework net docs html m accord machinelearning classifierbase 2 transform htm decide http accord framework net docs html m accord machinelearning classifierbase 2 decide 1 htm scores http accord framework net docs html m accord machinelearning binaryscoreclassifierbase 1 scores 3 htm probabilities http accord framework net docs html m accord machinelearning binarylikelihoodclassifierbase 1 probabilities htm or loglikelihoods http accord framework net docs html m accord machinelearning vectormachines supportvectormachine 2 loglikelihood htm methods for more information please see the getting started guide https github com accord net framework wiki getting started and check the classfication wiki https github com accord net framework wiki classification please do not hesitate to edit the wiki if you would like update 10 05 2020 please see the current status section https github com accord net framework current status below before you start using this library in any new projects installing to install the framework in your application please use nuget if you are on visual studio right click on the references item in your solution folder and select manage nuget packages search for accord machinelearning or equivalently accord math accord statistics or accord imaging depending on your initial goal https www nuget org packages q accord net and select install if you would like to install the framework on unity3d applications https unity3d com download the libsonly compressed archive from the framework releases page https github com accord net framework releases navigate to the releases mono folder and copy the dll files to the plugins folder in your unity project finally find and add the system componentmodel dataannotations dll assembly that should be available from your system to the plugin folders as well sample applications the framework comes with a wide range of sample applications to help get you started quickly if you downloaded the framework sources or cloned the repository open the samples sln solution file in the samples folder building with visual studio 2015 please download and install the following dependencies t4 toolbox for visual studio 2015 https visualstudiogallery msdn microsoft com 34b6d489 afbc 4d7b 82c3 dded2b726dbc sandcastle help file builder with vs2015 extension https github com ewsoftware shfb releases nunit 3 test adapter https marketplace visualstudio com items itemname nunitdevelopers nunit3testadapter then navigate to the sources directory and open the accord net sln solution file note the solution includes f unit test projects that can be disabled unloaded from the solution in case you do not have support for f tools in your version of visual studio with visual studio 2017 please download and install the following dependencies t4 toolbox for visual studio 2017 https github com hagronnestad t4toolbox releases tag vs2017 b1 sandcastle help file builder with vs2017 extension https github com ewsoftware shfb releases nunit 3 test adapter https marketplace visualstudio com items itemname nunitdevelopers nunit3testadapter visual c redistributable for visual studio 2015 https www microsoft com en us download details aspx id 48145 751be11f ede8 5a0c 058c 2ee190a24fa6 both x64 and x86 then navigate to the sources directory and open the accord net sln solution file note the solution includes f unit test projects that can be disabled unloaded from the solution in case you do not have support for f tools in your version of visual studio with mono in linux bash install mono sudo apt get install mono complete monodevelop monodevelop nunit git autoconf make clone the repository git clone https github com accord net framework git enter the directory cd framework build the framework solution using mono autogen sh make build make samples make test with mono in os x bash install mono brew update brew cask install mono mdk pkg config automake clone the repository git clone https github com accord net framework git enter the directory cd framework set some environment variables with osx specific paths export pkg config path library frameworks mono framework versions current lib pkgconfig export mono library frameworks mono framework versions current bin mono export xbuild library frameworks mono framework versions current bin xbuild build the framework solution using mono autogen sh make build make samples make test contributing if you would like to contribute please do so by helping us update the project s wiki pages https github com accord net framework wiki while you could also make a donation through paypal donate https www paypalobjects com en us i btn btn donate lg gif https www paypal com cgi bin webscr cmd s xclick hosted button id n4q6yqspwn8bg flattr flattr this git repo http api flattr com button flattr badge large png https flattr com submit auto user id cesarsouza url https github com accord net framework title accord net language tags github category software or any of the cryptocurrencies shown below as well as fill in bug reports and contribute code in the form of pull requests the most precious donation we could receive would be a bit of your time please take some minutes to submit us more documentation examples to our wiki pages https github com accord net framework wiki wink donate using cryptocurrencies btc 1fc5gxls2tsvuihpp1trlh5mpboqjqghvz eth 0x36fda635ef5773d8b376037d7baff22feb987d92 ltc lnjkzkmdsyncuvg5wnnhdnirdux4q95gdt note all donations are 100 invested towards improving the framework including but not limited to the hiring of extra developers to work on issues currently present at the project s issue tracker if you would like to donate resources towards the development of a particular issue please let us know join the chat at https gitter im accord net framework but to have issues and questions answered post it as an issue https github com accord net framework issues current status before you decide to use the framework for new projects please see the following personal note below i am writing this note to give an official status for the project this project has certainly been the most important thing i have ever created but i could not keep up with maintaining it as well as i wanted this project allowed me to achieve the biggest dream i had and that i never though i would have been able to achieve in my life which was some may laugh and possibly not understand specially if you did not know where i came from starting a new life and a new career here in europe for about 10 years i had worked on this project almost every day of my life but with the new life there came new steps to be climbed and i suddently had new responsabilities and things that i absolutely needed to accomplish very well i started a phd and had to focus on it so i could not keep up maintaining the library for about three years i tried to hire freelance developers to help maintain the project in the meantime i had to be absent and it worked to some extent but at some point i did not have the resources to keep up with the development anymore eventually i developed panic level anxiety since i felt i had left so many people behind by not being able to keep up with the development of the project anymore i found out that i would always avoid opening up the issues page of the project or even checking my own personal e mails just to avoid receiving new inquiries about the status of the project then a few months before my phd defense which happened very well actually microsoft announced that they wanted to make ml net which i actually fully support the standard approach for machine learning in net while this is great news because i fully support ms giving more support for all ml practitioners out there this eventually meant that accord net would eventually become obsolete as ml net was on its path to become the de facto ml library for net in the foreseeing future i think that the reasons above would have been already enough to explain why i decided to not update accord net anymore after that however in addition i have to say that as a researcher and not solely as a developer i have also published in and attended to the most important machine learning conferences in the world to date and under this context i need to say that in the academia world no one has ever heard of the framework or the project itself actually from my experience people in those conferences can laugh or even mistreat you if you ever mention you have ever developed anything in c specially for machine learning as everyone understandably uses python nowadays to accomplish tasks in this domain this happened even when those people were from microsoft itself i could actually understand the reaction as i myself only use python to do my day to day work and while i love c net i have to say that there is nothing that could even remotely compete with python pytorch at this day and age anyways therefore in the past months i have been pondering about archiving the project to avoid that i am willing to make someone who would like also an administrator of the project i am also willing to change the license of any file where i am the single author you can check the copyright headers in each file to mit so people can reuse individual pieces of code more easily anyone who becomes administrator is welcome to slice the parts of the project that still make sense to exist e g the ffmpeg wrappers statistical distributions statistical tests and the simple transforms like pca and even start new libraries hopefully in net core providing only them if wanted also when i started this project back in 2007 and when the original aforge library started even way before that there were almost no other libraries we could built upon so we had to do start almost everything from scratch this is not the case anymore any new libraries coming out of this project should definitely reuse existing libraries for basic tasks such as matrix operations and image processing cesar de souza 10 may 2020 citing please cite this work as bibtex misc souza2014accord title the accord net framework author c e sar souza and andrew kirillov and marcos diego catalano and accord net contributors year 2014 doi 10 5281 zenodo 1029480 url http accord framework net bibtex https zenodo org record 1029481 export hx we0 zcyxeuk | machine-learning framework c-sharp nuget visual-studio statistics unity3d neural-network support-vector-machines computer-vision image-processing ffmpeg | ai |
adroit-development | welcome simplicity is prerequisite for reliability edsger w dijkstra getting started let s get started gitbook assets danielle macinnes iulgi9pwetu unsplash jpg although there are many ways to present complex information such as the underlying design and construction of interconnected software systems my goal here is to provide an easy to follow guide or roadmap to the mental models components and conventions around modern software engineering in the context of building usable scalable and maintainable web applications whether you are pursuing a career in software engineering or you just want to learn how to create web applications and software enabled startups this guide will introduce you to the big puzzle pieces that have proven themselves over the last decade of web development and show signs of continued success in the tech ecosystem we will explore what these pieces are why you want to use them and how to get started with each of them including code samples x20 to make the most of this guide you ll just need an open mind a willingness to try new things and maybe a nugget or an idea that you would like to realize in software be it personal or professional once you grasp the concepts and gain a little bit of hands on experience you will soon find yourself with enhanced capabilities new perspectives on what s possible and excitement about your journeys while structured in a mostly front to back way this guide can be explored according to your curiosity or needs if you feel that you know about each topic quiz yourself with the practice questions contained at the end of each section before moving on entirely once you have covered all of the material spend some time with the advanced sections to build out an mvp minimum viable product and pitch it as your very own startup be sure to ask any questions you encounter and send us your demos along the way we can t wait to see what you come up with onward | cloud |
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SQL---Employee-Database---A-Mystery | sql employee database employee database a mystery in two parts background it is a beautiful spring day and it is two weeks since you have been hired as a new data engineer at pewlett hackard your first major task is a research project on employees of the corporation from the 1980s and 1990s all that remain of the database of employees from that period are six csv files in this assignment you will design the tables to hold data in the csvs import the csvs into a sql database and answer questions about the data in other words you will perform 1 data modeling 2 data engineering 3 data analysis instructions data modeling inspect the csvs and sketch out an erd of the tables feel free to use a tool like http www quickdatabasediagrams com http www quickdatabasediagrams com data engineering use the information you have to create a table schema for each of the six csv files remember to specify data types primary keys foreign keys and other constraints import each csv file into the corresponding sql table data analysis once you have a complete database do the following 1 list the following details of each employee employee number last name first name gender and salary 2 list employees who were hired in 1986 3 list the manager of each department with the following information department number department name the manager s employee number last name first name and start and end employment dates 4 list the department of each employee with the following information employee number last name first name and department name 5 list all employees whose first name is hercules and last names begin with b 6 list all employees in the sales department including their employee number last name first name and department name 7 list all employees in the sales and development departments including their employee number last name first name and department name 8 in descending order list the frequency count of employee last names i e how many employees share each last name | server |
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plusstrap | plusstrap 0 1 0 http xbreaker github com plusstrap plusstrap provides simple and flexible html css and javascript for popular user interface components and interactions in other words it s a front end toolkit for faster more beautiful web development it s forked from twitter bootstrap http twitter github com bootstrap and maintained by xbreaker http twitter com xbreaker to get started checkout http xbreaker github com plusstrap quick start clone the repo git clone git github com xbreaker plusstrap git or download the latest release https github com xbreaker plusstrap zipball master versioning for transparency and insight into our release cycle and for striving to maintain backward compatibility plusstrap will be maintained under the semantic versioning guidelines as much as possible releases will be numbered with the following format major minor patch and constructed with the following guidelines breaking backward compatibility bumps the major and resets the minor and patch new additions without breaking backward compatibility bumps the minor and resets the patch bug fixes and misc changes bumps the patch for more information on semver please visit http semver org bug tracker have a bug please create an issue here on github also when filing please make sure you re familiar with necolas s guidelines https github com necolas issue guidelines thanks 3 https github com xbreaker plusstrap issues twitter account keep up to date on announcements and more by following plusstrap on twitter xbreaker http twitter com xbreaker contributing please make all pull requests against wip branches also if your unit test contains javascript patches or features you must include relevant unit tests thanks authors ayrat belyaev http twitter com xbreaker http github com xbreaker twitter bootstrap authors mark otto http twitter com mdo http github com markdotto jacob thornton http twitter com fat http github com fat copyright and license licensed under the apache license version 2 0 the license you may not use this work except in compliance with the license you may obtain a copy of the license in the license file or at http www apache org licenses license 2 0 unless required by applicable law or agreed to in writing software distributed under the license is distributed on an as is basis without warranties or conditions of any kind either express or implied see the license for the specific language governing permissions and limitations under the license | css bootstrap | front_end |
Illicit-Illustrations | p align center a href https github com blueblaze6335 illicit illustrations img src https github com blueblaze6335 illicit illustrations blob main assets output onlinegiftools gif alt logo width 300 height 200 a p h2 p align center bringing computer vision and flutter together to build an awesome app br h2 p p align center strong explore the directories strong p align center a href https github com blueblaze6335 illicit illustrations blob main flutter files readme md flutter a a href https github com blueblaze6335 illicit illustrations blob main machine 20learning readme md machine learning a p p table of contents details open open summary table of contents summary ol li a href about the project about the project a ul li a href built with built with a li ul li li a href rules rules a li li a href getting started getting started a li li a href roadmap roadmap a li li a href contributing contributing a li li a href license license a li li a href contact contact a li ol details about the project about the project this project is an app for recreating the beauty captured by your mobile device through the eyes of the greatest artists of the world we are using gan models to create filters that can reconstruct the artistic style of the great painters link to apk https drive google com file d 1q5fwzqemplajkh9cob6ufdof7khqi5ku view usp sharing built with technologies used are img src https cdn jsdelivr net npm simple icons 3 0 1 icons dart svg alt dart height 40 align center https dart dev img src https cdn jsdelivr net npm simple icons 3 0 1 icons flutter svg alt flutter height 40 align center https flutter dev img src https cdn jsdelivr net npm simple icons 3 0 1 icons tensorflow svg alt tf height 40 align center https www tensorflow org lite api docs img src https cdn jsdelivr net npm simple icons 3 0 1 icons keras svg alt keras height 40 align center https keras io guides app view p align center img src https github com blueblaze6335 illicit illustrations blob main assets splash screen jpg alt original width 180 height 340 style padding 30px img src https github com blueblaze6335 illicit illustrations blob main assets home screen jpg alt output width 180 height 340 style padding 30px img src https github com blueblaze6335 illicit illustrations blob main assets no filter jpg alt original width 180 height 340 style padding 30px img src https github com blueblaze6335 illicit illustrations blob main assets filter jpg alt output width 180 height 340 style padding 30px p rules follow these rules otherwise your contribution will not be valued follow the students manual https jwoc tech docs student manual thoroughly go to the open issues https github com blueblaze6335 illicit illustrations issues and request for assignment with the proposition of what you want to add to the project with respect to the issue if you have another idea or you have spotted a bug and you dont find them in issues dont be hesistant to raise one do not spam prs pull resquests if you are not assigned to an issue if you are assigned to an issue and your work is done recheck and put all the files together and then submit a pr dont make unnecessary prs for the updation of your single contribution be polite and abstain from using vulgar language name calling and harrassing other contributors or the mentors if you find someone breaking the above rule inform the mentor and also inform the administrators of jwoc mailto admin jwoc tech getting started this project has been categorized into two parts machine learning and flutter machine learning this https github com blueblaze6335 illicit illustrations tree main machine 20learning part deals with computer vision and gans flutter this https github com blueblaze6335 illicit illustrations tree main flutter files part deals with developing the app using flutter framework roadmap see the open issues https github com blueblaze6335 illicit illustrations issues for a list of projects you can work on and learn if you find an interesting issue please comment on it and only after you are assigned you can submit your pr please dont spam pr as it becomes difficult for the maintainers to keep a track on contributions contributing contributing contributions are what make the open source community such an amazing place to learn inspire and create any contributions you make are greatly appreciated your contributions would help other beginners 1 fork the project 2 in the command terminal run the following commands git clone https github com your username illicit illustrations cd illicit illustrations 5 make the changes and add the features to the domains you want to work on 5 commit your changes git commit m add the project 6 push to the branch git push all 7 open a pull request license license distributed under the mit license see license for more information contact contact join us at gdsc jgec https gdsc community dev jalpaiguri government engineering college jalpaiguri mail us at img src https cdn jsdelivr net npm simple icons 3 0 1 icons gmail svg alt gmail height 40 align center mailto pb2306 ece jgec ac in p p join discord img src https cdn jsdelivr net npm simple icons 3 0 1 icons discord svg alt discord height 40 align center https discord gg 4ehzaqvhrg p p | flutter dart flutter-apps tensorflow tflite gans cyclegan style-transfer | ai |
Competitive-Programming-Resources | resources for competitive programming interview prep system design problem solving video tutorials kunal kushwaha s complete dsa bootcamp https www youtube com playlist list pl9gnsghsqcnr dxhsp7aw9ftq0atayyqj errichto https www youtube com channel ucbr fu6q9ihyqch13jmpbrg william lin https www youtube com channel uckudlso0wwef53qdhpjbu2q gaurav sen https www youtube com channel ucrpmaqdtsgd0ipeef7ifskw problems tips cses https cses fi problemset cp algorithms https cp algorithms com dp questions https atcoder jp contests dp tasks google interview questions https leetcode com discuss interview question 352460 google online assessment questions leetcode solutions https twchen gitbook io leetcode hackerearth https www hackerearth com practice dp roadmap https www quora com what are the best ways to master dynamic programming answer sameer gulati 3 math for cp https www quora com how do i get good at math for competitive programming answer sameer gulati 3 graph theory https www quora com how can i be good at graph theory based programming problems in competitive programming answer sameer gulati 3 ds for cp https www quora com what is a list of data structures that a competitive programmer must know answer sameer gulati 3 c string dp https leetcode com discuss general discussion 651719 how to solve dp string template and 4 steps to be followed blogs on cp https technicalbattle blogspot com 2020 05 best blogs on codeforces links for best html blogs on cp https petr mitrichev blogspot com improve dsa skills https www hackerearth com blog developers 7 steps to improve your data structure and algorithm skills coding interview patterns https hackernoon com 14 patterns to ace any coding interview question c5bb3357f6ed interview questions https www quora com q techiedelight 500 data structures and algorithms interview questions and their solutions big o cheatsheet https www bigocheatsheet com system design gaurav sen https www youtube com watch v xpdnvsmnfx0 list plmcxhnjxntnvo6alsjvkgxv vh6epyvox system design primer https github com donnemartin system design primer mock interview https www youtube com watch v vjpfo6kdywe machine coding round practice https workat tech practice engineering blogs articles videos for system design https workat tech system design article best engineering blogs articles videos system design tvwa05b8bzzr platforms to practice codeforces http codeforces com contests codechef https www codechef com leetcode https leetcode com atcoder https atcoder jp contests topcoder https www topcoder com spoj https www spoj com users lebron hackerrank https www hackerrank com dashboard projecteuler https projecteuler net archives hackerearth https www hackerearth com challenges dailycodingproblem https www dailycodingproblem com urionlinejudge https www urionlinejudge com br judge en login workattech dsa interview practice https workat tech problem solving practice tags dsa binarysearch https binarysearch com problem solving books a path to combinatorics for undergraduates competitive programmers handbook antti laaksonen july 2018 competitive programming 3 the new lower bound of programming contests cracking the coding interview 189 programming questions and solutions elements of programming interviews the insider s guide adnan aziz tsung hsien lee amit prakash fifty challenging problems in probability fredrick mosteller guide to competitive programming learning and improving algorithms throughcontests how to solve it a new aspect of mathematical method problem books in mathematics by k bencsath p r halmos the art and craft of problem solving 3rd edition cracking the coding interview 150 programming questions and solutions interview prep pramp https www pramp com interviewing io https interviewing io 12 week programme leetcode https docs google com document d 1wucqhvhydwidk6fjdflsmpgignrgcs4ofzg0wa7jgew online coding hackathons and competitions google kickstart https codingcompetitions withgoogle com kickstart kick start is a global online coding competition consisting of three hour rounds of a variety of algorithmic challenges designed by google engineers participants can compete in one or all online rounds held throughout the year and will have the opportunity to develop and grow their programming abilities while getting a glimpse into the technical skills needed for a career at google top participants may be invited to interview at google google code jam https codingcompetitions withgoogle com codejam google s longest running global coding competition code jam calls on programmers around the world to solve challenging algorithmic puzzles against the clock contestants advance through four online hosted rounds to compete at the annual code jam world finals that is held at a different international google office each year each round brings new challenges and in the end 25 contestants will have the ultimate chance to put their skills to the test vying for cash prizes and the coveted championship title at the world finals google hash code https codingcompetitions withgoogle com hashcode google s team based programming competition hash code allows you to share your skills and connect with other coders as you work together to solve a problem modeled off a real google engineering challenge in small teams of two to four coders all over the world will tackle the first problem through an online qualification round though this round is hosted online teams can come together to compete side by side in locally coordinated hash code hubs the top teams from this round are invited to join us at an international google office for our annual hash code final round facebook hacker cup https www facebook com codingcompetitions hacker cup hacker cup is facebook s annual open programming competition open to participants around the world we invite you to apply problem solving and algorithmic coding skills to advance through each year s online rounds win prizes and have a chance to make it to the global finals and win the grand prize icpc https icpc global the icpc formerly known as acm icpc association for computing machinery international collegiate programming contest is considered as the olympics of programming competitions it is quite simply the oldest largest and most prestigious programming contest in the world this contest is for students only students from same college may form team of 3 reqiured along with 1 reserve optional and with a coach from the faculty member contestants advance through two online hosted rounds to compete at the annual icpc finals that is held at a different international sites each year further details are here https icpc global regionals rules thanks to all the contributors a href https github com kunal kushwaha competitive programming resources graphs contributors img src https contrib rocks image repo kunal kushwaha competitive programming resources a | competitive-programming resources system-design interview-preparation programming-competition programming-interviews skills | os |
