question_id
int64 1.48k
42.8M
| intent
stringlengths 11
122
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stringlengths 4
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|---|---|---|---|
9,554,544 |
Python, running command line tools in parallel
|
subprocess run command 'start command -flags arguments' through the shell
|
subprocess.call('start command -flags arguments', shell=True)
|
9,554,544 |
Python, running command line tools in parallel
|
run command 'command -flags arguments &' on command line tools as separate processes
|
subprocess.call('command -flags arguments &', shell=True)
|
12,527,959 |
Passing the '+' character in a POST request in Python
|
replace percent-encoded code in request `f` to their single-character equivalent
|
f = urllib.request.urlopen(url, urllib.parse.unquote(urllib.parse.urlencode(params)))
|
2,372,573 |
How do I remove whitespace from the end of a string in Python?
|
remove white spaces from the end of string " xyz "
|
""" xyz """.rstrip()
|
8,905,864 |
URL encoding in python
|
Replace special characters in utf-8 encoded string `s` using the %xx escape
|
urllib.parse.quote(s.encode('utf-8'))
|
8,905,864 |
URL encoding in python
| null |
urllib.parse.quote_plus('a b')
|
28,207,743 |
Convert string to numpy array
|
Create an array containing the conversion of string '100110' into separate elements
|
np.array(map(int, '100110'))
|
28,207,743 |
Convert string to numpy array
|
convert a string 'mystr' to numpy array of integer values
|
print(np.array(list(mystr), dtype=int))
|
12,201,577 |
How can I convert an RGB image into grayscale in Python?
|
convert an rgb image 'messi5.jpg' into grayscale `img`
|
img = cv2.imread('messi5.jpg', 0)
|
11,584,773 |
sorting a graph by its edge weight. python
|
sort list `lst` in descending order based on the second item of each tuple in it
|
lst.sort(key=lambda x: x[2], reverse=True)
|
6,294,179 |
How to find all occurrences of an element in a list?
| null |
indices = [i for i, x in enumerate(my_list) if x == 'whatever']
|
18,050,937 |
How can I execute shell command with a | pipe in it
|
execute shell command 'grep -r PASSED *.log | sort -u | wc -l' with a | pipe in it
|
subprocess.call('grep -r PASSED *.log | sort -u | wc -l', shell=True)
|
42,178,481 |
How to count the number of a specific character at the end of a string ignoring duplicates?
|
count the number of trailing question marks in string `my_text`
|
len(my_text) - len(my_text.rstrip('?'))
|
32,464,280 |
converting currency with $ to numbers in Python pandas
|
remove dollar sign '$' from second to last column data in dataframe 'df' and convert the data into floats
|
df[df.columns[1:]].replace('[\\$,]', '', regex=True).astype(float)
|
42,060,144 |
Conditionally fill a column of a pandas df with values of a different df
|
Merge column 'word' in dataframe `df2` with column 'word' on dataframe `df1`
|
df1.merge(df2, how='left', on='word')
|
30,628,176 |
Switch every pair of characters in a string
|
switch positions of each two adjacent characters in string `a`
|
print(''.join(''.join(i) for i in zip(a2, a1)) + a[-1] if len(a) % 2 else '')
|
1,892,339 |
How to make a window jump to the front?
|
make a window `root` jump to the front
|
root.attributes('-topmost', True)
|
1,892,339 |
How to make a window jump to the front?
|
make a window `root` jump to the front
|
root.lift()
|
17,731,822 |
Elegant way to convert list to hex string
|
Convert list of booleans `walls` into a hex string
|
hex(int(''.join([str(int(b)) for b in walls]), 2))
|
17,731,822 |
Elegant way to convert list to hex string
|
convert the sum of list `walls` into a hex presentation
|
hex(sum(b << i for i, b in enumerate(reversed(walls))))
|
15,286,401 |
Print multiple arguments in python
|
print the string `Total score for`, the value of the variable `name`, the string `is` and the value of the variable `score` in one print call.