cita | img src https github com citahub assets blob master cita logo png raw true width 256 circle ci status https circleci com gh citahub cita svg branch develop https circleci com gh citahub cita all contributors https img shields io badge all contributors 54 orange svg style flat square contributors english readme cn md what is cita cita is a fast and scalable blockchain kernel for enterprises cita supports both native contract and evm contract by which enterprise users can build their own blockchain applications cita has a unique architecture which enables enterprise users to release all their computing resources horizontal scalability with the microservice architecture a logical node can be easily scaled to a cluster of servers node administrators can increase system capacity simply by adding more pc servers on high load the administrator can even use dedicated servers to provide services for hot spot accounts outside one node s boundary nodes communicate with each other using p2p network inside each node microservices communicate with each other by messaging queue https github com citahub citahub docs blob master docs assets cita assets architecture jpg raw true customizable and pluggable components cita s microservices are loosely coupled and their communications are only via the message queue hence it s flexible to improve current components with better algorithms such as new consensus algorithms or more appropriate technical solutions such as new dbs or new privacy solutions moreover business logic is extremely complicated in enterprise applications with cita you can easily customize your blockchain with the certain feature to fit your own business requirements high performance in cita consensus and transaction execution are decoupled as separate microservices the consensus service is only responsible for transaction ordering which can finish independently before transaction execution thus increase transaction processing performance in additional cita also includes lots of other optimizations to fully utilize multi cores and multi servers computing power to this end it utilizes the rust language a hybrid imperative oo functional language with an emphasis on efficiency resiliency and reliability cita provides tools to backup blockchain data by taking snapshot which can help you to resync the blockchain data in a short time and through rust s language level memory and thread guarantees and a disciplined approach to exception handling we can state with a high degree of certainty that our code cannot crash hang or bomb out unexpectedly compatibility cita supports the use of solidity go and rust to develop smart contracts it also supports all ethereum development tools truffle zeppelin remix etc chain interoperability we perceive that independent blockchains are constantly emerging nowadays and even more in the future how do these chains interoperate with each other to form blockchain network cita support cross chain communication by providing a simple cross chain protocol currently more explorations are undertaking in cita aiming to amplify the value of applications running on the various chains engineering experience there re many cita networks running in banks payment and insurance production environment with rivtower or cita integration provider s technical support cita has accumulated a lot of engineering experience whitepaper for more details please check the white paper english https github com citahub cita whitepaper blob master en technical whitepaper md chinese https github com citahub cita whitepaper blob master zh technical whitepaper md document english https docs citahub com en us cita cita intro chinese https docs citahub com zh cn cita cita intro api sdk cita supports json rpc and websocket experimental api v1 for cita api v1 you can use any http client or following sdks java https github com citahub cita sdk java javascript https github com citahub cita sdk js swift https github com citahub cita sdk swift ruby https github com citahub cita sdk ruby rust https github com citahub cita common tree develop cita web3 contributing cita is still in active development building a blockchain platform is a huge task we need your help any contribution is welcome please check contributing github contributing md for more details follow us weibo https weibo com u 7243995427 license fossa status https app fossa com api projects git 2bgithub com 2fcitahub 2fcita svg type shield https app fossa com projects git 2bgithub com 2fcitahub 2fcita ref badge shield cita is currently under apache 2 0 license see the license file for details credits img src https github com citahub assets blob master rivtower logo square png raw true width 256 cita is created by rivtower team with heart contact us email contact rivtower com contributors thanks goes to these wonderful people emoji key https allcontributors org docs en emoji key all contributors list start do not remove or modify this section prettier ignore table tr td align center a href https github com kaikai1024 img src https avatars0 githubusercontent com u 8768261 v 4 width 50px alt kaikai br sub b kaikai b sub a br a href https github com citahub cita commits author kaikai1024 title code a td td align center a href https twitter com zhangyaning1985 img src https avatars0 githubusercontent com u 161756 v 4 width 50px alt zhangyaning br sub b zhangyaning b sub a br a href https github com citahub cita commits author u2 title code a td td align center a href https yangby cryptape github io img src https avatars1 githubusercontent com u 30993023 v 4 width 50px alt boyu yang br sub b boyu yang b sub a br a href https github com citahub cita commits author yangby cryptape title code a td td align center a href https github com rink1969 img src https avatars1 githubusercontent com u 1633038 v 4 width 50px alt zhiwei br sub b zhiwei b sub a br a href https github com citahub cita commits author rink1969 title code a td td align 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href http accu cc img src https avatars3 githubusercontent com u 12387889 v 4 width 50px alt mohanson br sub b mohanson b sub a br a href https github com citahub cita commits author mohanson title code a td td align center a href https www jianshu com u 3457636b07c5 img src https avatars3 githubusercontent com u 17267434 v 4 width 50px alt quanzhan lu br sub b quanzhan lu b sub a br a href https github com citahub cita commits author luqz title code a td tr tr td align center a href https github com duanyytop img src https avatars1 githubusercontent com u 5823268 v 4 width 50px alt duanyytop br sub b duanyytop b sub a br a href https github com citahub cita commits author duanyytop title code a td td align center a href https github com clearloop img src https avatars0 githubusercontent com u 26088946 v 4 width 50px alt clearloop br sub b clearloop b sub a br a href https github com citahub cita commits author clearloop title code a td td align center a href https github com 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github com vinberm img src https avatars0 githubusercontent com u 17666225 v 4 width 50px alt nov br sub b nov b sub a br a href https github com citahub cita commits author vinberm title code a td td align center a href https github com rairyx img src https avatars2 githubusercontent com u 5009854 v 4 width 50px alt rai yang br sub b rai yang b sub a br a href https github com citahub cita commits author rairyx title code a td td align center a href http www huwenchao com img src https avatars0 githubusercontent com u 1630721 v 4 width 50px alt wenchao hu br sub b wenchao hu b sub a br a href https github com citahub cita commits author huwenchao title code a td tr tr td align center a href https github com kayryu img src https avatars1 githubusercontent com u 35792093 v 4 width 50px alt kaiyu br sub b kaiyu b sub a br a href https github com citahub cita commits author kayryu title code a td td align center a href https ashchan com img src https avatars2 githubusercontent com u 1391 v 4 width 50px alt james chen br sub b james chen b sub a br a href https github com citahub cita commits author ashchan title code a td td align center a href https github com rev chaos img src https avatars1 githubusercontent com u 32355308 v 4 width 50px alt rev chaos br sub b rev chaos b sub a br a href https github com citahub cita commits author rev chaos title code a td td align center a href https github com kaoimin img src https avatars1 githubusercontent com u 24822778 v 4 width 50px alt eason gao br sub b eason gao b sub a br a href https github com citahub cita commits author kaoimin title code a td td align center a href http qinix com img src https avatars1 githubusercontent com u 1946663 v 4 width 50px alt eric zhang br sub b eric zhang b sub a br a href https github com citahub cita commits author qinix title code a td td align center a href https github com jasl img src https avatars2 githubusercontent com u 1024162 v 4 width 50px alt jun jiang br sub b jun jiang b sub a br a href https github com citahub cita commits author jasl title code a td td align center a href https blog priewienv me img src https avatars1 githubusercontent com u 9765170 v 4 width 50px alt priewienv br sub b priewienv b sub a br a href https github com citahub cita commits author priewienv title code a td td align center a href https gitter im img src https avatars2 githubusercontent com u 8518239 v 4 width 50px alt the gitter badger br sub b the gitter badger b sub a br a href https github com citahub cita commits author gitter badger title code a td td align center a href https github com classicalliu img src https avatars3 githubusercontent com u 13375784 v 4 width 50px alt cl br sub b cl b sub a br a href https github com citahub cita commits author classicalliu title code a td tr tr td align center a href https github com programmer liu img src https avatars2 githubusercontent com u 25048144 v 4 width 50px alt programmer liu br sub b programmer liu b sub a br a href https github com citahub cita commits author programmer liu title code a td td align center a href https github com yejiayu img src https avatars3 githubusercontent com u 10446547 v 4 width 50px alt jiayu ye br sub b jiayu ye b sub a br a href https github com citahub cita commits author yejiayu title code a td td align center a href https github com qingyanl img src https avatars3 githubusercontent com u 48231505 v 4 width 50px alt liyanzi br sub b liyanzi b sub a br a href https github com citahub cita issues q author 3aqingyanl title bug reports a td td align center a href https github com yujiayiyiyi img src https avatars0 githubusercontent com u 40654430 v 4 width 50px alt jiayi br sub b jiayi b sub a br a href https github com citahub cita commits author yujiayiyiyi title documentation a td td align center a href https github com timmyz img src https avatars0 githubusercontent com u 795528 v 4 width 50px alt timmy zhang br sub b timmy zhang b sub a br a href ideas timmyz title ideas planning feedback a td td align center a href https github com wuyuyue img src https avatars3 githubusercontent com u 40381396 v 4 width 50px alt wu yuyue br sub b wu yuyue b sub a br a href https github com citahub cita commits author wuyuyue title documentation a td td align center a href https github com xiangmeilu img src https avatars2 githubusercontent com u 30581938 v 4 width 50px alt xiangmeilu br sub b xiangmeilu b sub a br a href https github com citahub cita commits author xiangmeilu title documentation a td td align center a href https github com mingxiaowu img src https avatars0 githubusercontent com u 42978282 v 4 width 50px alt mingxiaowu br sub b mingxiaowu b sub a br a href https github com citahub cita issues q author 3amingxiaowu title bug reports a td td align center a href https github com wangfh666 img src https avatars0 githubusercontent com u 41322861 s 400 v 4 width 50px alt wangfh666 br sub b wangfh666 b sub a br a href https github com citahub cita issues q author 3awangfh666 title bug reports a td tr tr td align center a href https github com travis joe img src https avatars3 githubusercontent com u 758756 s 400 u afd8b7951e6417adae042ad2f81af152dbd1a353 v 4 width 50px alt travis joe br sub b travis joe b sub a br a href https github com citahub cita commits author travis joe title document a td td align center a href https github com udld img src https avatars2 githubusercontent com u 16554185 s 400 u d143d210f5b47a06cf040ec66b0f9086f79473d6 v 4 width 50px alt udld br sub b udld b sub a br a href https github com citahub cita commits author udld title document a td td align center a href https github com pencil yao img src https avatars2 githubusercontent com u 20881279 s 400 v 4 width 50px alt yieazy br sub b yieazy b sub a br a href https github com citahub cita commits author pencil yao title code a td td align center a href https github com melonux img src https avatars0 githubusercontent com u 48902925 v 4 width 50px alt shenlei br sub b shenlei b sub a br a href https github com citahub cita commits author melonux title code a td tr table all contributors list end this project follows the all contributors https github com all contributors all contributors specification contributions of any kind welcome | blockchain consensus rust enterprise-users consortium | blockchain |
QMUI_Web | p align center img src https raw githubusercontent com qmui qmuidemo web master public style images independent bannerforgithub 2x png width 220 alt banner p qmui web version number https img shields io npm v generator qmui svg style flat https github com tencent qmui web version number ui ui http qmuiteam com web http qmuiteam com web demo https github com qmui qmuidemo web releases https github com qmui qmuidemo web releases english https github com tencent qmui web tree master docs translations en us readme md https github com tencent qmui web blob master readme md github com tencent qmui web tree master docs translations zh tw readme md build status https travis ci org tencent qmui web svg branch master https travis ci org tencent qmui web build status build status https ci appveyor com api projects status 1h6de3rq6x45nnse svg true https ci appveyor com project kayo5994 qmui web qmui team name https img shields io badge team qmui brightgreen svg style flat https github com qmui qmui team license https img shields io badge license mit blue svg style flat http opensource org licenses mit feel free to contribute qmui web web ui sass qmui web web ui qmui web sass qmui sass ui https github com tencent qmui web wiki q a qmui sass e9 85 8d e7 bd ae e8 a1 a8 e5 92 8c e5 85 ac e5 85 b1 e7 bb 84 e4 bb b6 e5 a6 82 e4 bd 95 e5 b8 ae e5 bf 99 e5 bc 80 e5 8f 91 e8 80 85 e5 bf ab e9 80 9f e6 90 ad e5 bb ba e9 a1 b9 e7 9b ae e5 9f ba e7 a1 80 ui sass qmui web 70 sass mixin function extend sass qmui web qmui web node js https nodejs org 14 0 gulp bash gulp npm install global gulp yeoman http yeoman io generator qmui https github com qmui generator qmui qmui web qmui web bash yeoman npm install g yo qmui npm install g generator qmui yo qmui img src https raw githubusercontent com qmui qmuidemo web master public style images independent generator gif width 842 alt bash public gulp js js style ui css css images images ui dev project sass images gulp images logic widget qmui web qmui web ui html ui html result gulp http qmuiteam com web page start html qui createproject bash ui dev qmui web gulp list http qmuiteam com web page scaffold html issue https github com tencent qmui web issues pull request https github com tencent qmui web pulls http qmuiteam com web page start html qui frameworkimprove sketch dribbble https dribbble com shots 2895907 qmui logo qmui web desktop app qmui web desktop https github com tencent qmui web desktop qmui web gui qmui web img src https raw githubusercontent com qmui qmuidemo web master public style images independent app 2x png width 440 alt qmui web desktop | web-ui sass-framework workflow gulpfile widget-toolkit | front_end |
Reddit_Pipeline | reddit pipeline a data pipeline designed to collect information from the r dataengineering subreddit on reddit the end result is a google data studio report that offers valuable insights into the official subreddit dedicated to the field of data engineering motivation my unwavering motivation stems from my burning desire to take the data engineering expertise i ve acquired and harness the capabilities of looker studio to create insightful visualizations this drive fuels my determination to make data not just a resource but a powerful tool for informed decision making architecture image https github com hamanolla reddit pipeline assets 143839865 bde99af0 8d13 4a24 aa8a ca30fb88064d 1 extract data using redditapi https www reddit com dev api br 2 load into aws s3 https aws amazon com s3 br 3 copy into aws redshift https aws amazon com redshift br 4 transform using dbt https www getdbt com br 5 create google data studio https lookerstudio google com u 0 navigation reporting dashboard br 6 orchestrate with airflow https airflow apache org in docker https www docker com br 7 create aws resources with terraform https www terraform io output analysis on data engineering posts img width 1071 alt image src https github com hamanolla reddit pipeline assets 143839865 1d8d3e9b 4458 463f 87dd 92b508a80684 setup as aws offer a free tier this shouldn t cost you anything unless you amend the pipeline to extract large amounts of data or keep infrastructure running for 2 months however please check aws free tier limits as this may change br 1 overview https github com hamanolla reddit pipeline blob main instructions overview md 2 reddit config https github com hamanolla reddit pipeline blob main instructions reddit 20api 20configuration md 3 aws account https github com hamanolla reddit pipeline blob main instructions aws md 4 terraform https github com hamanolla reddit pipeline blob main instructions terraform md 5 configuration https github com hamanolla reddit pipeline blob main instructions configuration md 6 airflow docker https github com hamanolla reddit pipeline blob main instructions airflow md 7 dashboard https github com hamanolla reddit pipeline blob main instructions final md | cloud |
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MobileDevGroup | mobiledevgroup p this is the github repo for the women who code mobile development group p p please feel free to fork and pull p p initial documentation on logistics and resources can be found in our a href https github com womenwhocode mobilestudygroup wiki wiki a p | front_end |
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PB-LLM | pb llm partially binarized large language models yuzhang shang https 42shawn github io zhihang yuan http hahnyuan com qiang wu zhen dong https dong zhen com equal contribution this work explores network binarization a radical form of quantization compressing model weights to a single bit specifically for large language models llms compression due to previous binarization methods collapsing llms we propose a novel approach partially binarized llm pb llm which can achieve extreme low bit quantization while maintaining the linguistic reasoning capacity of quantized llms specifically our exploration first uncovers the ineffectiveness of na ve applications of existing binarization algorithms and highlights the imperative role of salient weights in achieving low bit quantization thus pb llm filters a small ratio of salient weights during binarization allocating them to higher bit storage i e partially binarization pb llm is extended to recover the capacities of quantized lmms by analyzing from the perspective of post training quantization ptq and quantization aware training qat under ptq combining the concepts from gptq we reconstruct the binarized weight matrix guided by the hessian matrix and successfully recover the reasoning capacity of pb llm in low bit under qat we freeze the salient weights during training explore the derivation of optimal scaling factors crucial for minimizing the quantization error and propose a scaling mechanism based on this derived scaling strategy for residual binarized weights those explorations and the developed methodologies significantly contribute to rejuvenating the performance of low bit quantized llms and present substantial advancements in the field of network binarization for llms the paper is available at arxiv https arxiv org abs 2310 00034 tested models huggingface models facebook opt 125m facebook opt 1 3b facebook opt 6 7b huggyllama llama 7b huggyllama llama 13b usage environment setting if you use conda you can create a new environment and install the dependencies with the following commands shell conda create n binary llm python 3 10 pip install the python dependencies shell pip install torch transformers lm eval accelerate tensorboardx bitsandbytes sentencepiece note python version must 3 10 ptq gptq pb the gptq pb is implemented in the gptq pb gptq pb folder please go to the folder and run the script with the desired arguments usage run py h plot load quantized seed seed nsamples nsamples percdamp percdamp low frac low frac blocksize blocksize groupsize groupsize salient metric magnitude hessian high bit high bit minlayer minlayer maxlayer maxlayer quant only quant only invert save disable gptq log wandb model wikitext2 ptb c4 xnor sign no 2bit 4bit prune positional arguments model model to load for example huggyllama llama 7b wikitext2 ptb c4 where to extract calibration data from xnor sign no 2bit 4bit prune quantization method xnor is the method used in paper prune is the method used in sparsegptq low frac low frac fraction of binarized weight salient metric magnitude hessian metric to measure salient weights for example shell cd gptq pb for llama 7b cuda visible devices 1 python run py huggyllama llama 7b c4 xnor low frac 0 5 high bit 8 salient metric hessian cuda visible devices 2 python run py huggyllama llama 7b c4 xnor low frac 0 8 high bit 8 salient metric hessian cuda visible devices 3 python run py huggyllama llama 7b c4 xnor low frac 0 9 high bit 8 salient metric hessian cuda visible devices 0 python run py huggyllama llama 7b c4 xnor low frac 0 95 high bit 8 salient metric hessian qat the qat for pb llm is implemented in the experiments experiments folder for example shell for opt 1 3b cuda visible devices 4 5 xdg cache home data shangyuzhang python experiments column quant frozen outliers py binarization method xnor outlier model save dir checkpoints opt1 3b granularity whole model model id facebook opt 1 3b train step 2000 dataset red pajama it will automatically evaluated on 7 zero shot qa tasks | neural-networks quantization | ai |
Recife-Pontos-Website | webdev grupo pt br trabalho em grupo para a disciplina de programa o web e mobile 2021 1 feito por gleice kelly jo o tavares e jos rodolfo english group work for the 2021 1 class inf1144 mobile and web development by gleice kelly jo o tavares e jos rodolfo | front_end |
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Assembly | assembly this repository have all the programs developed on assembly during the course embedded systems design that i took on the second semester of 2021 at the ntust the codes were ran on the arduino uno board purpose of the labs lab2 binary coded decimal counter using seven segment display the purpose of this lab is to introduce the students to embedded systems the students need to design a 4 digit seven segment display counter hint think about how to build a bcd counter and decode the bcd value to a seven segment display lab3 dht11 humidity and temperature sensor to seven segment display the purpose of this lab is to introduce the students to a one wire protocol device used with embedded systems and for the student to learn about one wire protocol the students need to design a one wire dht11 to 4 digit seven segment display hint think about how to decode the dht11 sensor and convert it to bcd for use on the 4 digit seven segment display lab4 displaying dht11 information with led matrix the purpose of this lab is to introduce the students to a how shift registers 74hc595 as io expanders by displaying dht11 collected information via an 8x8 led dot matrix 1588bs display lab5 embedded system design lab 5 musical keyboard with display the purpose of this lab is to introduce the students to waveform generation using interrupts by displaying info unique message via an 8x8 led dot matrix 1588bs display | os |
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PRMLT | introduction this matlab package implements machine learning algorithms described in the great textbook pattern recognition and machine learning by c bishop prml http research microsoft com en us um people cmbishop prml it is written purely in matlab language it is self contained there is no external dependency note this package requires matlab r2016b or latter since it utilizes a new matlab syntax called implicit expansion https cn mathworks com help matlab release notes html rntext implicit expansion startrelease r2016b endrelease r2016b groupby release sortby descending a k a broadcasting it also requires statistics toolbox for some simple random number generator and image processing toolbox for reading image data design goal succinct the code is extremely compact minimizing code length is a major goal as a result the core of the algorithms can be easily spotted efficient many tricks for speeding up matlab code are applied e g vectorization matrix factorization etc usually functions in this package are orders faster than matlab builtin ones e g kmeans robust many tricks for numerical stability are applied such as computing probability in logrithm domain square root matrix update to enforce matrix symmetry pd etc readable the code is heavily commented corresponding formulas in prml are annoted symbols are in sync with the book practical the package is not only readable but also meant to be easily used and modified to facilitate ml research many functions in this package are already widely used see matlab file exchange http www mathworks com matlabcentral fileexchange term authorid 3a49739 installation 1 download the package to a local folder e g prmlt by running console git clone https github com prml prmlt git 2 run matlab and navigate to the folder prmlt then run the init m script 3 run some demos in prmlt demo folder enjoy feedback if you find any bug or have any suggestion please do file issues i am graceful for any feedback and will do my best to improve this package license released under mit license contact sth4nth at gmail dot com | matlab machine-learning prml algorithms machine-learning-algorithms | ai |
Software-Engineering-Project | software engineering project the parctical project a simplified university app with firebase as databases of software engineering course | server |
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Learn_Machine_Learning_in_3_Months | learn machine learning in 3 months this is the curriculum for learn machine learning in 3 months this https youtu be cr6vqtro1v0 video by siraj raval on youtube month 1 week 1 linear algebra https www youtube com watch v kjboeszcoqc index 1 list plzhqobowtqdpd3mizzm2xvfitgf8he ab https ocw mit edu courses mathematics 18 06 linear algebra spring 2010 week 2 calculus https www youtube com playlist list plzhqobowtqdmsr9k rj53dwvrmyo3t5yr week 3 probability https www edx org course introduction probability science mitx 6 041x 2 week 4 algorithms https www edx org course algorithm design analysis pennx sd3x month 2 week 1 learn python for data science https www youtube com watch v t5prlibr6gg list pl2 dafemk2a6qkz1mrk1uigfhkc1zz6uu math of intelligence https www youtube com watch v xrjcoz3afyy list pl2 dafemk2a7mu0bskscgmjemeddu h4d intro to tensorflow https www youtube com watch v 2fmchilcwtu list pl2 dafemk2a7eeme489dsi468ab0wqsmv week 2 intro to ml udacity https eu udacity com course intro to machine learning ud120 week 3 4 ml project ideas https github com nirantk awesome project ideas month 3 deep learning week 1 intro to deep learning https www youtube com watch v voppzhpvtiq list pl2 dafemk2a7ydkv4xfkpfbth5z6reej3 week 2 deep learning by fast ai http course fast ai week 3 4 re implement dl projects from my github https github com llsourcell tab repositories additional resources people in ml to follow on twitter https www quora com who should i follow on twitter to get useful and reliable machine learning information quora com join the wizards slack channel http wizards herokuapp com herokuapp com | ai |
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My-Flutter-Project_Firnds_Planner | my flutter project about this is a flutter project that served as a valuable learning experience for me throughout this project i had the opportunity to explore various aspects of mobile app development and integrate aws amplify https aws amazon com amplify for backend services you can follow these steps to create your own app build a flutter mobile app using aws amplify https aws amazon com getting started hands on build flutter mobile app part one module four key learnings aws integration i learned how to integrate aws services into my flutter project using the amplify cli https docs amplify aws cli this allowed me to leverage powerful backend functionality for my app module development the project was divided into several modules each with its unique challenges i gained hands on experience in cloning and updating a flutter app implementing features like displaying past trips and activities and creating and managing user profiles prerequisites before starting this project i ensured i had the necessary prerequisites in place including an aws account https aws amazon com amplify cli https docs amplify aws cli start install flutter environment https flutter dev docs get started install git https git scm com and a code editor these tools were crucial for a smooth development process reflection this project was a valuable journey in mobile app development it allowed me to apply my knowledge and learn new skills along the way building features like past trip display activity management and user profiles enriched my understanding of app architecture and user experience tech tools used throughout this journey i relied on vscode https code visualstudio com as a text editor aws account essential for cloud based services amplify cli https docs amplify aws cli simplifying aws integration flutter https flutter dev my primary mobile app development platform git https git scm com for version control and collaboration | server |
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SWEN304 | swen304 database system engineering the course addresses fundamental principles underlying databases and database management systems it covers the structure and principles of the relational data model including sql and the principled design of the relational database schema it also addresses issues in database transaction procession concurrency control recovery and the complexity of query processing | server |