|
print(('Total score for', name, 'is', score))
|
15,286,401 |
Print multiple arguments in python
|
print multiple arguments 'name' and 'score'.
|
print('Total score for {} is {}'.format(name, score))
|
15,286,401 |
Print multiple arguments in python
|
print a string using multiple strings `name` and `score`
|
print('Total score for %s is %s ' % (name, score))
|
15,286,401 |
Print multiple arguments in python
|
print string including multiple variables `name` and `score`
|
print(('Total score for', name, 'is', score))
|
30,650,254 |
Is it possible to serve a static html page at the root of a django project?
|
serve a static html page 'your_template.html' at the root of a django project
|
url('^$', TemplateView.as_view(template_name='your_template.html'))
|
12,096,252 |
use a list of values to select rows from a pandas dataframe
|
use a list of values `[3,6]` to select rows from a pandas dataframe `df`'s column 'A'
|
df[df['A'].isin([3, 6])]
|
521,502 |
How to get the concrete class name as a string?
| null |
instance.__class__.__name__
|
39,538,010 |
How can I execute Python code in a virtualenv from Matlab
|
execute python code `myscript.py` in a virtualenv `/path/to/my/venv` from matlab
|
system('/path/to/my/venv/bin/python myscript.py')
|
7,503,241 |
django models selecting single field
|
django return a QuerySet list containing the values of field 'eng_name' in model `Employees`
|
Employees.objects.values_list('eng_name', flat=True)
|
31,465,002 |
Python regex findall alternation behavior
|
find all digits in string '6,7)' and put them to a list
|
re.findall('\\d|\\d,\\d\\)', '6,7)')
|
983,354 |
How do I make python to wait for a pressed key
|
prompt string 'Press Enter to continue...' to the console
|
input('Press Enter to continue...')
|
21,947,035 |
Print string as hex literal python
|
print string "ABC" as hex literal
|
"""ABC""".encode('hex')
|
15,666,169 |
python + pymongo: how to insert a new field on an existing document in mongo from a for loop
|
insert a new field 'geolocCountry' on an existing document 'b' using pymongo
|
db.Doc.update({'_id': b['_id']}, {'$set': {'geolocCountry': myGeolocCountry}})
|
3,895,874 |
Regex to match 'lol' to 'lolllll' and 'omg' to 'omggg', etc
|
Write a regex statement to match 'lol' to 'lolllll'.
|
re.sub('l+', 'l', 'lollll')
|
8,724,352 |
Getting the nth element using BeautifulSoup
|
BeautifulSoup find all 'tr' elements in HTML string `soup` at the five stride starting from the fourth element
|
rows = soup.findAll('tr')[4::5]
|
2,051,744 |
Reverse Y-Axis in PyPlot
|
reverse all x-axis points in pyplot
|
plt.gca().invert_xaxis()
|
2,051,744 |
Reverse Y-Axis in PyPlot
|
reverse y-axis in pyplot
|
plt.gca().invert_yaxis()
|
13,079,852 |
How do I stack two DataFrames next to each other in Pandas?
|
stack two dataframes next to each other in pandas
|
pd.concat([GOOG, AAPL], keys=['GOOG', 'AAPL'], axis=1)
|
2,428,092 |
Creating a JSON response using Django and Python
|
create a json response `response_data`
|
return HttpResponse(json.dumps(response_data), content_type='application/json')
|
4,020,539 |
Process escape sequences in a string
|
decode escape sequences in string `myString`
|
myString.decode('string_escape')
|
16,874,598 |
How do I calculate the md5 checksum of a file in Python?
|
calculate the md5 checksum of a file named 'filename.exe'
|
hashlib.md5(open('filename.exe', 'rb').read()).hexdigest()
|
7,657,457 |
Finding key from value in Python dictionary:
|
Find all keys from a dictionary `d` whose values are `desired_value`
|
[k for k, v in d.items() if v == desired_value]
|
11,399,384 |
Extract all keys from a list of dictionaries
|
create a set containing all keys' names from dictionary `LoD`
|
{k for d in LoD for k in list(d.keys())}
|
11,399,384 |
Extract all keys from a list of dictionaries
|
create a set containing all keys names from list of dictionaries `LoD`
|
set([i for s in [list(d.keys()) for d in LoD] for i in s])
|
11,399,384 |
Extract all keys from a list of dictionaries
|
extract all keys from a list of dictionaries `LoD`
|
[i for s in [list(d.keys()) for d in LoD] for i in s]
|
6,612,769 |
Is there a more elegant way for unpacking keys and values of a dictionary into two lists, without losing consistence?
|
unpack keys and values of a dictionary `d` into two lists
|
keys, values = zip(*list(d.items()))
|
1,094,717 |
Convert a string to integer with decimal in Python
|
convert a string `s` containing a decimal to an integer
|
int(Decimal(s))
|
1,094,717 |
Convert a string to integer with decimal in Python
| null |
int(s.split('.')[0])
|
10,565,598 |
Numpy: How to check if array contains certain numbers?
|
check if array `b` contains all elements of array `a`
|
numpy.in1d(b, a).all()
|
10,565,598 |
Numpy: How to check if array contains certain numbers?
|
numpy: check if array 'a' contains all the numbers in array 'b'.
|
numpy.array([(x in a) for x in b])
|
15,548,506 |
Node labels using networkx
|
Draw node labels `labels` on networkx graph `G ` at position `pos`
|
networkx.draw_networkx_labels(G, pos, labels)
|
6,532,881 |
How to make a copy of a 2D array in Python?
|
make a row-by-row copy `y` of array `x`
|
y = [row[:] for row in x]
|
7,356,042 |
Pythonic way to populate numpy array
|
Create 2D numpy array from the data provided in 'somefile.csv' with each row in the file having same number of values
|
X = numpy.loadtxt('somefile.csv', delimiter=',')
|
4,843,158 |
Check if a Python list item contains a string inside another string
|
get a list of items from the list `some_list` that contain string 'abc'
|
matching = [s for s in some_list if 'abc' in s]
|
11,041,411 |
How to write/read a Pandas DataFrame with MultiIndex from/to an ASCII file?
|
export a pandas data frame `df` to a file `mydf.tsv` and retain the indices
|
df.to_csv('mydf.tsv', sep='\t')
|
9,755,538 |
How do I create a LIST of unique random numbers?
| null |
random.sample(list(range(100)), 10)
|
15,012,228 |
Splitting on last delimiter in Python string?
|
split a string `s` on last delimiter
|
s.rsplit(',', 1)
|
13,252,333 |
Python check if all elements of a list are the same type
|
Check if all elements in list `lst` are tupples of long and int
|
all(isinstance(x, int) for x in lst)
|
13,252,333 |
Python check if all elements of a list are the same type
|
check if all elements in a list 'lst' are the same type 'int'
|
all(isinstance(x, int) for x in lst)
|
13,656,519 |
Python . How to get rid of '\r' in string?
|
strip a string `line` of all carriage returns and newlines
|
line.strip()
|
20,986,631 |
How can I scroll a web page using selenium webdriver in python?
|
scroll to the bottom of a web page using selenium webdriver
|
driver.execute_script('window.scrollTo(0, Y)')
|
20,986,631 |
How can I scroll a web page using selenium webdriver in python?
|
scroll a to the bottom of a web page using selenium webdriver
|
driver.execute_script('window.scrollTo(0, document.body.scrollHeight);')
|
11,619,169 |
How do I convert a datetime.date object into datetime.datetime in python?
|
convert Date object `dateobject` into a DateTime object
|
datetime.datetime.combine(dateobject, datetime.time())
|
740,287 |
How to check if one of the following items is in a list?