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Blockchain-dark-forest-selfguard-handbook | blockchain dark forest selfguard handbook br master these master the security of your cryptocurrency br fire website https darkhandbook io br cn readme cn md br jp readme jp md br note v1 update logs please see the chinese version author cos slowmist team br contact me twitter evilcos https twitter com evilcos jpg translator alphatu https twitter com alphatu4 c cj https twitter com 0xnjars jz https twitter com scorpionzhang lovepeace https twitter com lovepeace 53 neethan https mobile twitter com neethanverse pseudoyu https twitter com pseudo yu sassypanda https twitter com sassypandacap ss xl https twitter com leixing0309 proofreader sassypanda https twitter com sassypandacap jz https twitter com scorpionzhang neethan https mobile twitter com neethanverse alphatu https twitter com alphatu4 pseudoyu https twitter com pseudo yu alt this res this png anchor contents prologue prologue a diagram a diagram create a wallet create a wallet download download mnemonic phrase mnemonic phrase keyless keyless back up your wallet back up your wallet mnemonic phrase private key mnemonic phrase private key encryption encryption how to use your wallet how to use your wallet aml aml cold wallet cold wallet hot wallet hot wallet what is defi security what is defi security nft security nft security be careful with signing be careful with signing be careful with counter intuitive signatures requests be careful with counter intuitive signatures requests some advanced attacking methodologies some advanced attacking methodologies traditional privacy protection traditional privacy protection operation system operation system mobile phone mobile phone network network browsers browsers password manager password manager two factor authentication two factor authentication scientific internet surfing scientific internet surfing email email sim card sim card gpg gpg segregation segregation security of human nature security of human nature telegram telegram discord discord official phishing official phishing web3 privacy issues web3 privacy issues blockchain shenanigans blockchain shenanigans what to do when you get hacked what to do when you get hacked stop loss first stop loss first protect the scene protect the scene root cause analysis root cause analysis source tracing source tracing conclusion of cases conclusion of cases misconception misconception code is law code is law not your keys not your coins not your keys not your coins in blockchain we trust in blockchain we trust cryptographic security is security cryptographic security is security is it humiliating to be hacked is it humiliating to be hacked immediately update immediately update conclusion conclusion appendix appendix security rules and principles security rules and principles contributors contributors official sites official sites prologue first of all congratulations for finding this handbook no matter who you are if you are a cryptocurrency holder or you want to jump into the crypto world in the future this handbook will help you a lot you should read this handbook closely and apply its teachings in real life additionally to understand this handbook completely requires some background knowledge however please do not worry as for beginners do not be afraid of the knowledge barriers which can be overcome if you encounter something that you don t understand and need to explore more google is highly recommended also it is important to keep one security rule in mind be skeptical no matter what information you see on the web you should always seek out at least two sources for cross reference again always be skeptical including the knowledge mentioned in this handbook blockchain is a great invention that brings about a change in production relations and solves the problem of trust to some degree specifically blockchain creates many trust scenarios without the need for centralization and third parties such as immutability execution as agreed and prevention of repudiation however the reality is cruel there are many misunderstandings about blockchain and the bad guys will use these misunderstandings to exploit the loophole and steal money from people causing a lot of financial losses today the crypto world has already become a dark forest please remember the following two security rules to survive the blockchain dark forest 1 zero trust to make it simple stay skeptical and always stay so 2 continuous security validation in order to trust something you have to validate what you doubt and make validating a habit note the two security rules above are the core principles of this handbook and all the other security principles mentioned in this handbook are derived from them okay that s all for our introduction let s start with a diagram and explore this dark forest to see what risks we will encounter and how we should deal with them a diagram res web3 hacking map jpg you can skim through this diagram before taking a closer look at the rest of the handbook it is all about the key activities in this world whatever you want to call it blockchain cryptocurrency or web3 which consists of three main processes creating a wallet backing up a wallet and using a wallet let s follow these three processes and analyze each of them create a wallet the core of the wallet is the private key or seed phrase here s how the private key looks like 0xa164d4767469de4faf09793ceea07d5a2f5d3cef7f6a9658916c581829ff5584 in addition here s how the seed phrase looks like cruel weekend spike point innocent dizzy alien use evoke shed adjust wrong note we are using ethereum as an example here please check out more details of private keys seed phrase yourself the private key is your identify if the private key is lost stolen then you lost your identify there are many well known wallet applications and this handbook won t cover all of them however i will mention some specific wallets please note the wallets mentioned here can be trusted to some degree but i cannot guarantee they will have no security issues or risks expected or not during use i won t repeat more please always keep in mind the two main security rules mentioned in the prologue classified by application there are pc wallets browser extension wallets mobile wallets hardware wallets and web wallets in terms of internet connection they can be mainly divided into cold wallets and hot wallets before we jump into the crypto world we must first think about the purpose of the wallet the purpose not only determines which wallet we should use but also how we use the wallet no matter what kind of wallet you choose one thing is for sure after you have enough experience in this world one wallet is not enough here we should keep in mind another security principle isolation i e don t put all your eggs in one basket the more frequently a wallet is used the more risky it is always remember when trying anything new first prepare a separate wallet and try it out for a while with a small amount of money even for a crypto veteran like me if you play with fire you are more easily to get burned download this sounds simple but in fact it is not easy the reasons are as follows 1 many people cannot find the real official website or the right application market and eventually install a fake wallet 2 many people do not know how to identify whether the downloaded application has been tampered or not thus for many people before they enter the blockchain world their wallet is already empty to solve the first problem above there are some techniques to find the correct official website such as using google using well known official websites such as coinmarketcap asking trusted people and friends you can cross reference the information obtained from these different sources and ultimately there is only one truth congratulations you have found the correct official website next you have to download and install the application if it is a pc wallet after downloading from the official website you need to install it yourself it is highly recommended to verify whether the link has been tampered before installation although this verification may not prevent cases where the source code was altered completely due to insider scam internal hacking or the official website may be hacked etc however it can prevent cases such as the partial tampering of the source code man in the middle attack etc the method to verify whether a file has been tampered is the file consistency check usually there are two ways hash checks such as md5 sha256 etc md5 works for most cases but there is still a tiny risk of hash collision so we generally choose sha256 which is safe enough gpg signature verification this method is also very popular it is highly recommended to master gpg tools commands and methods although this method is a bit difficult for newcomers you will find it very useful once you get familiar with it however there are not many projects in the crypto world that provides verification so it is lucky to find one for example here is a bitcoin wallet called sparrow wallet its download page says verifying the release which is really impressive and there are clear guidelines for both of the methods mentioned above so you can use for reference https sparrowwallet com download the download page mentioned two gpg tools gpg suite for macos gpg4win for windows if you pay attention you will find the download pages for both gpg tools give some instructions on how to check the consistency of both methods however there is no step by step guide that is to say you need to learn and practice yourself if it is a browser extension wallet such as metamask the only thing you have to pay attention to is the download number and rating in the chrome web store metamask for example has more than 10 million downloads and more than 2 000 ratings though the overall rating is not high some people might think that the downloads numberand ratings may be inflated truth to be told it is very difficult to fake such a large number the mobile wallet is similar to the browser extension wallet however it should be noted that the app store has different versions for each region cryptocurrency is banned in mainland china so if you downloaded the wallet with your chinese app store account there is only one suggestion don t use it change it to another account in a different region such as the us and then re download it besides the correct official website will also lead you to the correct download method such as imtoken trust wallet etc it is important for official websites to maintain high website security if the official website is hacked there will be big problems if it is a hardware wallet it is highly recommended to buy it from the official website do not buy them from online stores once you receive the wallet you should also pay attention to whether the wallet is inact of course there are some shenanigans on the packaging that are hard to detect in any case when using a hardware wallet you should create the seed phrase and wallet address at least three times from scratch and make sure that they are not repeated if it is a web wallet we highly recommend not to use it unless you have no choice make sure it is authentic and then use it sparingly and never rely on it mnemonic phrase after creating a wallet the key thing that we deal with directly is the mnemonic phrase seed phrase not the private key which is easier to remember there are standard conventions for mnemonic phrases e g bip39 there are 12 english words in general it could be other numbers multiples of 3 but not more than 24 words otherwise it is too complicated and not easy to remember if the number of words is less than 12 the security is not reliable it is common to see 12 15 18 21 24 words in the blockchain world 12 word is popular and secure enough however there are still hardcore hardware wallets such as ledger that starts with 24 words in addition to english words some other languages are also available such as chinese japanese korean and so on here is a 2048 words list for reference https github com bitcoin bips blob master bip 0039 bip 0039 wordlists md when creating a wallet your seed phrase is vulnerable please be aware that you are not surrounded by people or webcams or anything else that can steal your seed phrase also please pay attention to whether the seed phrase is randomly generated normally well known wallets can generate a sufficient number of random seed phrases however you should always be careful it s hard to know whether there s something wrong with the wallet be patient because it can be very beneficial to develop these habits for your security lastly sometimes you can even consider disconnecting from the internet to create a wallet especially if you are going to use the wallet as a cold wallet disconnecting from the internet always works keyless keyless means no private key here we divide keyless into two major scenarios for ease of explanation such division is not industry standard custodial examples are centralized exchange and wallet where users only need to register accounts and do not own the private key their security is completely dependent on these centralized platforms non custodial the user has a private key like control power which is not an actual private key or seed phrase it relies on well known cloud platforms for hosting and authentication authorization hence the security of the cloud platform becomes the most vulnerable part others make use of secure multi party computing mpc to eliminate single point of risk and also partner with popular cloud platforms to maximise user experience personally i have used various kinds of keyless tools centralized exchanges with deep pockets and good reputations provide the best experience as long as you are not personally responsible for losing the token such as if your account information was hacked centralized exchanges will usually reimburse your loss the mpc based keyless program looks very promising and should be promoted i have good experience withzengo fireblocks and safeheron the advantages are obvious mpc algorithm engineering is becoming more and more mature on the well known blockchains and only needs to be done for private keys one set of ideas can solve the problem of different blockchains having vastly different multi signature schemes creating a consistent user experience which is what we often call universal multi signature it can ensure that the real private key never appears and solve the single point of risk through multi signature calculation combined with cloud or web2 0 technology makes mpc not only secure but also creates a good experience however there are still some disadvantages not all open source projects can meet the accepted standards of the industry more work needs to be done many people basically only use ethereum or evm based blockchain as such a multi signature solution based on smart contract approach like gnosis safe is enough overall no matter which tool you use as long as you feel safe and controllable and have a good experience it s a good tool so far we have covered what we need to be aware of regarding the creation of wallets other general security issues will be covered in later sections back up your wallet this is where many good hands would fall into traps including myself i did not back up properly and i knew it would happen sooner or later luckily it was not a wallet with a large amount of assets and friends at slowmist helped me recover it still it was a scary experience which i don t think anyone would ever want to go through so buckle up and let s learn how to back up your wallet safely mnemonic phrase private key when we talk about backing up a wallet we are essentially talking about backing up the mnemonic phrase or the private key for convenience we will use the mnemonic phrase in the following most mnemonic phrases can be categorized as follows plain text with password multi signature shamir s secret sharing or sss for short i will briefly explain each type plain text plain text is easy to understand once you have those 12 english words you own the assets in the wallet you can consider doing some special shuffling or even replace one of the words with something else both would increase the difficulty for hackers to hack into your wallet however you would have a big headache if you forget about the rules your memory isn t bulletproof trust me your memory will tangle up after several years a few years ago when i used the ledger hardware wallet i changed the order of the 24 word mnemonic phrase after a few years i forgot the order and i wasn t sure if i had replaced any word as mentioned earlier my problem was solved with a special code breaker program that uses brute force to guess the correct sequence and words with password according to the standard mnemonic phrases can have a password it s still the same phrase but with the password a different seed phrase will be obtained the seed phrase is used to derive a series of private keys public keys and corresponding addresses so you should not only back up the mnemonic phrases but also the password by the way private keys can also have a password and it has its own standards such as bip 38 for bitcoin and keystore for ethereum multi signature as the name suggests it requires signatures from multiple people to access wallets it s very flexible as you can set your own rules for example if there re 3 people have the key mnemonic words or private keys you can require at least two persons to sign to access the wallets each blockchain has its own multi signature solution most well known bitcoin wallets support multi signature however in ethereum multi signature is mainly supported through smart contracts such as gnosis safe furthermore mpc or secure multi party computation is becoming more and more popular it provides an experience similar to the traditional multi signature but with different technology unlike multi signature mpc is blockchain agnostic and can work with all protocols sss shamir s secret sharing sss breaks down the seed into multiple shares normally each share contains 20 words to recover the wallet a specified number of shares has to be collected and used for details refer to the industry best practices below https support keyst one advanced features recovery phrase import or create shamir backup br https wiki trezor io shamir backup using solutions such as multi signature and sss will give you peace of mind and avoid single point risks but it could make management relatively complicated and sometimes multiple parties will be involved there is always a compromise between convenience and security it is up to the individual to decide but never be lazy in principles encryption encryption is a very very broad concept it doesn t matter if the encryption is symmetric asymmetric or uses other advanced technologies as long as an encrypted message can be easily decrypted by you or your emergency handling team easily but nobody else after decades it is good encryption based on the security principle of zero trust when we are backing up wallets we have to assume that any step could be hacked including physical environments such as a safe keep in mind that there is no one other than yourself who can be fully trusted in fact sometimes you can t even trust yourself because your memories may fade away or misplaced however i won t make pessimistic assumptions all the time otherwise it would lead me to some unwanted results when backing up special consideration must be given to disaster recovery the main purpose of disaster recovery is to avoid a single point of risk what would happen if you are gone or the environment where you store the backup is down therefore for important stuff there must be a disaster recovery person and there must be multiple backups i won t elaborate too much on how to choose the disaster recovery person because it depends on who you trust i will focus on how to do the multi backups let s take a look at some basic forms of backup locations cloud paper device brain cloud many people don t trust backup on cloud they think it is vulnerable to hacker attacks at the end of the day it is all about which side the attacker or the defender put in more effort in terms of both manpower and budgets personally i have faith in cloud services powered by google apple microsoft etc because i know how strong their security teams are and how much they have spent on security in addition to fighting against external hackers i also care a lot about internal security risk control and private data protection the few service providers i trust are doing a relatively better job in these areas but nothing is absolute if i choose any of these cloud services to back up important data such as wallets i will definitely encrypt the wallets at least one more time i strongly recommend mastering gpg it can be used for the signature verification and provides strong security of encryption and decryption in the meantime you can learn more about gpg at https www ruanyifeng com blog 2013 07 gpg html okay you have mastered gpg now that you have encrypted related data in your wallet mnemonic phrase or private key with gpg in an offline secured environment you can now throw the encrypted files directly into these cloud services and save it there all will be good but i need to remind you here never lose the private key to your gpg or forget the password of the private key at this point you might find this extra level of security is quite troublesome you have to learn about gpg and back up your gpg private key and passwords in reality if you have done all the aforementioned steps you are already familiar with the process and won t find it as difficult or troublesome i will say no more because practice makes perfect if you want to save some effort there is another possibility but its security may be discounted i can t measure the exact discount but sometimes i would be lazy when i would use some well known tools for assistance that tool is 1password the latest version of 1password already supports direct storage of wallet related data such as mnemonic words passwords wallet addresses etc which is convenient for users other tools such as bitwarden can achieve something similar but they are not as convenient paper many hardware wallets come with several high quality paper cards on which you can write down your mnemonic phrases in plaintext sss etc in addition to paper some people also use steel plates fire resistant water resistant and corrosion resistant of course i have not tried those test it after you copy over the mnemonic phrases and if everything works put it in a place where you feel secure such as in a safe i personally like using paper a lot because if properly stored paper has a much longer lifespan than electronics device it refers to all kinds of equipment electronics are a common type for backup such as a computer an ipad an iphone or a hard drive etc depending on personal preference we also have to think about the secure transmission between devices i feel comfortable using peer to peer methods such as airdrop and usb where it is difficult for a middleman to hijack the process i am just naturally uneasy about the fact that electronic equipment may break down after a couple of years so i maintain the habit of checking the device at least once a year there are some repeated steps such as encryption which you can refer to the cloud section brain relying on your memory is exciting in fact everyone has their own memory palace memory is not mysterious and can be trained to work better there are certain things that are indeed safer with memory whether to rely solely on the brain is a personal choice but pay attention to two risks firstly memory fades away as time goes and could cause confusion the other risk is that you may have an accident i will stop here and let you explore more now you are all backed up don t encrypt too much otherwise you will suffer from yourself after several years according to the security principle of continuous verification your encryption and backup methods whether excessive or not must be verified continuously both regularly as well as randomly the verification frequency depends on your memory and you do not have to complete the whole process as long as the process is correct partial verification also works finally it is also necessary to pay attention to the confidentiality and security of the authentication process okay let s take a deep breath here getting started is the hardest part now that you are ready let s enter this dark forest how to use your wallet once you have created and backed up your wallets it comes to the real challenge if you don t move around your assets frequently or you barely interact with any smart contracts of defi nft gamefi or web3 the popular term referred to frequently these days your assets should be relatively safe aml however relatively safe doesn t mean no risk at all cause you never know which comes first tomorrow or accidents right why is it think about it where did you get the cryptocurrency it didn t just come from nowhere right you may encounter aml anti money laundering on all the cryptocurrencies you get any time this means that the cryptocurrency you re holding at the moment may be dirty and if you re not lucky it may even be frozen directly on the chain according to public reports tether once freezed some usdt assets as per request from law enforcement agencies the list of frozen funds can be found here https dune xyz phabc usdt banned addresses you can verify if an address is frozen by tether from the usdt contract https etherscan io token 0xdac17f958d2ee523a2206206994597c13d831ec7 readcontract img src res usdt isblacklisted png width 700 use the target wallet address as input int isblacklisted to check other chains that take usdt have similar verification way however your btc and eth should never ever get frozen if this does happen one day in the future the belief of decentralization would crash as well most cryptocurrency asset frozen cases we have heard today actually happened in centralized platforms such binance coinbase etc but not on the blockchain when your cryptocurrency stays in centralized exchange platforms you don t actually own any of them when the centralized platforms freeze your account they are actually revoking your permission to trade or withdraw the concept of freezing could be misleading to newbies in the area as a result some reckless self media would spread all kinds of conspiracy theories about bitcoin though your btc and eth assets won t be frozen on the blockchain centralized exchanges might freeze your assets according to the requirement of aml once your assets get transferred into these platforms and they are involved in any open cases that law enforcements are working on to better avoid aml issues always choose platforms and individuals with a good reputation as your counterparty there are actually a few solutions for this type of problem for example on ethereum almost all bad guys and people who care a lot about their privacy use tornado cash for coin mixing i won t dig any more into this topic since most methods here are being used for doing evil cold wallet there are different ways to use a cold wallet from a wallet s perspective it can be considered as a cold wallet as long as it s not connected to any network but how to use it when it s offline first of all if you just want to receive cryptocurrency it s not a big deal a cold wallet could provide excellent experience by working with a watch only wallet such as imtoken trust wallet etc these wallets could be turned into watch only wallets by simply adding target wallet addresses if we want to send cryptocurrency using cold wallets here are the most commonly used ways qrcode usb bluetooth all of these require a dedicated app called light app here to work with the cold wallet the light app will be online along with the aforementioned watch only wallet once we understand the underlying essential principle we should be able to understand these approaches the essential principle is eventually it s just a matter of figuring out how to broadcast signed content onto the blockchain detailed process is as follows the content to be signed is transmitted by the light app to the cold wallet by one of these means the signature is processed by the cold wallet that has the private key and then transmitted back to the light app using the same way the light app broadcasts the signed content on the blockchain so no matter which method is used qr code usb or bluetooth it should be following the above process of course details might vary from different methods for example qr code has a limited information capacity so when the signature data is too large we would have to split it up it seems to be a bit troublesome but it becomes better when you get used to it you would even feel a full sense of security however don t consider it 100 secure because there are still risks here and there have been many cases of heavy losses because of these risks here are risk points the target address of the coin transfer was not checked carefully resulting in the coin being transferred to someone else people are lazy and careless sometimes for example most of the time they only check the beginning and ending few bits of a wallet address instead of fully checking the whole address this leaves a backdoor to bad guys they will run programs to get the wallet address with the same first and last few bits as your desired target address and then replace your coin transfer target address with the one under their control using some tricks coins are authorized to unknown addresses usually authorization is the mechanism of the ethereum smart contract tokens the approve function with one argument being the target authorization address and the other being the quantity many people don t understand this mechanism so they may authorize an unlimited number of tokens to the target address at which point the target address has permission to transfer all those tokens away this is called authorized coin theft and there are other variants of the technique but i won t expand on it here some signatures that seem not important actually have huge traps in the back and i won t dig into it now but will explain the details later the cold wallet may not have provided enough necessary information causing you to be careless and misjudged it all boils down to two points the user interaction security mechanism of what you see is what you sign is missing lack of relevant background knowledge of the user hot wallet compared to a cold wallet a hot wallet has basically all the risks that a cold wallet would have plus there is one more the risk of theft of the secret phrase or private key at this point there are more security issues to consider with hot wallets such as the security of the runtime environment if there are viruses associated with the runtime environment then there is a risk of getting stolen there are also hot wallets that have certain vulnerabilities through which the secret phrase can be directly stolen in addition to the regular coin transfer function if you want to interact with other dapps defi nft gamefi etc you either have to access them directly with your own browser or interact with the dapps opened in your pc browser via the walletconnect protocol note references of dapps in this handbook refer by default to smart contract projects running on the ethereum blockchains by default such interactions do not lead to secret phrase theft unless there is a problem with the wallet security design itself from our security audits and security research history there is a risk of wallet secret phrases being stolen directly by malicious javascript on the target page however this is a rare case as it is actually an extremely low level mistake that no well known wallet is likely to make none of these are actually my actual concerns here they are manageable for me and for you too my biggest concern concern is how does each iteration of a well known wallet ensure that no malicious code or backdoor is planted the implication of this question is clear i verified that the current version of the wallet has no security issues and i m comfortable using it but i don t know how secure the next version will be after all i or my security team can t have that much time and energy to do all the verifications there have been several incidents of coin theft caused by malicious code or backdoors as described here such as copay atoken etc you can search for the specific incidents yourself in this case there are several ways of doing evil when the wallet is running the malicious code packages and uploads the relevant secret phrase directly into the hacker controlled server when the wallet is running and the user initiates a transfer information such as the target address and amount is secretly replaced in the wallet backend and it is difficult for the user to notice corrupting the random number entropy values associated with the generation of secret phrases which makes them relatively easy to decipher security is a thing of ignorance and knowledge and there are many things that could be easily ignored or missed so for wallets that hold important assets my security rule is also simple no easy updates when it s enough to use what is defi security when we talk about dapp it could be defi nft or gamefi etc the security fundamentals of these are mostly the same but they will have their respective specifics let s first take defi as an example to explain when we talk about defi security what exactly do we mean people in the industry almost always only look at smart contracts it seems that when smart contracts are good everything will be fine well actually this is far from true defi security includes at least the following components smart contract security blockchain foundation security frontend security communication security human security financial security compliance security smart contract security smart contract security is indeed the most important entry point for security audit and slowmist s security audit standards for smart contracts can be found at https www slowmist com service smart contract security audit html for advanced players if the security of the smart contract part itself is controllable whether they can audit themselves or understand security audit reports issued by professional organizations then it doesn t matter if the other parts are secure controllable is a tricky concept some of which depends on the player s own strength for example players have certain requirements in respect of the risk from excessive smart contract authority if the project itself is strong and the people behind it have a good reputation complete centralization would not matter however for those less well known controversial or emerging projects if you realize that the project s smart contracts possess excessive permission risk especially if such permissions can also affect your principal or earnings you will certainly be reluctant the risk of excessive permission is very subtle in many cases it is in place for the admin of the project to conduct relevant governance and risk contingency but for users this is a test on human nature what if the team decides to do evil so there is a trade off practice in the industry adding timelock to mitigate such risks of excessive permission for example compound an established and well known defi project the core smart contract modules comptroller and governance both havetimelock mechanism added to their admin permission br comptroller 0x3d9819210a31b4961b30ef54be2aed79b9c9cd3b br governance 0xc0da02939e1441f497fd74f78ce7decb17b66529 br the admin these 2 modulesis br timelock 0x6d903f6003cca6255d85cca4d3b5e5146dc33925 you can directly find out on chain that the timelock delay variable is 48 hours 172 800 seconds img src res compound timelock png width 700 that is to say if the admin of compound needs to change some key variables of the target smart contract the transaction will be recorded after it is initiated on the blockchain but 48 hours must be waited before the transaction can be finalized and executed this means that if you would like you can audit every single operation from the admin and you will have at least 48 hours to act for example if you are unsure you can withdraw your funds within 48 hours another way to mitigate the risk of excessive permission of admin is to add multi signature such as using gnosis safe for multisig management so that there will at least be no dictator it should be noted here that multisig can be the emperor s new clothes for example one person may hold multiple keys therefore the multisig strategy of the target project needs to be clearly stated who holds the keys and the identity of each key holder must be reputable it is worth mentioning here that any security strategy may lead to the problem of the emperor s new clothes which the strategy may appear to be well done but in reality is not resulting in an illusion of security take another example timelock looks good on paper actually there have been cases where timelock deployed by some projects has backdoors generally users don t look into the source code of timelock and they would not necessarily understand it even if they do so the admin puts a backdoor there and no one would really notice for a long enough time in addition to the risk of excessive permission other elements of smart contract security are also critical however i will not expand here in consideration of the prerequisites for understanding here is my advice you should at least learn to read the security audit report and practice makes perfect blockchain foundation security blockchain foundation security refers to the security of the blockchain itself such as consensus ledger security virtual machine security etc if the security of the blockchain itself is worrisome the smart contract projects running on the chain would suffer directly it is so important to choose a blockchain with sufficient security mechanism and reputation and better with a higher probability of longevity frontend security frontend security is really the devil it is too close to the users and it is especially easy to fool users into deception perhaps everyone s main focus is on the wallet and smart contract security resulting in frontend security being easily overlooked i want to emphasize again that frontend security is the devil allow me to dig deeper my biggest concern regarding frontend security is how do i know that the contract i am interacting with from this specific frontend page is the smart contract that i m expecting this insecurity is mainly due to two factors inside job third party it is straightforward to understand the inside job for example the devs secretly replaces the target smart contract address in the frontend page with a contract address that has a backdoor or planting an authorization phishing script when you visit this rigged frontend page a series of subsequent operations involving cryptos in your wallet may be done in a trap before you realized the coins would be already gone the third party mainly refers to two types one is that the dependencies chain is infiltrated for example the third party dependency used by the frontend page has a backdoor which gets sneaked into the target frontend page along with the packaging and release the following is the package dependency structure of sushiswap for illustration only it doesn t necessarily mean that the project in the screenshot has such issue br img src res sushiswap 3rd png width 500 the other example is third party remote javascript files imported by the frontend page if this javascript file is hacked it s possible that the target frontend page gets affected as well such as opensea for illustration only it doesn t necessarily mean that the project in the screenshot has such an issue br img src res opensea 3rd png width 800 the reason why we said it s just possible but not certainly is that the risk could be mitigated if devs refer to a third party remote javascript file on the frontend page in the following way script src https example com example framework js integrity sha384 li9vy3dqf8tntxuiaajuml3ky er10rcgnr vqsvpcw thhmycwib1pboxebzjr7 crossorigin anonymous script the key point here is a nice security mechanism of html5 integrity attribute in tags sri mechanism integrity supports sha256 sha384 and sha512 if third party javascript files do not meet the hash integrity check the files will not be loaded this can be a good way to prevent unintended code execution however utilizing this mechanism requires the target resource to support cors response for details refer to the following https developer mozilla org zh cn docs web security subresource integrity communication security let s focus on https security in this section first the target website must use https and http plaintext transmission should never be allowed this is because http plaintext transmission is too easy to be hijacked by man in the middle attacks nowadays https is very common as a secure transmission protocol if there is a man in the middle attack on https and attackers have injected malicious javascript into the web application s front end a very obvious https certificate error alert will be displayed in the user s browser let s use the myetherwallet incident as an example to illustrate this point myetherwallet used to be a very popular web application wallet and up till now it s still very well known however it s no longer just a web application wallet as mentioned before i strongly discourage the use of web application wallets due to security reasons in addition to various issues in front end security https hijacking is also a big potential risk on april 24 2018 there was a major security incident of https hijacking in myetherwallet the recap of the incident can be found here https www reddit com r myetherwallet comments 8eloo9 official statement regarding dns spoofing of br https www reddit com r ethereum comments 8ek86t warning myetherwalletcom highjacked on google res myetherwallet https hijack png in the attack the hacker hijacked the dns service google public dns used by a large number of myetherwallet users via bgp an ancient routing protocol which directly led to the display of https error alerts in every user s browser when they tried to visit myetherwallet website in fact users should stop when they see this alert as it basically indicates that the target web page has been hijacked in reality however many users just quickly ignored the alert and proceeded to continue with their interactions with the hijacked site because they didn t understand the security risk behind the https error alert at all since the target web page had been hijacked and the hacker had injected malicious javascript in there upon users interaction the hackers would have successfully stolen their plaintext private key and transferred away their funds mostly eth this is definitely a classic case where hackers used bgp hijacking techniques to steal crypto it s just overkill ever after this there have been several similar cases and i won t mention them in detail here to the user there is only one thing that really needs attention if you ever decide to use a web application wallet or try to interact with a dapp always make sure you stop and close the page whenever you see a https certificate error alert and your funds will be fine there is a cruel reality in security when there is a risk don t give users any choices as if you do there will always be users falling into the trap for whatever reasons in fact the project team needs to take up the responsibility as of today there are already very effective security solutions to the https hijacking issue mentioned above the project team needs to properly configure hsts hsts stands for http strict transport security it is a web security policy mechanism supported by most modern browsers if hsts is enabled in case of a https certificate error the browser will force users to stop accessing the target web applications and the restriction can t be bypassed now you get what i mean human nature security this section is easy to understand for example the project team is evil minded and acts in a dishonest way i have mentioned some relevant contents in previous sections so here i won t go into more details more to be covered in later sections financial security financial security should be deeply respected in defi users pay utmost attention to token price and return they want superior or at least steady return on investment in other words as a user i play the game to win and if i lose at least i need to be convinced that it is a fair game this is just human nature financial security in defi is susceptible to attacks in the forms of unfair launch practices such as pre mining or pre sale crypto whale attack pump and dump black swan events like sudden market waterfall or let s say when one defi protocol is nested or interoperated with other defi tokens its security reliability will be highly depending on other protocols other technical attacks or what we refer to as scientific techniques such as front running sandwich attack flash loan attacks etc compliance requirements compliance requirement is a very big topic the previously mentioned aml anti money laundering is just one of the points there are also aspects like kyc know your customer sanctions securities risks etc in fact for us users these are not something under our control when we interact with a certain project as it may be subject to relevant regulations in certain countries our privacy information might get collected you might not care about such privacy issues but there are people who do for example in early 2022 there was a small incident some wallets decided to support address ownership proof protocol aopp protocol i took a look at the protocol design it turned out that wallets supporting aopp might leak user privacy regulators might get to know the interconnection between a regulated crypto exchange and an unknown external wallet address https gitlab com aopp address ownership proof protocol no wonder many privacy oriented wallets are so concerned about user s feedback and quickly removed aopp support from their products but to be honest the protocol design is quite interesting i have noticed that some wallets have no plans to remove support for aopp such as edgewallet their opinion is that aopp doesn t necessarily expose more user privacy on the contrary it helps to enhance the circulation of cryptocurrency in many regulated crypto exchanges users are not allowed to withdraw to a particular external wallet address before he can prove his ownership to it at first the well known hardware wallet trezor refused to remove aopp support but later it was forced to compromise and did so due to pressures from the community and users on twitter as you can see it s such a small incident but to some people privacy is really important this is not to say that we should go against regulations and totally ignore compliance requirements as a matter of fact i do believe it s necessary to have a certain level of compromise to compliance requirements we won t continue to deep dive into this topic feel free to digest the contents in your own ways so far we have covered the majority of content in the defi security section what s more there are also security issues introduced by future additions or updates we often say security posture is dynamic not static for example nowadays most project teams do security audits and show clean security audit reports if you ever read the good quality reports carefully you will notice that these reports will clearly explain the scope timeframe and the unique identifier of the audited contents e g the verified open source smart contract address or the commit address on github repo or the hash of the target source code file this is to say the report is static but if in a project you have observed any deviations from what is mentioned in the report you can point it out nft security all the previously mentioned contents on defi security can be applied to nft security and nft itself has a few very specific and unique security topics for example metadata security signature security metadata refers mainly to the embedded picture motion pictures and other contents it s recommended to refer to opensea on the specific standards https docs opensea io docs metadata standards there are two main security concerns that may arise here one is that the uri where the image or motion picture is located might not be trustworthy it can just be a randomly selected centralized service on one hand there is no guarantee of availability on the other hand the project team can modify the images at will thus the nft will no longer become an immutable digital collectible generally it s recommended to use centralized storage solutions such as ipfs arweave and select a well known uri gateway service another is the potential for privacy leakage a randomly selected uri service might capture user s basic information such as ip user agent etc signing security is another big concern here and we will illustrate it below be careful with signing signature security is something that i want to mention specifically as there are so many pitfalls and you should be careful all the time there have been several incidents especially on nft trading however i have noticed that not too many people understand how to prepare for and deal with such security problems the underlying reason is few people have ever made the problem clear enough the no 1 and most important security principle in signature security is what you see is what you sign that is the message in the signature request you received is what you should expect after signing after you sign it the result should be what you expected instead of something you would regret some details of signature security have been mentioned in the cold wallet section if you can t recall i would suggest you revisit that section in this section we will focus on other aspects there were several well known nft hacks on opensea around 2022 on feb 20th 2022 there was a major outbreak the root causes are users signed nft listing requests on opensea hackers phished to obtain relevant signatures from users it is actually not hard for hackers to obtain the relevant signature the hacker needs to 1 construct the message to be signed 2 hash it 3 trick the target user to sign the request this would be a blind signing which means users don t actually know what they are signing 4 get the signed content and construct the data at this point the user has been hacked i will use opensea as an example in reality it could be any nft marketplace after the target user authorizes the nft listing operation in the marketplace the hacker would construct the message to be signed after hashing it with keccak256 a signature request would pop up on the phishing page users would see something like the following img src res metamask sign jpg width 360 look closely what kind of information can we get from this metamask popup window account info and account balance the source website where the signature request comes from the message that users are about to sign and nothing else how could users suspect that the disaster is already on the way and how could they realize that once they click the sign button their nfts would be stolen this is actually an example of blind signing users are not required to sign within the nft marketplace instead users can be tricked into any phishing website to sign the message without fully understanding the actual meaning and consequence of these signatures unfortunately hackers know as a user just keep in mind never blind sign anything opensea used to have the blind signing problem and they fixed it by adopting eip 712 after feb 20th 2022 however without blind signing users could still be careless and hacked in other ways the most essential reason why this is happening is that the signing isn t restricted to follow the browser s same origin policy you can simply understand it as the same origin policy can ensure that an action only happens under a specific domain and will not cross domains unless the project team intentionally wants domain crossing to happen if signing follows the same origin policy then even if the user signs a signature request generated by the non target domain hackers can t use the signature for attacks under the target domain i will stop here before going into more details i have noticed new proposals on security improvement at the protocol level and i hope this situation can be improved as soon as possible we have mentioned most of the major attack formats that could occur when signing a message but there are actually quite a few variants no matter how different they look they follow similar patterns the best way to understand them is to reproduce an attack from beginning to end by yourselves or even create some unique attack methods for example the signature request attack mentioned here actually contains a lot of details such as how to construct the message to be signed and what is generated exactly after signing is there any authorization methods other than approve yes for example increaseallowance well it would be too technical if we expand here the good thing is you should already understand the importance of signing a message users can prevent such attacks at the source by canceling the authorization approval the following are some well known tools that you could use token approvals https etherscan io tokenapprovalchecker br this is the tool for authorization check and cancellation provided by ethereum s official browser other evm compatible blockchains have something similar as their blockchain browsers are basically developed by etherscan for example br https bscscan com tokenapprovalchecker br https hecoinfo com tokenapprovalchecker br https polygonscan com tokenapprovalchecker br https snowtrace io tokenapprovalchecker br https cronoscan com tokenapprovalchecker revoke cash https revoke cash br super old school with good fame multi chain supporting with increasingly power rabby extension wallet https rabby io br one of the wallets that we have collaborated with a lot the number of evm compatible blockchains where they provide authorization check and cancellation function is the most that i have ever seen warning note if you want a more comprehensive and in depth understanding of signature security please check the extensions in the following repository additions as a reference https github com evilcos darkhandbook br it is true that the knowledge of signature security is quite challenging for beginners the repository compiles relevant content and carefully reading through it will help you grasp the security knowledge thus you will no longer find it difficult if you can read and understand everything i believe that security knowledge will no longer be tough for you be careful with counter intuitive signatures requests i would like to particularly mention another risk counter intuitive risk what is counter intuitive for example you are already very familiar with ethereum and have become an og of all kinds of defi and nfts when you first enter the solana ecosystem you probably would encounter some similar phishing websites you may feel so well prepared that you start to think i have seen these a thousand times in the ethereum ecosystem and how could i get fooled in the meantime hackers would be happy as you already got fooled people follow their intuitive feelings which makes them careless when there s a counter intuitive attack people would fall into the trap ok let s take a look at a real case that took advantage of counter intuitiveness img src res solana nft phishing jpg width 800 first of all a warning authorization phishing on solana is way more cruel the example above happened on march 5th 2022 the attackers airdropped nfts to users in batches figure 1 users entered the target website through the link in the description of the airdropped nft www officialsolanarares net and connected their wallets figure 2 after they clicked the mint button on the page the approval window popped up figure 3 note that there was no special notification or message in the pop up window at this time once they approved all sols in the wallet would be transferred away when users click the approve button they are actually interacting with the malicious smart contracts deployed by the attackers 3vtjhndudd1qrejiynzidsdkealmt6b2f9j3axdl4q8v the ultimate goal of this malicious smart contract is to initiate sol transfer which transfers almost all of the user s sols from analysis of on chain data the phishing behavior continued for several days and the number of victims kept increasing during the period of time there are two pitfalls from this example that you need to pay attention to 1 after the user approves the malicious smart contract can transfer the user s native assets sol in this case this is not possible on ethereum the authorization phishing on ethereum can only affect other tokens but not the native asset of eth this is the counter intuitive part that would make users lower vigilance 2 the most well known wallet on solana phantom has loopholes in its security mechanism that it doesn t follow the what you see is what you sign principle we haven t tested other wallets yet and it doesn t provide enough risk warning to users this could easily create security blind spots that cost users coins some advanced attacking methodologies actually there are many advanced attacking methodologies but they are mostly regarded as phishing from the perspective of the public however some are no normal phishing attacks for example https twitter com arthur 0x status 1506167899437686784 hackers sent a phishing e mail with such an attachment a huge risk of stablecoin protected docx to be honest it is an attractive document however once opened user s computer will be implanted with a trojan generally through office macro or 0day 1day exploit which usually contains the following functions collecting all sorts of credentials for example browser related or ssh related etc in this way hackers can extend their access to other services of the target user therefore after infection users are generally advised not only to clean up the target device but also relevant account permissions as well keylogger in particular targeting those temporarily appearing sensitive information such as passwords collecting relevant screenshots sensitive files etc if it is ransomware all files in the target system would be strongly encrypted and waiting for the victim to pay for the ransom usually by bitcoin but in this case it was not ransomware which has more obvious noisy behavior and straightforward intentions in addition trojans targeting the crypto industry will be specially customized to collect sensitive information from well known wallets or exchanges in order to steal user s funds according to professional analysis the above mentioned trojan would conduct a targeted attack on metamask https securelist com the bluenoroff cryptocurrency hunt is still on 105488 the trojan will replace user s metamask with a fake one with back doors a backdoored metamask basically means that any funds you store inside are no longer yours even if you are using a hardware wallet this fake metamask will manage to steal your funds by manipulating the destination address or amount information this approach is specially crafted for well known targets with known wallet addresses what i have noticed is that many such people are too arrogant to prevent themselves from getting hacked after the hack many would learn from the lesson conduct full reviews have significant improvements and also form long term cooperation and friendship with trusted security professionals or agencies however there are always exceptions in this world some people or projects keep getting hacked again and again if each time it is because of something no one has encountered before i would highly respect them and call them pioneers high chance they will be successful as time goes on unfortunately many of the incidents are the results of very stupid and repetitive mistakes that could be avoided easily i would advise staying away from these projects comparingly those mass phishing attacks are not comprehensive at all attackers would prepare a bunch of similarly looking domain names and spread the payloads by buying accounts followers and retweets on twitter or other social platforms if managed well many will fall into the trap there is really nothing special in this kind of phishing attack and normally the attacker will just brutally make the user authorize tokens including nft in order to transfer them away there are other kinds of advanced attacks for example using techniques like xss csrf reverse proxy to smoothen the attack process i won t elaborate on all of them here except one very special case cloudflare man in the middle attack which is one of the scenarios in reverse proxy there have been real attacks that caused financial loss utilizing this extremely covert method the problem here is not cloudflare itself being evil or getting hacked instead it s the project team s cloudflare account that gets compromised generally the process is like this if you use cloudflare you will notice this worker module in the dashboard whose official description is building serverless applications and deploying them instantly around the world achieving excellent performance reliability and scale for details please refer to https developers cloudflare com workers i made a test page a long time ago https xssor io s x html when you visit the page there will be a pop up window saying xssor io hijacked by cloudflare in fact this pop up and even the whole content of x html doesn t belong to the document itself all of them are provided by cloudflare the mechanism is shown below img src res cloudflare worker png width 800 the indication of the code snippet in the screenshot is very simple if i were the hacker and i have controlled your cloudflare account i can use workers to inject arbitrary malicious script to any web page and it s very difficult for the users to realize that the target web page has been hijacked and tampered with as there will be no error alerts such as https certificate error even the project team won t easily identify the problem without having to spend a huge amount of time checking the security of their servers and personnel by the time they realise it is cloudflare workers the loss could already be significant cloudflare is actually a good tool many websites or web applications will use it as their web application firewall anti ddos solution global cdn reverse proxy etc because there is a free version they have a big customer base alternatively there are services like akaimai etc users must pay attention to the security of such accounts account security issues arise with the rise of the internet it s such a common topic in the world that almost everyone is talking about it everywhere but still many people are getting hacked because of it some root causes might be they don t use a unique strong password for important services password managers like 1password isn t that popular anyway some might be they don t bother to turn on 2 factor authentication 2fa or maybe they don t even know of the thingy not to mention for some certain services passwords should be reset at least annually all right this will be the end of this section you only need to understand that this is indeed a dark forest and you should know about as many attacking methodologies as possible after seeing enough on paper if you have at least fallen into the traps once or twice you can consider yourself as an amateur security professional which will benefit yourself anyway traditional privacy protection congratulations you ve made it to this part traditional privacy protection is an old topic here s the article i wrote in 2014 you ve got to learn a few tricks to protect yourself in the age of privacy breaches br https evilcos me yinsi html rereading this article although this was an entry level article in 2014 however most of the advice in it is not outdated after reading the article again i ll introduce something new here in fact privacy protection is closely related to security traditional privacy is the cornerstone of security this section includes your private keys are part of privacy if the cornerstones are not secure the privacy of the cornerstones are meaningless then the superstructure will be as fragile as a building in the air the following two resources are highly recommended surveillance self defense br tips tools and how tos for safer online communications br https ssd eff org surveillance self defense is short for ssd launched by the well known electronic frontier foundation eff which has specially issued relevant guidelines to tell you how to avoid big brother watching you in the monitoring internet world of which including several useful tools such as tor whatsapp signal pgp etc privacy guide fight surveillance with encryption and privacy tools br https www privacytools io the above website is comprehensive listing a number of tools it also recommends some cryptocurrency exchanges wallets etc however it should be noted that i don t use very many tools listed on the website because i have my own way thus you should also develop your own way with comparing and improving continuously here are some highlights of the tools that i suggest that you should use operation system windows 10 edition and higher and macos are both secure options if you have the ability you can choose linux such as ubuntu or even extremely security privacy focused ones like tails or whonix on the topic of operation system the most straightforward security principle is pay close attention to system updates and apply them asap when available the capability to master the operating system comes next people might ask what on earth do you need to learn in order to master an operating system like windows or macos isn t it just clicking around well it s actually far from being enough for novice users a good antivirus software like kaspersky bitdefender is a must and they both are available on macos and then don t forget about download security which i mentioned before you will have eliminated most of the risks if you don t download and install programs recklessly next think about what you are gonna do if your computer got lost or stolen having a boot password is obviously not good enough if disk encryption is not turned on bad actors can just take out the harddisk and retrieve the data inside thus my advice is that disk encryption should be turned on for important computers https docs microsoft com en us windows security encryption data protection br https support apple com en us ht204837 we also have powerful and legendary tools such as veracrypt the former truecrypt feel free to try it out if you are interested https veracrypt fr you can go one step further to enable bios or firmware password i have done it myself but it s totally up to your own choice just remember if you do remember the password very clearly or else no one can ever help you out i am lucky enough to have fallen into the rabbit hole myself before which cost me a laptop some crypto and a week s time on the other hand it s a very good learning experience too mobile phone nowadays iphone and android are the only two mainstream mobile phones categories i used to be a big fan of blackberry but its glory faded away with time in the past the security posture of android phones worried me a lot on one hand it was still in the early stage on the other hand the versions were very fragmented each brand would have its own forked android version but now things have improved a lot on mobile phones we also need to pay attention to security updates and download security in addition pay attention of the following points do not jailbreak root your phone it s unnecessary unless you are doing relevant security researchif you are doing it for pirated software it really depends on how well you can master the skill don t download apps from unofficial app stores don t do it unless you know what you are doing not to mention there are even many fake apps in official app stores the prerequisite of utilising the official cloud synchronization function is that you have to make sure your account is secure otherwise if the cloud account gets compromised so will the mobile phone personally i rely more on the iphone and you will need at least two icloud accounts one china and one overseas you will need them to install apps with different regional restrictions which sounds pretty weird but welcome to the reality network network security issues used to be a pain in the ass but there are already significant improvements in recent years especially since the mass adoption of https everywhere policy in case of an ongoing network hijacking man in the middle attack attack there will be corresponding system error alerts but there are always exceptions so when you have a choice use the more secure option for example don t connect to unfamiliar wi fi networks unless the more popular secure 4g 5g network is not available or not stable browsers the most popular browsers are chrome and firefox in crypto fields some will use brave too these well known browsers have a strong team and there will be timely security updates the topic of browser security is very broad here are some tips for you to be aware of update as quickly as possible don t take chances don t use an extension if not necessary if you do make your decisions based on user s reviews number of users maintaining company etc and pay attention to the permission it asks for make sure you get the extension from your browser s official app store multiple browsers can be used in parallel and it is strongly recommended that you perform important operations in one browser and use another browser for more routine less important operations here are some well known privacy focused extensions such as ublock origin https everywhere clearurls etc feel free to try them out in firefox in particular i will also use the legendary ancient extension noscript which had a proven record of fending off malicious javascript payloads nowadays browsers are becoming more and more secure as they add support for things like same origin policy csp cookie security policy http security headers extension security policy etc thus the need of using a tool such as noscript is becoming smaller and smaller feel free to take a look if interested password manager if you haven t used a password manager yet either you don t know the convenience of using one or you have your own strong memory palace the risk of brain memory has also been mentioned before one is that time will weaken or disrupt your memory the other is that you may have an accident in either case i still recommend that you use a password manager to go with your brain memory use a well known one like 1password bitwarden etc i don t need to cover this part too much there are so many related tutorials online it s easy to get started without even needing a tutorial what i need to remind you here is do not ever forget your master password and keep your account information safe otherwise everything will be lost make sure your email is secure if your email is compromised it might not directly compromise the sensitive information in your password manager but bad actors have the capability to destroy it i have verified the security of the tools i mentioned such as 1password and have been closely watching the relevant security incidents user reviews news etc but i cannot guarantee that these tools are absolutely secure and no black swan events are ever gonna happen in the future to them one thing i do appreciate is the introduction and description of 1password s security page for example https 1password com security this page has security design concepts relevant privacy and security certificates security design white papers security audit reports etc this level of transparency and openness also facilitates the necessary validation in the industry all project teams should learn from this bitwarden goes one step further as it is fully open source including the server side so anyone can validate audit and contribute now you see the intention of 1password and bitwarden is very clear i am very secure and i am concerned about privacy not only do i say it myself third party authorities say so as well feel free to audit me and in order to make it easy for your audits i spend a lot of effort to be open wherever possible if what i do doesn t match what i say it s easy to challenge me and this is called security confidence two factor authentication speaking of your identity security on the internet the first layer relies on passwords the second layer relies on two factor authentication and the third layer relies on the risk control ability of the target project itself i can t say that two factor authentication is a must have for example if you are using a decentralized wallet one layer of password is annoying enough now they basically support biometric identification such as facial recognition or fingerprint to improve user experiences no one wants to use the second factor but in a centralized platform you have to use 2fa anyone can access the centralized platform and if your credentials get stolen your account is breached and your fund will be lost on the contrary the password for your decentralized wallet is just a local authentication even if the hacker gets the password they still need to get access to the device where your wallet is located now you see the differences some well known two factor authentication 2fa tools include google authenticator microsoft authenticator etc of course if you use a password manager such as 1password it also comes with a 2fa module which is very handy always remember to make backups because losing 2fa can be a hassle in addition two factor authentication can also be a broader concept for example when an account identifier and a password are used to log in to the target platform our account identifier is normally an email or mobile phone number at this time the mailbox or mobile phone number can be used as 2fato receive a verification code but the security level of this method is not as good for example if the mailbox is compromised or the sim card gets hijacked or the third party service used for sending emails and text messages is hacked then the verification code sent by the platform will also be revealed scientific internet surfing for policy reasons let s not talk too much about this just pick one of the well known solutions things will be more under control if you can build your own solution after all our starting point is to surf the internet scientifically and securely if you are not using a self built solution you can t fully rule out the possibility of a man in the middle attack as mentioned earlier the internet security situation is not as bad as it used to be especially after the mass adoption of https everywhere policy however some of the peace may be just the surface of the water and there are already undercurrents beneath the surface that are not easily noticeable to be honest i don t really have a silver bullet for this it s not easy to build your own solution but it s definitely worth it and if you can t make sure you check using multiple sources and choose a reputable one that has been around for a long time email email is the cornerstone of our web based identity we use email to sign up for a lot of services almost all of the email services we use are free it seems like air and you don t think it would disappear what if one day your email service is gone then all the other services that depend on it will be in a rather awkward situation this extreme situation is really not impossible if there re wars natural disasters etc of course if these extreme situations occur email will be less important to you than survival when it comes to email services providers you should choose from tech giants such as gmail outlook or qq email it happens that my previous security researches cover this area the security posture of these mailboxes is good enough but still you have to be careful about email phishing attacks you don t need to deal with every single email especially the embedded links and attachments where trojans may be hidden if you come across a highly sophiscatedattack on your email services providers you re on your own besides the email services of these tech giants if you are very concerned about privacy you can take a look at these two well known privacy friendly email services protonmail and tutanota my suggestion is to separate these private friendly mailbox from daily usage and only use them for services that requires special attention to privacy you also need to regularly use your free email services to prevent yout accounts from being suspended due to long time inactivity sim card sim card and mobile phone number are also very important basic identities in many cases just like email in recent years the major operators in our country have done a very good job in the security protection of mobile phone numbers for example there are strict security protocols verification processes for canceling and re issuing sim cards and they all happen on site on the topic of sim card attacks let me give you an example in 2019 5 someone s coinbase account suffered a sim port attack sim card transfer attack and unfortunately lost more than 100 000 us dollars of cryptocurrency the attack process is roughly as follows the attacker obtained the privacy information of the target user through social engineering and other methods and tricked the mobile phone operator to issue him a new sim card and then he easily took over the target user s coinbase account through the same mobile phone number the sim has been transferred which is very troublesome it s very troublesome if your sim card got transferred by the attacker as nowadays many of the online services use our mobile phone number as a direct authentication factor or 2fa this is a very centralized authentication mechanism and the mobile phone number becomes the weak point for detailed analysis please refer to https medium com coinmonks the most expensive lesson of my life details of sim port hack 35de11517124 the defence suggestion for this is actually simple enable a well known 2fa solution the sim card has another risk that is if the phone is lost or stolen it will be embarrassing that the bad guy can take out the sim card and use it here is what i did enable the sim card password pin code so every time when i turn on my phone or use my sim card in a new device i need to enter the correct password please ask google for detailed howtos here s the reminder from me don t forget this password otherwise it will be very troublesome gpg many contents in this part have been mentioned in previous sections and i woud like to add more basic concepts here sometimes you will encounter similar looking names such as pgp openpgp and gpg simply distinguish them as follows pgp short for pretty good privacy is a 30 year old commercial encryption software now under the umbrella of symantec openpgp is an encryption standard derived from pgp gpg the full name is gnupg is an open source encryption software based on the openpgp standard their cores are similar and with gpg you are compatible with the others here i strongly recommend again in security encryption don t try to reinvent the wheel gpg if used in a correct way can improve security level significantly segregation the core value behind the security principle of segregation is the zero trust mindset you have to understand that no matter how strong we are we will be hacked sooner or later no matter if it s by external hackers insiders or ourselves when hacked stop loss should be the first step the ability to stop loss is ignored by many people and that s why they get hacked again and again the root cause is that there is no security design especially straightforward methods such as segregation a good segregation practice can ensure that in case of security incidents you only lose those directly related to the compromised target without affecting other assets for example if your password security practice is good when one of your accounts gets hacked the same password will not compromise other accounts if your cryptocurrency is not stored under one set of mnemonic seeds you will not lose everything if you ever step into a trap if your computer is infected luckily this is just a computer used for casual activities and there is nothing important in there so you do not have to panic as reinstalling the computer would solve most of the problems if you are good at using virtual machines things are even better as you can just restore the snapshot good virtual machine tools are vmware parallels to summarize you can have at least two accounts two tools two devices etc it is not impossible to completely create an independent virtual identity after you are familiar with it i mentioned a more extreme opinion before privacy is not for us to protect privacy should be controlled the reason for this viewpoint is that in the current internet environment privacy has actually been leaked seriously fortunately privacy related regulations have become more and more widely adopted in recent years and people are paying more and more attention everything is indeed going in the right direction but before that in any case when you have mastered the knowledge points i have listed you will be able to control your privacy with ease on the internet if you are used to it you may have several virtual identities that are almost independent of each other security of human nature human is always at the highest and eternal risk there s a quote from the three body problem weakness and ignorance are not barriers to survival but arrogance is don t be arrogant if you think you re already strong you re fine with yourself don t look down on the whole world in particular don t be overly proud and think you can challenge global hackers there is no end to learning and there are still many obstacles don t be greedy greed is indeed the motivation to move forward in many cases but think about it why is such a good opportunity just reserved for you don t be impulsive impulsiveness is the devil which will lead you to traps rash action is gambling there are endless things in human nature to talk about and you can t be more careful please pay special attention to the following points and see how bad actors take advantage of the weakness in human nature utilizing various convenient platforms telegram i ve said before that telegram is the biggest dark web i have to say that people like telegram for its security stability and open design features but the open culture of telegram also attracts bad guys huge numbers of users highly customisable functionality easy enough to build all kinds of bot services combining with cryptocurrency the actual trading experiences are far beyond those dark web marketplaces in tor and there are too many fishes in it normally the unique identifier of social media accounts is only something like a username user id but these can be completely cloned by the bad actors some social platforms have account validation mechanisms such as adding a blue v icon or something public social media accounts can be validated through some indicators such as the follower s number the contents posted interaction with fans etc the non public social media accounts are a bit more difficult it s nice to see that telegram released the function of which groups we are in together wherever there are loopholes that can be exploited and the gains are considerable a bunch of bad guys must be already there that s human nature as a result social media platforms are full of phishing traps for example in a group chat someone who looks like the official customer service suddenly appeared and started a private chat any2any private chat is the feature of telegram there is no need for friend request and then out of the classic tactics of spam fish will bite one after another or attackers might go one step further and add you into another group all participants buy you are fake but to you it looks so realistic we refer to this technique as group cloning in underground society these are just the basic methods of manipulating human nature the advanced techniques will be combined with vulnerabilities and thus are more difficult to prevent discord discord is a new and popular social platform im software raised in the past two years the core function is community servers not the concept of traditional server as the official statement says discord is a free voice video and text chat app that s used by tens of millions of people ages 13 to talk and hang out with their communities and friends people use discord daily to talk about many things ranging from art projects and family trips to homework and mental health support it s a home for communities of any size but it s most widely used by small and active groups of people who talk regularly it looks great but requires a quite strong security design standard discord has specific security rules and policies as in https discord com safety unfortunately most people will not bother to read it carefully what s more discord won t always be able to illustrate certain core security issues clearly because they will have to put on an attacker s hat which is not always feasible for instance with so many nft thefts on discord what are the key attack methods before we figure this out discord security advice is useless the key reason behind many project discordhacks is actually the discord token which is the content of the authorization field in the http request header it has existed in discord for a very long time for hackers if they can find a way to get this discord token they can almost control all the privileges of the target discord server that is to say if the target is an administrator an account with administrative privileges or a discord bot the hackers can do anything they want to for example by announcing a nft phishing site they make people think it s the official announcement and fish will bite the hook some might ask what if i add two factor authentication 2fa to my discord account absolutely a good habit but discord token has nothing to do with your account 2fa status once your account is breached you should change your discord password immediately to make the original discord token invalid for the question of how the hacker can get the discord token we have figured out at least three major techniques and we will try to explain it in detail in the future for normal users there are a lot that can be done but the core points are don t rush don t be greedy and verify from multiple sources official phishing the bad actors are good at taking advantage of role playing especially the official role for example we have mentioned the fake customer service method before besides that in april 2022 many users of the well known hardware wallet trezor received phishing emails from trezor us which is not the official trezor domain trezor io there is a minor difference in the domain name suffix what s more the following domains were also spread via phishing emails https suite tr zor com img src res trezor phishing jpg width 800 this domain name has a highlight spot look closely at the letter in it and you can find that is not the letter e confusing it is actually punycode the standard description is as below a bootstring encoding of unicode for internationalized domain names in applications idna is an internationalized domain name encoding that represents a limited set of characters in both unicode and ascii codes if someone decode tr zor it looks like this xn trzor o51b which is the real domain name hackers have been using punycode for phishing for years back in 2018 some binance users were compromised by the same trick these kinds of phishing sites can already make many people fall not to mention those more advanced attacks such as official mailbox getting controlled or mail forgery attacks caused by spf configuration issues as a result the source of the email looks exactly the same as the official one if it is a rogue insider the user can do nothing project teams should put a lot of effort into preventing insider threats insiders are the biggest trojan horse but they very often get neglected web3 privacy issues with the growing popularity of web3 more and more interesting or boring projects appeared like all kinds of web3 infrastructures social platforms etc some of them have done massive data analysis and identified various behavioral portraits of the targets not only on the blockchain side but also on well known web2 platforms once the portrait comes out the target is basically a transparent person and the appearance of web3 social platforms may also aggravate such privacy issues think about it when you play around with all these web3 related things such as signature binding on chain interactions etc are you giving away more of your privacy many might not agree but as many pieces come together there will be a more accurate comprehensive picture which nfts you like to collect which communities you joined which whitelists you re on who you re connected with which web2 accounts you re bound to what time periods you re active in and so on see blockchain sometimes makes privacy worse if you care about privacy you will have to be careful with everything newly emerged and keep the good habit of segregating your identity at this point if the private key is accidentally stolen the loss is not as simple as just money but all the carefully maintained web3 rights and interests we often say that the private key is the identity and now you have a real id problem never test human nature blockchain shenanigans blockchain technology created a whole new industry whether you call it blockfi defi cryptocurrency virtual currency digital currency web3 etc the core of everything is still the blockchain most hype centered on financial activities such as crypto assets including non fungible tokens or nft digital collectible blockchain industry is highly dynamic and fascinating but there are just too many ways to do evil the special characteristics of blockchain give rise to some rather unique evils including and not limited to crypto theft cryptojacking ransomware dark web trading c2 attack money laundering ponzi schemes gambling etc i made a mind map back in 2019 for reference https github com slowmist knowledge base blob master mindmaps evil blockchain png meanwhile the slowmist team has been maintaining and updating slowmist hacked an growing database for blockchain related hacking activities https hacked slowmist io this handbook has introduced many security measures and if you can apply them to your own security then congratulations i won t elaborate too much on the blockchain shenanigans if you are interested you can learn it on your own which is definitely a good thing especially since new scams and frauds are continuously evolving the more you learn the better you can defend yourself and make this industry better what to do when you get hacked it is only a matter of time before you eventually get hacked so what to do then i ll simply cut straight to the chase the following steps are not necessarily in order there are times when you have to go back and forth but the general idea is this stop loss first stop loss is about limiting your loss it can be broken down to at least two phases the immediate action phase act immediately if you see hackers are transferring your assets think no more just hurry up and transfer the remaining assets to a safe place if you have experience in front running trades just grab and run depending on the type of asset if you can freeze your assets on the blockchain do it as soon as possible if you can do on chain analysis and find your assets are transferred into a centralized exchange you can contact their risk control department the post action phase once the situation is stabilized your focus should be on making sure there would not be secondary or tertiary attacks protect the scene when you find that something is wrong stay calm and take a deep breath do remember to protect the scene here are a few suggestions if the accident happens on a computer server or other devices connected to the internet disconnect the network immediately while keeping the devices on with power supply some people may claim that if it is a destructive virus the local system files will be destroyed by the virus they are right however shutting down only helps if you can react faster than the virus unless you are capable of handling this by yourself waiting for security professionals to step in for analysis is always the better choice this is really important as we have encountered quite a few times that the scene was already in a mess by the time we stepped in to do the analysis and there were even cases when key evidence e g logs virus files appeared to have been cleaned up without a well preserved crime scene it can be extremely disruptive to the subsequent analysis and tracing root cause analysis the purpose of analyzing the cause is to understand the adversary and output the hacker s portrait at this point the incident report is very important which is also called post mortem report incident report and post mortem report refer to the same thing we have met so many people who came to us for help after their coins were stolen and it was very difficult for many of them to clearly tell what happened it s even harder for them to produce a clear incident report but i think this can be practiced and it would be helpful by referring to examples the following can be a good starting point summary 1 who was involved when did this happen what has happened and how much was the total loss summary 2 the wallet addresses related to the loss the wallet address of the hacker the type of the coin the quantity of the coin it could be much clearer with the help of just a single table process description this part is the most difficult you will need to describe all aspects of the incident with all the details which is useful to analyze various kinds of traces related to the hacker and eventually get the hacker portrait from them including the motivation when it comes to particular cases the template will be much more complex sometimes human memory can also be unreliable and there is even a deliberate concealment of key information which can lead to wasted time or delayed timing so in practice there would be a huge consumption and we need to use our experience to guide the work well finally we produce an incident report with the person or the team who lost the coins and continue to keep this incident report updated source tracing according to rocca s law where there is an invasion there is a trail if we investigate hard enough we will always find some clues the process of investigation is actually forensic analysis and source tracing we will trace the sources according to the hacker portrait from the forensic analysis and constantly enrich it which is a dynamic and iterative process source tracing consists of two main parts on chain intelligence we analyze the asset activities of the wallet addresses such as going into centralized exchanges coin mixers etc monitor it and get alerts of new transfers off chain intelligence this part covers the hacker s ip device information email address and more information from the correlation of these associated points including behavioral information there is plenty of source tracing work based on this information and it would even require the involvement of law enforcement conclusion of cases of course we all want a happy ending and here are some examples of publicly disclosed events that we have involved which have good results lendf me worth of 25 million sil finance worth of 12 15 million poly network worth of 610 million we have experienced many other unpublished cases that ended in good or okay results however most of them had bad endings which is quite unfortunate we ve gained a lot of valuable experiences in these processes and we hope to raise the ratio of good endings in the future this part is briefly mentioned as above there is a huge amount of knowledge related to this area and i m not quite familiar with some of it thus i m not going to give a detailed explanation here depending on the scenario the abilities we need to master are smart contract security analysis and forensics analysis and forensics of on chain fund transfers web security analysis and forensics linux server security analysis and forensics windows security analysis and forensics macos security analysis and forensics mobile security analysis and forensics malicious code analysis and forensics security analysis and forensics of network devices or platforms insider security analysis and forensics it covers almost every aspect of security and so does this handbook however those security points are only briefly mentioned here as an introductory guide misconception from the very beginning this handbook tells you to stay skeptical this includes everything mentioned in here this is an extremely vibrant and promising industry full of all kinds of traps and chaos here let s take a look at some of the misconceptions which if taken for granted as truth can easily make you fall into the traps and become part of the chaos itself code is law code is law however when a project especially smart contract related ones gets hacked or rugged no single victim would ever wish for code is law and it turns out they still need to rely on the law in the real world not your keys not your coins if you don t own your keys you don t own your coins as a matter of fact many users failed to properly manage their own private keys due to various security mispractices they even lose their crypto assets sometimes you will find that it s actually more secure to put your crypto asset in big and reputable platforms in blockchain we trust we trust it because it s blockchain in fact blockchain itself does have the capability to solve many of the fundamental trust issues since it s tamper proof censorship resistant etc if my asset and related activities are on chain i can trust by default that no one else will be able to take away my asset or tamper with my activity without authorization however the reality is often harsh firstly not every blockchain is able to achieve these fundamental points and secondly human nature always becomes the weakest link many of the hacking techniques nowadays are beyond the imagination of most of us though we always say that attack and defense is the balance between cost and impact when you don t own a big asset no hacker will waste time to target you but when there are multiple targets like yourself it will be very profitable for the hackers to launch the attack my security advice is very simple distrust by default that is question everything by default and conduct continuous verification verify is the key security action here and continuous verification basically means that security is never in a static state it s secure now doesn t mean it s secure tomorrow the capability to properly verify is hereby the biggest challenge for us all but it s quite interesting as you will get to master a lot of knowledge in the process when you are strong enough no one can easily harm you cryptographic security is security cryptography is powerful and important without all the hard work of cryptographers all the solid cryptographic algorithms engineering implementations there will be no modern communications technology internet or blockchain technology however some individuals consider cryptographic security as absolute security and thus a bunch of weird questions arises isn t blockchain so secure that it took trillions of years to break a private key how come the fbi could decrypt dark web bitcoin why on earth could jay chou s nft get stolen i can bear with these novice questions what i can t bear with is the fact that many so called security professionals use cryptographic security concepts to fool the public they are mentioning terms such as military grade encryption world s best encryption cosmic level encryption absolute system security unhackability etc hackers they don t give a shit is it humiliating to be hacked it is true that getting hacked can bring mixed feelings and there will be a sense of shame sometimes but you need to understand that getting hacked is almost 100 guaranteed so there is nothing to be ashamed of once getting hacked it doesn t matter if you are only responsible for yourself however if you are responsible for many others you have to be transparent and open when you are dealing with the incident although people may question or even accuse you of staging the hack by yourself a transparent and open updated process will always bring good luck and understanding think of it this way if your project isn t well known no one will hack you the shame is not being hacked the shame is your arrogance from a probability point of view getting hacked is a common phenomenon normally the majority of the security issues are just small problems which could help your project grow however the severe big problems still have to be avoided as much as possible immediately update for many times this handbook suggests to pay attention to updating if there is a security update available apply it immediately now think carefully is this a silver bullet actually in most cases update now is the right thing to do however there have been times in history when an update solves one problem but introduces another an example is iphone and google authenticator there is a risk of the new ios 15 update that is the information in google authenticator may be wiped or doubled after the iphone upgrade in this case never delete the duplicate entries if you find that they are doubled as it may cause the loss of all the information in google authenticator after reopening for those who have not upgraded to the ios 15 system and are using google authenticator it is highly recommended to back it up before upgrading later google has updated the authenticator app solving this problem permanently besides i don t recommend updating wallets frequently especially for asset heavy wallets unless there is a major security patch or a very important feature that leads to an inevitable update in which cases you will have to do your own risk assessment and make your own decision conclusion recall that this handbook starts with this diagram res web3 hacking map jpg have you noticed that i have marked in red the person in the diagram i do so to remind everybody again that humans are the foundation of all referred to as anthropic principle in cosmology no matter if it s human nature security or the ability to master security skills it all depends on you yes when you are strong enough no one can easily harm you i started to expand based on the diagram and explained many security key points in the three processes creating wallet backing up wallet and using wallet then i introduced traditional privacy protection i stated that such traditional ones are the cornerstones and the building blocks for us to stay secure in blockchain ecosystems the human nature security part cannot be overdressed it s good to understand more about the various ways of doing evil especially if you step into a few pits the security awareness on paper may eventually become your security experience there is no absolute security so i explained what to do when you get hacked i don t want an unfortunate event to happen to you but in case it happens i hope this handbook could help you the last thing is to talk about some misconceptions my intention is very simple i hope you can build up your own critical thinking because the world is both beautiful and terrible i have not written so many words for a long time i think the last time was 10 years ago when i wrote the book web it was quite bittersweet after many years in web security as well as cybersecurity i led a team to create zoomeye a cyberspace search engine within cybersecurity i have dabbled in many fields only a few of which i can say that i am skilled at now in blockchain security slowmist and myself are considered to be pioneers there are so many cases we have encountered in these years that you can almost think we are in a state of trance every single day it s a pity that many insights are not recorded and shared and as a result at the urging of several friends this handbook was born when you have finished reading this handbook you must practice become proficient and draw inferences when you have your own discovery or experience afterwards i hope you will contribute if you feel there is sensitive information you can mask them out or anonymise the information finally thanks to the global maturity of security and privacy related legislation and enforcement thanks to the efforts of all the pioneering cryptographers engineers ethical hackers and all those involved in the creation of a better world which includes satoshi nakamoto appendix security rules and principles the security rules and principles mentioned in this handbook are summarized as follows quite a few rules are being incorporated into the above text and will not be specifically refined here two major security rules zero trust to make it simple stay skeptical and always stay so continuous validation in order to trust something you have to validate what you doubt and make validating a habit security principles for all the knowledge from the internet refer to at least two sources corroborate each other and always stay skeptical segregate don t put all the eggs in one basket for wallets with important assets don t do unnecessary updates what you see is what you sign you need to be aware of what you are signing and of the expected result after the signed transaction is sent out don t do things that will make you regret afterwards pay attention to system security updates apply them as soon as they are available don t download install programs recklessly can actually prevent most risks contributors thanks to the contributors this list will be continuously updated and i hope you can contact me if there are any ideas for this handbook cos twitter evilcos https twitter com evilcos jpg contributors my wife slowmist twitter slowmist team e g pds johan kong kirk thinking blue lisa keywolf jike app some anonymous friends more https darkhandbook io contributors html if your contribution is accepted for inclusion in this handbook you will be added to the list of contributors for example provided specific safety defense suggestions or cases participated in translation work corrected larger errors etc official sites slowmist https www slowmist com coinmarketcap https coinmarketcap com sparrow wallet https sparrowwallet com metamask https metamask io imtoken https token im trust wallet https trustwallet com gnosis safe https gnosis safe io zengo https zengo com fireblocks https www fireblocks com safeheron https www safeheron com keystone https keyst one trezor https trezor io rabby https rabby io edgewallet https edge app myetherwallet https www myetherwallet com phantom https phantom app tornado cash https tornado cash binance https www binance com coinbase https coinbase com compound https compound finance sushiswap https www sushi com opensea https opensea io revoke cash https revoke cash approved zone https approved zone https okjike com kaspersky https www kaspersky com cn bitdefender https www bitdefender com cloudflare https www cloudflare com akamai https www akamai com surveillance self defense https ssd eff org privacy guide https www privacytools io openpgp https www openpgp org gpg https gnupg org gpg suite https gpgtools org gpg4win https www gpg4win org 1password https 1password com bitwarden https bitwarden com google authenticator https support google com accounts answer 1066447 microsoft authenticator https www microsoft com en us security mobile authenticator app protonmail https protonmail com tutanota https tutanota com vmware workstation https www vmware com products workstation pro html parallels https www parallels com | blockchain |
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Knowledge-Notes | h1 align center h1 div align left p strong linux strong p div c c linux linux stm32 rtos markdown book 0 image 20220604092406145 assets assets readme image 20220604092406145 png image 20220604092602987 assets assets readme image 20220604092602987 png image 20220604092747369 assets assets readme image 20220604092747369 png image 20220604092635359 assets assets readme image 20220604092635359 png 1 image 20220604092759746 assets assets readme image 20220604092759746 png 1 image 20220604092824066 assets assets readme image 20220604092824066 png 1 image 20220604092832989 assets assets readme image 20220604092832989 png 2 c image 20220604092842406 assets assets readme image 20220604092842406 png 2 c image 20220604092854484 assets assets readme image 20220604092854484 png 3 image 20220604092904239 assets assets readme image 20220604092904239 png 3 image 20220604092914397 assets assets readme image 20220604092914397 png 5 linux image 20220604092924244 assets assets readme image 20220604092924244 png 5 linux image 20220604092934298 assets assets readme image 20220604092934298 png 6 stm32 rtos image 20220604092942397 assets assets readme image 20220604092942397 png 6 image 20220604092954687 assets assets readme image 20220604092954687 png 7 image 20220604093003557 assets assets readme image 20220604093003557 png 7 image 20220604093014208 assets assets readme image 20220604093014208 png 9 image 20220604093022757 assets assets readme image 20220604093022757 png 10 image 20220604093032095 assets assets readme image 20220604093032095 png hq https wuxiaolie github io hq github io https wuxiaolie github io hq github io gitee https gitee com yang haoqing https gitee com yang haoqing github https github com wuxiaolie https github com wuxiaolie god helps those who help themselves qq 970407688 email haoqingboy 163 com alipay 970407688 qq com heaven rewards diligence orange book welcome please leave a message if you have any questions star | os |
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Restaurant-App | restaurant app if you have any questions don t hesitate to ask me on twitter https twitter com jurabek az gitter https badges gitter im restaurant app community community svg https gitter im restaurant app community community utm source badge utm medium badge utm campaign pr badge restaurant app is containerized polyglot microservices application that contains projects based on net core golang java xamarin react angular and etc the project demonstrates how to develop small microservices for larger applications using containers orchestration service discovery gateway and best practices you are always welcome to improve code quality and contribute it if you have any questions or issues don t hesitate to ask in our gitter https gitter im restaurant app community community utm source badge utm medium badge utm campaign pr badge chat to getting started simply fork this repository please refer to contributing md contributing md for contribution guidelines motivation developing independently deployable and scalable micro services based on best practies using containerization developing cross platform beautiful mobile apps using xamarin forms developing single page applications using react and angular including best practices configuring fully automated ci cd pipelines using github actions to mono repo and azure pipelines and appcenter for mobile using modern technologies such as graphql grpc apache kafka serverless istio writing clean maintainable and fully testable code unit testing integration testing and mocking practices using solid design principles using design patterns and best practices in different programming languages architecture overview the architecture proposes a micro service oriented architecture implementation with multiple autonomous micro services each one owning its own data db and programming language and using rest http as the communication protocol between the client apps and grpc for the backend communication in order to support data update propagation across multiple services list of micro services and infrastructure components table thead th th th service th th description th th build status th th quality th th endpoints th thead tbody tr td align center 1 td td identity api net core identityserver4 td td identity management service powered by oauth2 and openid connect td td a href https github com jurabek restaurant app actions query workflow 3aidentity api img src https github com jurabek restaurant app workflows identity api badge svg a td td a href https sonarcloud io dashboard id restaurant identity api img src https sonarcloud io api project badges measure project restaurant identity api metric alert status a td td a href dev a a href prod a td tr tr td align center 2 td td basket api golang redis td td manages customer basket in order to keep items on in memory cache using redis td td a href https github com jurabek restaurant app actions query workflow 3abasket api img src https github com jurabek restaurant app workflows basket api badge svg a td td a href https sonarcloud io dashboard id restaurant basket api img src https sonarcloud io api project badges measure project restaurant basket api metric alert status a td td a href dev a a href prod a td tr tr td align center 3 td td menu api net core postgresql td td manages data for showing restaurant menu td td a href https github com jurabek restaurant app actions query workflow 3amenu api img src https github com jurabek restaurant app workflows menu api badge svg a td td a href https sonarcloud io dashboard id restaurant menu api img src https sonarcloud io api project badges measure project restaurant menu api metric alert status a td td a href dev a a href prod a td tr tr td align center 4 td td order api java spring boot td td manages customer orders td td a href https github com jurabek restaurant app actions query workflow 3aorder api img src https github com jurabek restaurant app workflows order api badge svg a td td a href https sonarcloud io dashboard id restaurant order api img src https sonarcloud io api project badges measure project restaurant order api metric alert status a td td a href dev a a href prod a td tr tbody table mobile app unfortunately i no longer be able to maintain xamarin mobile part https github com chayxana restaurant app issues 81 mobile build status release android build status https dev azure com jurabek restaurant 20app apis build status chayxana restaurant app branchname develop jobname android https dev azure com jurabek restaurant 20app build latest definitionid 11 branchname develop download android ios build status https dev azure com jurabek restaurant 20app apis build status chayxana restaurant app branchname develop jobname ios https dev azure com jurabek restaurant 20app build latest definitionid 11 branchname develop download ios mobile app developed by xamarin forms and supports ios and android here you can find how to develop cross platform mobile apps using c the example shows how to develop beautiful user interfaces using xamarin forms and how to manage your code with clean architecture on the mobile side and get a clean maintainable testable code img src art 2 png width 210 img src art 3 png width 210 contributors thank you to all the people who have already contributed to our project a href graphs contributors img src https opencollective com restaurant app contributors svg width 890 a | xamarin-forms reactiveui identityserver4 mvvm angular microservices-architecture docker kubernetes react typescript netcore spring-boot microservices golang xamarin polyglot-microservices gitlab-ci sonarqube design-patterns solid-principles | front_end |
OpenCV-Python | opencv python open source computer vision lib | ai |
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awesome-web-development | awesome web development awesome https cdn rawgit com sindresorhus awesome d7305f38d29fed78fa85652e3a63e154dd8e8829 media badge svg https github com sindresorhus awesome https img shields io badge dependencies zero green last commits https img shields io github last commit nepaul awesome web components logo git logocolor white https github com nepaul awesome web components commits master pull requests https img shields io github issues pr nepaul awesome web components logo github logocolor white https github com nepaul awesome web components pulls code size https img shields io github languages code size nepaul awesome web components logo github logocolor white https github com nepaul awesome web components a collection of awesome web development resources show some and star the repo to support the project table of contents awesome web components awesome web components table of contents table of contents guidelines guidelines some reading list some reading list web security web security javascript javascript api api framework framework reactive reactive prototypes sites prototypes sites web workers web workers utils utils css utils css utils javascript utils javascript utils designer designer machine learning ai machine learning ai chart data visualization chart data visualization file file upload upload save save loader loader icon icon notification notification alert alert authentication authentication animations animations images images tools tools sprite sprite compression compression lazyload lazyload filters filters lightbox gallery lightbox gallery static code checking lint static code checkinglint font font datetime step datetime step ui kits ui kits vue vue react react out of box ui solution out of box ui solution wechat wechat others others input input modal modal popper popper drag drag flip flip menus menus editor editor code highlight code highlight markdown markdown highlight highlight clipboard clipboard respond page respond page touch touch 3d 3d scroll parallax scroll parallax search search slider swiper sliderswiper color color conversational conversational tweening engine tweening engine qrcode qrcode emoji emoji new feature introduction new feature introduction typography stylesheet typography stylesheet compatibility compatibility print print pdf pdf sheet sheet fingerprinting fingerprinting math math tools tools 1 models serializers models serializers typescript typescript debug debug apis mock apis mock deploy deploy monitor monitor docs docs images images 1 icons icons project manage project manage ide ide mock mock test test cdn cdn http client request http clientrequest compile pack compile pack webpack webpack desktop apps desktop apps static sites static sites audio video audio video video player video player push notifications push notifications universal universal store store web db web db polyfill polyfill gestures gestures screenshots screenshots ar vr ar vr regex regex figerprint figerprint validation validation boilerplate boilerplate dropload dropload game engine game engine functional functional record and replay record and replay router router math math 1 webassembly webassembly admin admin low code low code node node framework framework 1 midddleware midddleware cli cli open source apps open source apps contribution contribution license license guidelines a set of best practices for javascript projects https github com elsewhencode project guidelines img src https img shields io github stars elsewhencode project guidelines style social height 16 mdo code guide standards for developing flexible durable and sustainable html and css https github com mdo code guide img src https img shields io github stars mdo code guide style social height 16 auto lab jingdong front end coding guidelines html css javascript images names https guide aotu io index html some reading list https img shields io github stars kamranahmedse developer roadmap style social developer roadmap https github com kamranahmedse developer roadmap https img shields io github stars luruke browser 2020 style social browser 2020 https github com luruke browser 2020 this repo contains a non exhaustive list of less known features implemented in browsers today this list isn t intended for a technical audience instead it wants to be a i didn t know we could do that in a browser list in many cases listed features aren t yet part of the standard and may only be available on certain browsers or configurations web security https img shields io github stars owasp cheatsheetseries style social owasp cheat sheet series https github com owasp cheatsheetseries the official repository for the open web application security project owasp cheat sheet series project the project focuses on providing good security practices for builders in order to secure their applications in order to read the cheat sheets and reference them use the project official website the project details can be viewed on the owasp main website without the cheat sheets javascript https img shields io github stars thejsway thejsway style social the javascript way a modern introduction to an essential language https github com thejsway thejsway https img shields io github stars denysdovhan wtfjs style social what the f ck javascript a list of funny and tricky javascript examples javascript is a great language it has a simple syntax large ecosystem and what is most important a great community at the same time we all know that javascript is quite a funny language with tricky parts some of them can quickly turn our everyday job into hell and some of them can make us laugh out loud https github com denysdovhan wtfjs api https img shields io github stars postmanlabs httpbin style social httpbin http httpbin org a tool to feeling restful api framework https img shields io github stars sveltejs svelte style social sveltejs a new way to build web applications it s a compiler that takes your declarative components and converts them into efficient javascript that surgically updates the dom https github com sveltejs svelte https img shields io github stars sveltejs kit style social sveltejs kit https github com sveltejs kit the fastest way to build svelte apps blazing fast production sites ssr spa ssg and in between instantly visible code changes existing universe of plugins fully typed apis https img shields io github stars blitz js blitz style social blitz the fullstack react framework https github com blitz js blitz zero api data layer built on next js inspired by ruby on rails zero api data layer lets you import server code directly into your react components instead of having to manually add api endpoints and do client side fetching and caching new blitz apps come with all the boring stuff already set up for you like eslint prettier jest user sign up log in and password reset provides helpful defaults and conventions for things like routing file structure and authentication while also being extremely flexible https img shields io github stars developit mitt style social mitt https github com developit mitt tiny 200b functional event emitter pubsub microscopic weighs less than 200 bytes gzipped useful a wildcard event type listens to all events familiar same names ideas as node s eventemitter functional methods don t rely on this great name somehow mitt wasn t taken mitt was made for the browser but works in any javascript runtime it has no dependencies and supports ie9 reactive reactivex an api for asynchronous programmingwith observable streams http reactivex io img src https img shields io github stars cyclejs cyclejs style social height 16 cycle js a functional and reactive javascript framework for predictable code https cycle js org prototypes sites foundation the most advanced responsive front end framework in the world https get foundation web workers https img shields io github stars builderio partytown style social partytown is a lazy loaded 6kb library to help relocate resource intensive scripts into a web worker and off of the main thread its goal is to help speed up sites by dedicating the main thread to your code and offloading third party scripts to a web worker https github com builderio partytown https img shields io github stars cloudflare miniflare style social miniflare is a simulator for developing and testing cloudflare workers https github com cloudflare miniflare fun develop workers easily with detailed logging file watching and pretty error pages supporting source maps full featured supports most workers features including kv durable objects websockets modules and more fully local test and develop workers without an internet connection reload code on change quickly it s an alternative to wrangler dev written in typescript that runs your workers in a sandbox implementing workers runtime apis see https miniflare dev for more detailed documentation utils css utils https img shields io github stars tailwindlabs tailwindcss style social tailwindcss rapidly build modern websites without ever leaving your html a utility first css framework packed with classes like flex pt 4 text center and rotate 90 that can be composed to build any design directly in your markup https tailwindcss com https img shields io github stars saadeghi daisyui style social daisyui https github com saadeghi daisyui tailwind css components adds component classes like btn card and more to tailwind css https img shields io github stars necolas normalize css style social normalize css a modern html5 ready alternative to css resets normalize css makes browsers render all elements more consistently and in line with modern standards it precisely targets only the styles that need normalizing http necolas github io normalize css https img shields io github stars jolaleye cssfx style social cssfx beautifully simple click to copy css effects https github com jolaleye cssfx https img shields io github stars csstools sanitize css style social sanitize css is a css library that provides consistent cross browser default styling of html elements alongside useful defaults it is developed alongside normalize css which means every normalization is included and every normalization and opinion are clearly marked and documented https github com csstools sanitize css https img shields io github stars windicss windicss style social windi css next generation utility first css framework if you are already familiar with tailwind css think about windi css as an on demanded alternative to tailwind which provides faster load times fully compatible with tailwind v2 0 and with a bunch of additional cool features https github com windicss windicss neumorphism io https github com adamgiebl neumorphism css code generator for a new popular design trend called neumorphism soft ui i hope this will help designers and developers experiment with it and possibly adapt it built with react js https img shields io github stars codeadrian clay css style social clay css https github com codeadrian clay css micro css util class for applying inflated fluffy 3d claymorphism styles to elements fully customizable and extensible with css variables sass mixin is also included for even more styling options css in js https img shields io github stars emotion js emotions style social emotion the next generation of css in js https github com emotion js emotion emotion is a performant and flexible css in js library building on many other css in js libraries it allows you to style apps quickly with string or object styles it has predictable composition to avoid specificity issues with css with source maps and labels emotion has a great developer experience and great performance with heavy caching in production javascript utils https img shields io github stars vueuse vueuse style social vueuse https github com vueuse vueuse collection of essential vue composition utilities createjs a suite of modular libraries and tools which work together or independently to enable rich interactive content on open web technologies via html5 https createjs com https img shields io github stars createjs soundjs style social soundjs a javascript library for working with audio it provides a consistent api for loading and playing audio on different browsers and devices currently supports webaudio html5 audio cordova phonegap and a flash fallback https github com createjs soundjs https img shields io github stars createjs easeljs style social easeljs the easel javascript library provides a full hierarchical display list a core interaction model and helper classes to make working with the html5 canvas element much easier https github com createjs easeljs https img shields io github stars createjs preloadjs style social preloadjs preloadjs makes preloading assets getting aggregate progress events easier in javascript it uses xhr2 when available and falls back to tag based loading when not https github com createjs preloadjs https img shields io github stars createjs tweenjs style social tweenjs a simple but powerful tweening animation library for javascript part of the createjs suite of libraries https github com createjs tweenjs https img shields io github stars nenadmarkus picojs style social pico js lploc js https github com nenadmarkus picojs pico js a face detection library in 200 lines of javascript approximately 200 lines of pure javascript real time detection demo available at https nenadmarkus com p picojs intro demo lploc js a tiny javascript library for real time localization of eye pupils https img shields io github stars edwinm web component decorator style social web component decorator https github com edwinm web component decorator lightweight typescript decorators for easier handling of attribute changes and cleaner code designer web component designer https github com node projects web component designer a design framework webcomponent to design html using webcomponents machine learning ai neuro js is machine learning framework for building ai assistants and chat bots https github com intelligo systems neuro https img shields io github stars intelligo systems neuro style social img src https img shields io github stars cube js cube js style social height 16 cube js cube js is an open source analytical api platform it is primarily used to build internal business intelligence tools or add customer facing analytics to existing applications https github com cube js cube js cube js was designed to work with serverless query engines like aws athena and google bigquery multi stage querying approach makes it suitable for handling trillions of data points most modern rdbms work with cube js as well and can be tuned for adequate performance unlike others it is not a monolith application but a set of modules which does one thing well cube js provides modules to run transformations and modeling in data warehouse querying and caching managing api gateway and building ui on top of that chart data visualization antv antv g2 g6 f2 l7 https antv alipay com zh cn index html img src https img shields io github stars highcharts highcharts style social height 16 highcharts interactive javascript charts for your web pages http www highcharts com mermaid https github com mermaid js mermaid mermaid lets you create diagrams and visualizations using text and code it is a javascript based diagramming and charting tool that renders markdown inspired text definitions to create and modify diagrams dynamically https mermaid js github io mermaid img header png img src https img shields io github stars ecomfe echarts style social height 16 echarts an easy of adding intuitive interactive and highly customizable charts https github com ecomfe echarts img src https img shields io github stars gionkunz chartist js style social height 16 chartist js simple responsive charts https gionkunz github io chartist js img src https img shields io github stars d3 d3 style social height 16 d3 js a javascript library for manipulating documents based on data using html svg and css https d3js org img src https img shields io github stars spiermar d3 flame graph style social height 16 d3 flame graph a d3 js plugin that produces flame graphs from hierarchical data https github com spiermar d3 flame graph img src https img shields io github stars novus nvd3 style social height 16 nvd3 re usable charts for d3 js http nvd3 org img src https img shields io github stars c3js c3 style social height 16 c3 js d3 based reusable chart library http c3js org plotly js a high level declarative charting library whitch is build on top of d3 js and stack gl https plot ly javascript img src https img shields io github stars vega vega style social height 16 vega a visualization grammar a declarative format for creating saving and sharing interactive visualization designs describe data visualizations in a json format and generate interactive views using either html5 canvas or svg https vega github io vega img src https img shields io github stars leaflet leaflet style social height 16 leaflet an open source javascript libraryfor mobile friendly interactive maps http leafletjs com img src https img shields io github stars uber deck gl style social height 16 deck gl a webgl powered framework for visual exploratory data analysis of large datasets https uber github io deck gl img src https img shields io github stars syt123450 giojs style social height 16 goiojs a declarative 3d globe data visualization library built with three js https giojs org img src https img shields io github stars adrai flowchart js style social height 16 flowchartjs draws simple svg flow chart diagrams from textual representation of the diagram https github com adrai flowchart js img src https img shields io github stars pshihn rough style social height 16 rough create graphics with a hand drawn sketchy appearance https github com pshihn rough img src https img shields io github stars revolist revogrid style social height 16 revogrid powerful data grid component built with stenciljs support millions of cells and thousands columns easy and efficiently for fast data rendering easy to use https github com revolist revogrid img src https img shields io github stars mapbox mapbox gl js style social height 16 mapbox gl js mapbox gl js is a javascript library for interactive customizable vector maps on the web it takes map styles that conform to the mapbox style specification applies them to vector tiles that conform to the mapbox vector tile specification and renders them using webgl mapbox gl js is part of the cross platform mapbox gl ecosystem which also includes compatible native sdks for applications on android ios macos qt and react native mapbox provides building blocks to add location features like maps search and navigation into any experience you create to get started with gl js or any of our other building blocks sign up for a mapbox account https github com mapbox mapbox gl js img src https img shields io github stars riccardoscalco textures style social height 16 textures js textures js is a javascript library for creating svg patterns made on top of d3 js it is designed for data visualization https github com riccardoscalco textures file upload dropzonejs an open source library that provides drag n drop file uploads with image previews http www dropzonejs com jquery file upload plugin https github com blueimp jquery file upload web uploader html5 flash ie6 andorid 4 ios 6 https github com fex team webuploader save filesaver js an html5 saveas filesaver implementation https github com eligrey filesaver js loader css loader simple loaders for your web applications using only one div and pure css http www raphaelfabeni com br css loader single element css spinners each spinner consists of a single div with a class of loader and content text of loading the text is for screen readers and can be used as a fallback state for older browsers https github com lukehaas css loaders nprogress for slim progress bars like on youtube medium https github com rstacruz nprogress https loading io https loading io spinkit a collection of loading indicators animated with css https github com tobiasahlin spinkit https img shields io github stars tobiasahlin spinkit style social icon icones js https icones js org iconify unified icons framework one library over 100 000 vector icons modern replacement for icon fonts fast easy to use https github com iconify font awesome the iconic font and css toolkit http fontawesome io thumbsup cssicon icon set made with pure css code no dependencies grab and go icons http cssicon space ionicons the premium icon font for ionic framework http ionicons com featcher a collection of simply beautiful open source icons each icon is designed on a 24x24 grid with an emphasis on simplicity consistency and readability https github com colebemis feather titanic a collection of animated icons javascript library https github com icons8 titanic notification toastr a javascript library fo non blocking notifications https github com codeseven toastr angular toastr https github com foxandxss angular toastr alert sweetalert a beautiful replacement for javascript s alert https github com t4t5 sweetalert authentication satellizer a token based angularjs authentication https github com sahat satellizer animations motion tiny size huge performance https motion dev a new animation library built on the web animations api for the smallest filesize and the fastest performance lottie for web render after effects animations natively on web android and ios and react native https github com airbnb lottie web velocity js velocity is an animation engine with the same api as jquery s animate it works with and without jquery it s incredibly fast and it features color animation transforms loops easings svg support and scrolling it is the best of jquery and css transitions combined http velocityjs org animate css a cross browser library of css animations as easy to use as an easy thing https github com daneden animate css thumbsup thumbsup thumbsup anijs a library to raise your web design without coding http anijs github io https img shields io github stars ianlunn hover style social hover css a collection of css3 powered hover effects to be applied to links buttons logos svg featured images and so on easily apply to your own elements modify or just use for inspiration available in css sass and less https github com ianlunn hover https img shields io github stars juliangarnier anime style social anime js javascript animation engine https github com juliangarnier anime https img shields io github stars chenglou react motion style social react motion a spring that solves your animation problems https github com chenglou react motion cssfx a carefully crafted collection designed with a focus on fluidity simplicity and ease of use powered by css with minimal markup completely open source and mit licensed https cssfx dev https img shields io github stars inorganik countup js style social countup js animates a numerical value by counting to it https github com inorganik countup js https img shields io github stars hubspot odometer style social odometer a javascript and css library for smoothly transitioning numbers https github com hubspot odometer https img shields io github stars michaelvillar dynamics js style social dynamics js dynamics js is a javascript library to create physics based animations https github com michaelvillar dynamics js https img shields io github stars lukehaas css loaders style social css loaders a collection of loading spinners animated with css https github com lukehaas css loaders https img shields io github stars tholman elevator js style social elevator js finally a back to top button that behaves like a real elevator by adding elevator music to quietly soothe the awkwardness that can ensue when being smoothly scrolled to the top of the screen https github com tholman elevator js https img shields io github stars theatre js theatre style social theatre https github com theatre js theatre heatre js is an animation library for high fidelity motion graphics it is designed to help you express detailed animation enabling you to create intricate movement and convey nuance theatre can be used both programmatically and visually you can use theatre js to animate 3d objects made with three js or other 3d libraries https raw githubusercontent com ariaminaei theatre docs main docs vuepress public preview 3d short gif animate html svg via react or other libraries https raw githubusercontent com ariaminaei theatre docs main docs vuepress public preview dom gif design micro interactions https raw githubusercontent com ariaminaei theatre docs main docs vuepress public preview micro interaction gif choreograph generative interactive art https raw githubusercontent com ariaminaei theatre docs main docs vuepress public preview generative gif or animate any other js variable https raw githubusercontent com ariaminaei theatre docs main docs vuepress public preview console gif https img shields io github stars daniel lundin snabbt js style social thumbsup snabbt js fast animations with javascript and css transforms https github com daniel lundin snabbt js https img shields io github stars spritejs spritejs style social spritejs is a cross platform lightweight 2d render object model draw graphics on a canvas through simple object oriented dom like api vue react preact supported https github com spritejs spritejs images watermarkjs watermarking for the browser https github com brianium watermarkjs fancybox a tool that offers a nice and elegant way to add zooming functionality for images html content and multi media on your webpages http fancyapps com fancybox mo js is a javascript motion graphics library that is a fast retina ready modular and open source in comparison to other libraries it have a different syntax and code animation structure approach the declarative api provides you a complete control over the animation making it customizable with ease the library provides built in components to start animating from scratch like html shape swirl burst and stagger but also bring you tools to help craft your animation in a most natural way using mojs on your site will enhance the user experience enrich your content visually and create delightful animations precisely https github com mojs mojs anime js n me is a lightweight javascript animation library with a simple yet powerful api it works with css properties svg dom attributes and javascript objects https animejs com bigscreen a simple library for using the javascript fullscreen api https brad is coding bigscreen thumber imagemagick use imagemagick to create edit compose or convert bitmap images https www imagemagick org script index php graphicsmagick is the swiss army knife of image processing comprised of 267k physical lines of source code in the base package or 1 225k including 3rd party libraries it provides a robust and efficient collection of tools and libraries which support reading writing and manipulating an image in over 88 major formats including important formats like dpx gif jpeg jpeg 2000 png pdf pnm and tiff http www graphicsmagick org photoswipe javascript image gallery for mobile and desktop https github com dimsemenov photoswipe tools https img shields io github stars renzhezhilu webp2jpg online style social webp2jpg online online image format converter jpeg jpg png gif webp svg ico bmp files into jpeg png webp ico gif files the conversion can be done locally without uploading the file online picture format converter can convert jpeg jpg png gif webp svg ico bmp files into jpeg png webp ico gif files no need to upload files conversion can be done locally https github com renzhezhilu webp2jpg online https img shields io github stars joe bell plaiceholder style social plaiceholder https github com joe bell plaiceholder plaiceholder is a collection of node js helpers for creating low quality image placeholders with several approaches to choose from 1 css recommended 2 svg 3 base64 4 blurehash 5 blurehash to css experimental sprite sprintf js is a complete open source javascript sprintf implementation for the browser and node js https github com alexei sprintf js compression image compressor a simple javascript image compressor uses the browser s native canvas toblobhttps developer mozilla org en us docs web api htmlcanvaselement toblob api to do the compression work general use this to precompress a client image file before upload it https developer mozilla org en us docs web api htmlcanvaselement toblob google guetzli guetzli is a jpeg encoder that aims for excellent compression density at high visual quality guetzli generated images are typically 20 30 smaller than images of equivalent quality generated by libjpeg guetzli generates only sequential nonprogressive jpegs due to faster decompression speeds they offer https github com google guetzli lazyload jquery lazyload vanilla javascript plugin for lazyloading images https github com tuupola jquery lazyload verlok lazyload lazyload is a fast lightweight and flexible script that speeds up your web application by loading images as they enter the viewport it s written in plain vanilla javascript uses intersectionobserver and supports responsive images it s also seo friendly and it has some other notable features https github com verlok lazyload filters instagram css pure css instagram filters you can add all these instagram like filters to your photos with using css only thanks to the cssgram for inspiration https github com picturepan2 instagram css lightbox gallery spotlight web s most easy to integrate lightbox gallery library super lightweight outstanding performance no dependencies https github com nextapps de spotlight static code checking lint https img shields io github stars conventional changelog commitlint style social commitlint https github com conventional changelog commitlint lint commit messages be a good commitizen share configuration via npm tap into conventional changelog font https img shields io github stars lxgw lxgwwenkai style social lxgw wenkai https github com lxgw lxgwwenkai an open source chinese font derived from fontworks klee one fontworks klee one https img shields io github stars wordshub free font style social free font https github com wordshub free font 6763 gbk 20902 gb 18064 https img shields io github stars ach k cubic 11 style social 11 cubic 11 https github com ach k cubic 11 11 m gothic 12r https user images githubusercontent com 98224334 150676673 273f8c82 b9f4 4a76 ad97 5528c99905f6 png datetime step react chrono https github com prabhuignoto react chrono a flexible timeline component for react react chrono showcase https github com prabhuignoto react chrono raw master readme assets demo3 gif render timelines in three different modes horizontal vertical vertical alternating auto play the timeline with the slideshow mode display images videos in the timeline with ease keyboard accessible render custom content easily data driven api customize colors with ease use custom icons in the timeline built with typescript styled with emotion ui kits bootstrap may be the most popular html css and js framework for developing responsive mobile first projects on the web http getbootstrap com flat ui based on bootstrap a comfortable responsive and functional framework that simplifies the development of websites https github com designmodo flat ui gentelella an awesome free bootstrap 3 admin template https github com puikinsh gentelella material design https material google com material design lite material design components in html css js https github com google material design lite materialize a modern responsive front end framework based on material design http materializecss com material ui react components that implement google s material design https github com callemall material ui bootstrap material design material design for bootstrap is a theme for bootstrap 3 which lets you use the new google material design in your favorite front end framework https mdbootstrap com bulma a modern css framework based on flexbox http bulma io primer css primer is the css toolkit that powers github s front end design it s purposefully limited to common components to provide our developers with the most flexibility and to keep github uniquely githubby it s built with scss and available via npm so it s easy to include all or part of it within your own project https github com primer primer css semantic ui a ui component framework based around useful principles from natural language https github com semantic org semantic ui vue muse ui material design ui library for vuejs 2 0 https muse ui org buefy lightweight ui components for vue js based on bulma https github com buefy buefy vux mobile ui components based on vue weui https github com airyland vux vuesax new framework components for vue js 2 https github com lusaxweb vuesax mint ui mobile ui elements for vue js by eleme https github com elemefe mint ui at ui a fresh and flat ui kit specially for desktop application made with by vue js 2 0 https github com at ui at ui nutui 2 jingdong a light mobile toolkit based on vue https github com jdf2e nutui element plus vue 3 0 composition api written in typescript https github com element plus element plus img src https img shields io github stars element plus element plus style social height 16 react https img shields io github stars chakra ui chakra ui style social chakra ui https github com chakra ui chakra ui chakra ui provides a set of accessible reusable and composable react components that make it super easy to create websites and apps https img shields io github stars officedev office ui fabric react style social office ui fabric react react components for building experiences for office and office 365 https github com officedev office ui fabric react https img shields io github stars segmentio evergreen style social evergreen evergreen react ui framework by segment https github com segmentio evergreen out of box ui solution ant design pro an out of box ui solution for enterprise applications as a react boilerplate https pro ant design wechat minui minui https github com meili minui wxapp market https github com o2team wxapp market others sui mobile ued ui https github com sdc alibaba sui mobile input cleave js has a simple purpose to help you format input text content automatically https github com nosir cleave js modal animatedmodal js strong beautiful a jquery plugin to create a fullscreen modal with css3 transitions http joaopereirawd github io animatedmodal js vex a modern dialog library which is highly configurable and easy to style https github com hubspot vex popper webui popover a lightweight popover plugin with jquery enchance the popover plugin of bootstrap with some awesome new features it works well with bootstrap but bootstrap is not necessary https github com sandywalker webui popover popper js a kickass library to manage your poppers https github com fezvrasta popper js drag dragula browser support includes every sane browser and ie7 framework support includes vanilla javascript angular and react https github com bevacqua dragula vue draggable vue component allowing drag and drop sorting in sync with view model based on sortable js https github com sortablejs vue draggable sortable is a javascript library for reorderable drag and drop lists on modern browsers and touch devices no jquery required supports meteor angularjs react polymer vue knockout and any css library e g bootstrap https github com sortablejs sortable react beautiful dnd beautiful and accessible drag and drop for lists with react https github com atlassian react beautiful dnd vvvebjs drag and drop website builder javascript library http www vvveb com vvvebjs editor html https github com givanz vvvebjs flip react flip move effortless animation between dom changes eg list reordering using the flip technique https github com joshwcomeau react flip move https img shields io github stars joshwcomeau react flip move style social menus snap js a library for creating beautiful mobile shelfs in javascript facebook and path style side menus https github com jakiestfu snap js editor backlight https backlight dev with collaboration between developers and designers at heart backlight is a very complete coding platform where teams build document publish scale and maintain design systems webcomponents dev https webcomponents dev in browser ide to code web components in isolation with 58 templates available supporting stories and tests https img shields io github stars codemirror codemirror style social codemirror https github com codemirror codemirror codemirror is a versatile text editor implemented in javascript for the browser it is specialized for editing code and comes with over 100 language modes and various addons that implement more advanced editing functionality every language comes with fully featured code and syntax highlighting to help with reading and editing complex code editor js next generation block styled editor free use for pleasure https editorjs io ace a standalone code editor written in javascript https github com ajaxorg ace draft js a framework for building rich text editors in react powered by an immutable model and abstracting over cross browser differences https facebook github io draft js pell pell is the simplest and smallest wysiwyg text editor for web with no dependencies https github com jaredreich pell tinymce the world s most popular javascript library for rich text editing available for react vue and angular https github com tinymce tinymce microsoft monaco editor a browser based code editor which powers vs code https github com microsoft monaco editor ckeditor smart wysiwyg html editor https ckeditor com quill your powerful rich text editor https quilljs com react quill https www npmjs com package react quill https img shields io github stars prismjs prism style social prismjs https github com prismjs prism prism is a lightweight robust and elegant syntax highlighting library it s a spin off project from dabblet https img shields io github stars retejs rete style social rete js javascript typescript framework for visual programming rete is a modular framework for visual programming rete allows you to create node based editor directly in the browser you can define nodes and workers that allow users to create instructions for processing data in your editor without a single line of code https github com retejs rete code highlight https img shields io github stars shikijs shiki style social shiki https github com shikijs shiki a beautiful syntax highlighter demo https shiki matsu io markdown https img shields io github stars benweet stackedit style social stackedit in browser markdown editor https github com benweet stackedit https img shields io github stars markdown it markdown it style social markdown it https github com markdown it markdown it markdown parser done right fast and easy to extend https img shields io github stars sparksuite simplemde markdown editor style social simplemde markdown editor https github com sparksuite simplemde markdown editor a drop in javascript textarea replacement for writing beautiful and understandable markdown the wysiwyg esque editor allows users who may be less experienced with markdown to use familiar toolbar buttons and shortcuts in addition the syntax is rendered while editing to clearly show the expected result headings are larger emphasized words are italicized links are underlined etc simplemde is one of the first editors to feature both built in autosaving and spell checking https img shields io github stars vanessa219 vditor style social vditor vditor markdown typora typescript javascript vue react angular https github com vanessa219 vditor highlight highlight js highlight js is a syntax highlighter written in javascript it works in the browser as well as on the server it works with pretty much any markup doesn t depend on any framework and has automatic language detection https github com isagalaev highlight js hr js tiny javascript plugin for highlighting and replacing text in the dom https github com mburakerman hrjs clipboard clipboard js a modern approach to copy text to clipboard no flash no frameworks just 3kb gzipped https github com zenorocha clipboard js respond page respond js a fast lightweight polyfill for min max width css3 media queries for ie 6 8 and more https github com scottjehl respond touch alloyfinger super tiny size multi touch gestures library for the web https github com alloyteam alloyfinger 3d stack gl http stack gl is an open software ecosystem for webgl built on top of browserify and npm inspired by the unix philosophy stackgl modules do one thing and do it well it is easy to use parts of stackgl la carte and because it is written from the bottom up you can always drill down a layer unlike many 3d engines stackgl emphasizes writing shader code and provides powerful tools like glslify which bring the modularity and productivity of npm to glsl https img shields io github stars mrdoob three js style social three js a javascript 3d library which makes webgl simpler https threejs org https img shields io github stars cesiumgs cesium style social cesiumjs is a javascript library for creating 3d globes and 2d maps in a web browser without a plugin it uses webgl for hardware accelerated graphics and is cross platform cross browser and tuned for dynamic data visualization https github com cesiumgs cesium https img shields io github stars whitestormjs whs js style social whs js super fast 3d framework for web applications games based on three js https github com whitestormjs whs js scroll parallax iscrolljs iscroll is a high performance small footprint dependency free multi platform javascript scroller https github com cubiq iscroll scrollreveal is a javascript library for easily animating elements as they enter leave the viewport it was designed to be robust and flexible but hopefully you ll be surprised below at how easy it is to pick up https github com scrollreveal scrollreveal https img shields io github stars pixelcog parallax js style social parallax js simple parallax scrolling effect inspired by spotify com implemented as a jquery plugin https github com pixelcog parallax js rellax lightweight vanilla javascript parallax library https github com dixonandmoe rellax https img shields io github stars dixonandmoe rellax style social search thumbsup thumbsup thumbsup list js tiny invisible and simple yet powerful and incredibly fast vanilla javascript that adds search sort filters and flexibility to plain html lists tables or anything http listjs com slider swiper islider smooth mobile touch slider for mobile webapp html5 app hybrid app https github com be fe islider color https img shields io github stars casesandberg react color style social react color https github com casesandberg react color 1 13 different pickers sketch photoshop chrome and many more 2 make your own use the building block components to make your own https img shields io github stars bgrins tinycolor style social tinycolor https github com bgrins tinycolor tinycolor is a small fast library for color manipulation and conversion in javascript it allows many forms of input while providing color conversions and other color utility functions it has no dependencies conversational https img shields io github stars alibaba chatui style social chatui the ui design language and react library for conversational ui https github com alibaba chatui tweening engine tween js javascript tweening engine for easy animations incorporating optimised robert penner s equations https github com tweenjs tween js qrcode qrcodejs just for making qrcode and no other depedencies it supports cross browser with html5 canvas and table tag in dom https github com davidshimjs qrcodejs qrious pure javascript library for qr code generation using canvas https github com neocotic qrious emoji twemoji twitter emoji for everyone https github com twitter twemoji new feature introduction intro js a better way for new feature introduction and step by step users guide for your website and project https github com usablica intro js typography stylesheet typo css https github com sofish typo css https github com sparanoid chinese copywriting guidelines yue css a typography stylesheet for readable content https github com lepture yue css compatibility html5shiv this script is the defacto way to enable use of html5 sectioning elements in legacy internet explorer https github com afarkas html5shiv es6 promise a polyfill for es6 style promises https github com stefanpenner es6 promise print gutenber modern framework to print correctly https github com bafs gutenberg pdf react pdf create pdf files using react https github com diegomura react pdf sheet https img shields io github stars mengshukeji luckysheet style social luckysheet luckysheet is an online spreadsheet like excel that is powerful simple to configure and completely open source https github com mengshukeji luckysheet fingerprinting https img shields io github stars jonasstrehle supercookie style social supercookie https github com jonasstrehle supercookie supercookie uses favicons to assign a unique identifier to website visitors unlike traditional tracking methods this id can be stored almost persistently and cannot be easily cleared by the user the tracking method works even in the browser s incognito mode and is not cleared by flushing the cache closing the browser or restarting the operating system using a vpn or installing adblockers live demo https supercookie me math https img shields io github stars katex katex style social katex https github com katex katex katex is a fast easy to use javascript library for tex math rendering on the web fast katex renders its math synchronously and doesn t need to reflow the page see how it compares to a competitor in this speed test print quality katex s layout is based on donald knuth s tex the gold standard for math typesetting self contained katex has no dependencies and can easily be bundled with your website resources server side rendering katex produces the same output regardless of browser or environment so you can pre render expressions using node js and send them as plain html katex is compatible with all major browsers including chrome safari firefox opera edge and ie 11 katex supports much but not all of latex and many latex packages tools https img shields io github stars preactjs wmr style social wmr https github com preactjs wmr the tiny all in one development tool for modern web apps in a single 2mb file with no dependencies all the features you d expect and more from development to production no entry points or pages to configure just html files with script type module safely import packages from npm without installation smart bundling and caching for npm dependencies hot reloading for modules preact components and css lightning fast jsx support that you can debug in the browser import css files and css modules module css out of the box support for typescript static file serving with hot reloading of css and images highly optimized rollup based production output wmr build crawls and pre renders your app s pages to static html at build time built in http2 in dev and prod wmr serve http2 supports rollup plugins even in development where rollup isn t used fountainjs one yeoman generator for all your frontend projects http fountainjs io sizzy a tool for developing responsive websites crazy fast https github com kitze sizzy pencil2 jsfiddle online web developemnt editor https jsfiddle net pencil2 codepen io codepen is a social development environment for front end designers and developers http codepen io nodemon monitor for any changes in your node js application and automatically restart the server perfect for development https github com remy nodemon 1 json server mock get a full fake rest api with zero coding in less than 30 seconds seriously https github com typicode json server 1 1 1 emmet the essential toolkit for web developers https emmet io browserstack instant access to all real mobile and desktop browsers say goodbye to your lab of devices and virtual machines https www browserstack com logrocket records everything users do on your site helping you reproduce bugs and fix issues faster https logrocket com models serializers https img shields io github stars quicktype quicktype style social quicktype https github com quicktype quicktype generates strongly typed models and serializers from json json schema typescript and graphql queries making it a breeze to work with json type safely in many programming languages typescript https img shields io github stars airbnb ts migrate style social ts migrate is a tool for helping migrate code to typescript it takes a javascript or a partial typescript project in and gives a compiling typescript project out https github com airbnb ts migrate debug https img shields io github stars tencent vconsole style social vconsole a lightweight extendable front end developer tool for mobile web page https github com tencent vconsole apis mock api blueprint is simple and accessible to everybody involved in the api lifecycle its syntax is concise yet expressive with api blueprint you can quickly design and prototype apis to be created or document and test already deployed mission critical apis https apiblueprint org https img shields io github stars slatedocs slate style social slate slate helps you create beautiful intelligent responsive api documentation https github com slatedocs slate deploy now global serverless deployments now makes serverless application deployment easy don t spend time configuring the cloud just push your code https zeit co now vercel develop preview ship https vercel com vercel combines the best developer experience with an obsessive focus on end user performance our platform enables frontend teams to do their best work heroku https www heroku com heroku is a cloud platform as a service paas supporting several programming languages one of the first cloud platforms heroku has been in development since june 2007 when it supported only the ruby programming language but now supports java node js scala clojure python php and go for this reason heroku is said to be a polyglot platform as it has features for a developer to build run and scale applications in a similar manner across most languages heroku was acquired by salesforce com in 2010 for 212 million monitor https img shields io github stars signoz signoz style social signoz https github com signoz signoz signoz is an open source apm it helps developers monitor their applications troubleshoot problems an open source alternative to datadog newrelic etc open source application performance monitoring apm observability tool https img shields io github stars openreplay openreplay style social openreplay session replay for developers https github com openreplay openreplay the most advanced open source session replay to build delightful web apps docs https img shields io github stars facebook docusaurus style social facebook docusaurus https github com facebook docusaurus docusaurus is a project for building deploying and maintaining open source project websites easily https img shields io github stars docsifyjs docsify style social docsify a magical documentation site generator https docsify js org https img shields io github stars documentationjs documentation style social documentation js the documentation system for modern javascript https github com documentationjs documentation https img shields io github stars leptosia docute style social docute effortless documentation done right https github com leptosia docute https img shields io github stars esdoc esdoc style social esdoc good documentation for javascript https github com esdoc esdoc images make images smaller using best in class codecs right in the browser by googlechormelabs https squoosh app tinypng client for mac https github com kyleduo tinypng4mac icons iconmonstr discover 4486 free icons in 310 collections https iconmonstr com https img shields io github stars bytedance iconpark style social iconpark iconpark gives access to more than 2000 high quality icons and introduces an interface for customizing your icons instead of using various svg source files to achieve different themes we implement a technology transforming attributes of a single svg source file into multiple themes besides we provide cross platform components including react icons vue icons and svg icons so whether you are a designer or a developer you can use them in your designs or your projects for free https github com bytedance iconpark https img shields io github stars tabler tabler icons style social tabler icons a set of over 1250 free mit licensed high quality svg icons for you to use in your web projects each icon is designed on a 24x24 grid and a 2px stroke https github com tabler tabler icons project manage img src https img shields io github stars lerna lerna style social height 16 lerna a tool for managing javascript projects with multiple packages https github com lerna lerna splitting up large codebases into separate independently versioned packages is extremely useful for code sharing however making changes across many repositories is messy and difficult to track and testing across repositories becomes complicated very quickly to solve these and many other problems some projects will organize their codebases into multi package repositories sometimes called monorepos projects like babel react angular ember meteor jest and many others develop all of their packages within a single repository lerna is a tool that optimizes the workflow around managing multi package repositories with git and npm lerna can also reduce the time and space requirements for numerous copies of packages in development and build environments normally a downside of dividing a project into many separate npm packages see the hoist documentation for details img src https img shields io github stars pnpm pnpm style social height 16 pnpm fast disk space efficient package manager https github com pnpm pnpm fast up to 2x faster than the alternatives see benchmark efficient files inside node modules are linked from a single content addressable storage great for monorepos strict a package can access only dependencies that are specified in its package json deterministic has a lockfile called pnpm lock yaml works everywhere supports windows linux and macos battle tested used in production by teams of all sizes since 2016 source control simple git hooks https github com toplenboren simple git hooks a tool that lets you easily manage git hooks zero dependency small configuration 1 object in package json lightweight package unpacked size with deps husky v4 4 3 8 53 5 kb 1 mb husky v6 6 0 0 6 86 kb 6 86 kb pre commit 1 2 2 80 kb 850 kb simple git hooks 2 2 0 10 1 kb 10 1 kb ide https img shields io github stars bytedance iconpark style social codetour https github com microsoft codetour codetour is a visual studio code extension which allows you to record and play back guided walkthroughs of your codebases it s like a table of contents that can make it easier to onboard or re board to a new project feature area visualize bug reports or understand the context of a code review pr change a code tour is simply a series of interactive steps each of which are associated with a specific directory or file line and include a description of the respective code this allows developers to clone a repo and then immediately start learning it without needing to refer to a contributing md file and or rely on help from others tours can either be checked into a repo to enable sharing with other contributors or exported to a tour file which allows anyone to replay the same tour without having to clone any code to do it mock easy mock https www easy mock com mock a simulation data generator https github com nuysoft mock https img shields io github stars marak faker js style social faker js generate massive amounts of fake data in the browser and node js https github com marak faker js test macaca solution for automation test with ease https macacajs com ava futuristic javascript test runner even though javascript is single threaded io in node js can happen in parallel due to its async nature ava takes advantage of this and runs your tests concurrently which is especially beneficial for io heavy tests in addition test files are run in parallel as separate processes giving you even better performance and an isolated environment for each test file from mocha to ava in pageres brought the test time down from 31 to 11 seconds having tests run concurrently forces you to write atomic tests meaning tests don t depend on global state or the state of other tests which is a great thing https github com avajs ava jest facebook delightful javascript testing https facebook github io jest img src https img shields io github stars cucumber cucumber js style social height 16 cucumber js bbd cucumber is a tool for running automated tests written in plain language because they re written in plain language they can be read by anyone on your team because they can be read by anyone you can use them to help improve communication collaboration and trust on your team https github com cucumber cucumber js cucumber js is the javascript implementation of cucumber and runs on the maintained node js versions https img shields io github stars marmelab gremlins js style social gremlins js https github com marmelab gremlins js a monkey testing library written in javascript for node js and the browser use it to check the robustness of web applications by unleashing a horde of undisciplined gremlins https img shields io github stars grafana k6 style social k6 https github com grafana k6 a modern load testing tool for developers and testers in the devops era k6is a modern load testing tool building on our years of experience in the load and performance testing industry it provides a clean approachable scripting api local and cloud execution and flexible configuration webpagetest https www webpagetest org webpage test measures web performance metrics in real browsers is highly programmable and could scale to test millions of sites per day cdn jsdelivr a free super fast cdnfor developers and webmasters http www jsdelivr com http client request axios promise based http client for the browser and node js https github com mzabriskie axios reqwest all over again includes support for xmlhttprequest jsonp cors and commonjs promises a it is also isomorphic allowing you to require reqwest in node js through the peer dependency xhr2 albeit the original intent of this library is for the browser for a more thorough solution for node js see mikeal request https github com ded reqwest compile pack flow is a static type checker for javascript https flow org parcel blazing fast zero configuration web application bundler https parceljs org prettier is an opinionated code formatter https github com prettier prettier prepack a tool for making javascript code run faster https prepack io img src https img shields io github stars evanw esbuild style social height 16 esbuild an extremely fast javascript bundle https github com evanw esbuild img src https github com evanw esbuild blob master images benchmark svg https img shields io github stars swc project swc style social swc https github com swc project swc is a super fast typescript javascript compiler written in rust it s a library for rust and javascript at the same time if you are using swc from rust see rustdoc and for most users your entrypoint for using library will be parser webpack happypack happiness in the form of faster webpack build times https github com amireh happypack webpack bundle analyzer webpack plugin and cli utility that represents bundle content as convenient interactive zoomable treemap https github com webpack contrib webpack bundle analyzer desktop apps https img shields io github stars tauri apps tauri style social tauri https github com tauri apps tauri tauri is a framework for building tiny blazing fast binaries for all major desktop platforms developers can integrate any front end framework that compiles to html js and css for building their user interface the backend of the application is a rust sourced binary with an api that the front end can interact with the user interface in tauri apps currently leverages cocoa webkit on macos gtk webkit2 on linux and mshtml ie10 11 or webkit via edge on windows tauri uses and contributes to the mit licensed project that you can find at webview and the related webview organization static sites gatsby blazing fast modern site generator for react go beyond static sites build blogs e commerce sites full blown apps and more with gatsby https github com gatsbyjs gatsby react static a progressive static site generator for react https github com nozzle react static audio video https img shields io github stars ffmpegwasm ffmpeg wasm style social ffmpeg wasm https github com ffmpegwasm ffmpeg wasm is a pure webassembly javascript port of ffmpeg it enables video audio record convert and stream right inside browsers https img shields io github stars phoboslab jsmpeg style social jsmpeg mpeg1 video mp2 audio decoder in javascript https github com phoboslab jsmpeg jsmpeg is a video player written in javascript it consists of an mpeg ts demuxer mpeg1 video mp2 audio decoders webgl canvas2d renderers and webaudio sound output jsmpeg can load static videos via ajax and allows low latency streaming 50ms via websockets jsmpeg can decode 720p video at 30fps on an iphone 5s works in any modern browser chrome firefox safari edge and comes in at just 20kb gzipped https img shields io github stars muaz khan recordrtc style social recordrtc https github com muaz khan recordrtc webrtc javascript library for audio video screen canvas 2d 3d animation recording https img shields io github stars scottschiller soundmanager2 style social soundmanager2 a javascript sound api supporting mp3 mpeg4 and html5 audio rtmp providing reliable cross browser platform audio control in as little as 12 kb bsd licensed https github com scottschiller soundmanager2 video player https img shields io github stars videojs video js style social video js an html5 flash video player https github com videojs video js https img shields io github stars diygod dplayer style social dplayer is a lovely html5 danmaku video player to help people build video and danmaku easily https github com diygod dplayer https img shields io github stars diygod aplayer style social aplayer a beautiful html5 music player https github com diygod aplayer https img shields io github stars bytedance xgplayer style social xgplayer https github com bytedance xgplayer is a web video and audio player library designed with separate detachable ui components since everything is componentized the ui layer is very flexable xgplayer is bold in its functionality it gets rid of video loading buffering and format support for video dependence for mp4 that does not support streaming you can use staged loading this means load control seamless switching without artifacts and video bandwidth savings it also integrates on demand and live support for flv hls and dash https img shields io github stars mbebenita broadway style social broadway a javascript h 264 decoder https github com mbebenita broadway https img shields io github stars jwplayer jwplayer style social jwplayer may be the world s most popular embeddable media player https github com jwplayer jwplayer https img shields io github stars flowplayer flowplayer style social flowplayer the html5 video player for the web https github com flowplayer flowplayer push notifications https img shields io github stars nickersoft push js style social push https github com nickersoft push js is the fastest way to get up and running with javascript desktop notifications a fairly new addition to the official specification the notification api allows modern browsers such as chrome safari firefox and ie 9 to push notifications to a user s desktop push acts as a cross browser solution to this api falling back to use older implementations if the user s browser does not support the new api universal nuxt universal vue js applications https nuxtjs org store https img shields io github stars localforage localforage style social localforage https github com localforage localforage localforage is a fast and simple storage library for javascript localforage improves the offline experience of your web app by using asynchronous storage indexeddb or websql with a simple localstorage like api localforage uses localstorage in browsers with no indexeddb or websql support see the wiki for detailed compatibility info store js cross browser storage for all use cases used across the web https github com marcuswestin store js web db pouchdb is an open source javascript database inspired by apache couchdb that is designed to run well within the browser https pouchdb com rxdb a realtime database for the web https github com pubkey rxdb polyfill fastclick is a simple easy to use library for eliminating the 300ms delay between a physical tap and the firing of a click event on mobile browsers the aim is to make your application feel less laggy and more responsive while avoiding any interference with your current logic note as of late 2015 most mobile browsers notably chrome and safari no longer have a 300ms touch delay so fastclick offers no benefit on newer browsers and risks introducing bugs into your application consider carefully whether you really need to use it https github com ftlabs fastclick gestures hammer js a javascript library for multi touch gestures https github com hammerjs hammer js screenshots html2canvas screenshots with javascript https github com niklasvh html2canvas ar vr https img shields io github stars jeromeetienne ar js style social ar js efficient augmented reality for the web 60fps on mobile https github com jeromeetienne ar js https img shields io github stars hiukim mind ar js style social mindar https github com hiukim mind ar js for location based ar and marker based ar checkout ar js https github com ar js org ar js mindar is a lightweight library for web augmented reality highlighted features include support image tracking and face tracking written in pure javascript end to end from the underlying computer vision engine to frontend utilize gpu through webgl and web worker for performance developer friendly easy to setup with aframe extension you can get your app starts with only 10 lines of codes regex xregexp provides augmented and extensible javascript regular expressions you get modern syntax and flags beyond what browsers support natively xregexp is also a regex utility belt with tools to make your grepping and parsing easier while freeing you from regex cross browser inconsistencies and other annoyances xregexp supports all native es6 regular expression syntax it supports es5 browsers and you can use it with node js or as a requirejs module https github com slevithan xregexp figerprint fingerprintjs2 odern flexible browser fingerprinting library http valve github io fingerprintjs2 validation v8n javascript fluent validation library https github com imbrn v8n boilerplate react firebase starter boilerplate seed project for creating web apps with react js graphql js and relay https github com kriasoft react firebase starter dropload ximan dropload a javascript implementation of pull to refresh and up to loadmore https github com ximan dropload game engine phaser phaser is a fun free and fast 2d game framework for making html5 games for desktop and mobile web browsers supporting canvas and webgl rendering https phaser io functional ramda practical functional javascript https github com ramda ramda record and replay rrweb is an open source web session replay library which provides easy to use apis to record user s interactions and replay it remotely powerd by typescript https www rrweb io router director a tiny and isomorphic url router for javascript https github com flatiron director math https img shields io github stars josdejong mathjs style social mathjs https mathjs org an extensive math library for javascript and node js webassembly https img shields io github stars emscripten core emscripten style social emscripten emscripten compiles c and c to webassembly using llvm and binaryen emscripten output can run on the web in node js and in wasm runtimes https github com emscripten core emscripten emscripten provides web support for popular portable apis such as opengl and sdl2 allowing complex graphical native applications to be ported such as the unity game engine and google earth it can probably port your codebase too while emscripten mostly focuses on compiling c and c using clang it can be integrated with other llvm using compilers for example rust has emscripten integration with the wasm32 unknown emscripten and asmjs unknown emscripten targets https img shields io github stars wasmerio wasmer style social wasmer wasmer enables super lightweight containers based on webassembly that can run anywhere from desktop to the cloud and iot devices and also embedded in any programming language https github com wasmerio wasmer https img shields io github stars wasmedge wasmedge style social wasmedge https github com wasmedge wasmedge wasmedge previously known as ssvm is a lightweight high performance and extensible webassembly runtime for cloud native edge and decentralized applications it is the fastest wasm vm today wasmedge is an official sandbox project hosted by the cncf its use cases include serverless apps embedded functions microservices smart contracts and iot devices admin https img shields io github stars panjiachen vue element admin style social vue element admin vue element admin is a production ready front end solution for admin interfaces it is based on vue and uses the ui toolkit element ui https github com panjiachen vue element admin low code https img shields io github stars artf grapesjs style social grapesjs https github com artf grapesjs is a free and open source web builder framework which helps building html templates faster and easily to be delivered in sites newsletters or mobile apps mainly grapesjs was designed to be used inside a cms to speed up the creation of dynamic templates https img shields io github stars ly525 luban h5 style social luban h5 https github com ly525 luban h5 mobile page builder generator with drag drop node framework https img shields io github stars nestjs nest style social nest a progressive node js framework for building efficient and scalable server side applications https github com nestjs nest midddleware https img shields io github stars prisma prisma style social prisma https www prisma io next generation orm for node js typescript https img shields io github stars chimurai http proxy middleware style social http proxy middleware node js proxying made simple configure proxy middleware with ease for connect express browser sync and many more https github com chimurai http proxy middleware powered by the popular nodejitsu http proxy https github com http party node http proxy cli https img shields io github stars vercel pkg style social pkg https github com vercel pkg this command line interface enables you to package your node js project into an executable that can be run even on devices without node js installed https img shields io github stars vercel ncc style social ncc https github com vercel ncc simple cli for compiling a node js module into a single file together with all its dependencies gcc style motivation publish minimal packages to npm only ship relevant app code to serverless environments don t waste time configuring bundlers generally faster bootup time and less i o overhead compiled language like experience e g go design goals zero configuration typescript built in only supports node js programs as input output support all node js patterns and npm modules https img shields io github stars dominikwilkowski cfonts style social cfonts https github com dominikwilkowski cfonts this is a silly little command line tool for sexy fonts in the console give your cli some love open source apps https img shields io github stars marktext marktext style social marktext next generation markdown editor https github com marktext marktext a simple and elegant open source markdown editor that focused on speed and usability available for linux macos and windows https img shields io github stars slidevjs slidev style social slidev https github com slidevjs slidev presentation slides for developers https img shields io github stars aykutsarac jsonvisio com style social jsonvisio com https github com aykutsarac jsonvisio com json visio is a tool that generates graph diagrams from json objects these diagrams are much easier to navigate than the textual format and to make it even more convenient the tool also allows you to search the nodes additionally the generated diagrams can also be downloaded or clipboard as image you can use the web version at jsonvisio com or also run it locally as docker container https img shields io github stars toeverything affine style social affine https github com toeverything affine the next gen knowledge base to replace notion miro https img shields io github stars tldraw tldraw style social tldraw a tiny little drawing app https github com tldraw tldraw try it online https www tldraw com https img shields io github stars hackjutsu lepton style social lepton is a lean code snippet manager powered by github gist https github com hackjutsu lepton https img shields io github stars th3wall fakeflix style social fakeflix https github com th3wall fakeflix a netflix clone built with react redux https img shields io github stars dashibase lotion style social lotion https github com dashibase lotion an open source notion ui built with vue 3 https img shields io github stars wappalyzer wappalyzer style social wappalyzer https github com wappalyzer wappalyzer wappalyzer identifies technologies on websites such as cms web frameworks ecommerce platforms javascript libraries analytics tools and more https www wappalyzer com technologies https img shields io github stars microsoft clarity style social microsoft clarity https github com microsoft clarity is an open source behavioral analytics library written in typescript with two key goals privacy performance it helps you understand how users view and use your website across all modern devices and browsers understanding how users navigate interact and browse your website can provide new insights about your users empathizing with your users and seeing where features fail or succeed can help improve your product grow revenue and improve user retention it s the same code that powers microsoft s hosted behavioral analytics solution https clarity microsoft com if you would like to see a demo of how it works checkout live demo we encourage the community to join us in building the best behavioral analytics library that puts privacy first and prioritizes performance contribution your contributions and suggestions are heartily welcome thanks to all the people who already contributed a href https github com nepaul awesome web components graphs contributors img src https contrib rocks image repo nepaul awesome web components a license cc0 http i creativecommons org p zero 1 0 88x31 png http creativecommons org publicdomain zero 1 0 | awesome awesome-list javascript html css nodejs webcomponents frontend | front_end 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