|
check if any item from list `b` is in list `a`
|
print(any(x in a for x in b))
|
902,761 |
Saving a Numpy array as an image
|
save a numpy array `image_array` as an image 'outfile.jpg'
|
scipy.misc.imsave('outfile.jpg', image_array)
|
19,794,051 |
Regex for removing data in parenthesis
|
Remove anything in parenthesis from string `item` with a regex
|
item = re.sub(' ?\\([^)]+\\)', '', item)
|
19,794,051 |
Regex for removing data in parenthesis
|
Remove word characters in parenthesis from string `item` with a regex
|
item = re.sub(' ?\\(\\w+\\)', '', item)
|
19,794,051 |
Regex for removing data in parenthesis
|
Remove all data inside parenthesis in string `item`
|
item = re.sub(' \\(\\w+\\)', '', item)
|
16,138,015 |
Checking if any elements in one list are in another
|
check if any elements in one list `list1` are in another list `list2`
|
len(set(list1).intersection(list2)) > 0
|
9,210,525 |
convert hex to decimal
|
convert hex string `s` to decimal
|
i = int(s, 16)
|
9,210,525 |
convert hex to decimal
|
convert hex string "0xff" to decimal
|
int('0xff', 16)
|
9,210,525 |
convert hex to decimal
|
convert hex string "FFFF" to decimal
|
int('FFFF', 16)
|
9,210,525 |
convert hex to decimal
|
convert hex string '0xdeadbeef' to decimal
|
ast.literal_eval('0xdeadbeef')
|
9,210,525 |
convert hex to decimal
|
convert hex string 'deadbeef' to decimal
|
int('deadbeef', 16)
|
4,524,723 |
Take screenshot in Python on Mac OS X
|
take screenshot 'screen.png' on mac os x
|
os.system('screencapture screen.png')
|
21,899,953 |
How to set window size using phantomjs and selenium webdriver in python
|
Set a window size to `1400, 1000` using selenium webdriver
|
driver.set_window_size(1400, 1000)
|
3,704,731 |
Replace non-ascii chars from a unicode string in Python
|
replace non-ascii chars from a unicode string u'm\xfasica'
|
unicodedata.normalize('NFKD', 'm\xfasica').encode('ascii', 'ignore')
|
21,317,384 |
Pandas/Python: How to concatenate two dataframes without duplicates?
|
concatenate dataframe `df1` with `df2` whilst removing duplicates
|
pandas.concat([df1, df2]).drop_duplicates().reset_index(drop=True)
|
4,365,964 |
numpy: efficiently reading a large array
|
Construct an array with data type float32 `a` from data in binary file 'filename'
|
a = numpy.fromfile('filename', dtype=numpy.float32)
|
21,804,935 |
How to use the mv command in Python with subprocess
|
execute a mv command `mv /home/somedir/subdir/* somedir/` in subprocess
|
subprocess.call('mv /home/somedir/subdir/* somedir/', shell=True)
|
21,804,935 |
How to use the mv command in Python with subprocess
| null |
subprocess.call('mv /home/somedir/subdir/* somedir/', shell=True)
|
16,658,068 |
How to use Unicode characters in a python string
|
print a character that has unicode value `\u25b2`
|
print('\u25b2'.encode('utf-8'))
|
977,491 |
Comparing two .txt files using difflib in Python
|
compare contents at filehandles `file1` and `file2` using difflib
|
difflib.SequenceMatcher(None, file1.read(), file2.read())
|
4,627,981 |
Creating a dictionary from a string
|
Create a dictionary from string `e` separated by `-` and `,`
|
dict((k, int(v)) for k, v in (e.split(' - ') for e in s.split(',')))
|
34,468,983 |
How to check if all elements in a tuple or list are in another?
|
check if all elements in a tuple `(1, 6)` are in another `(1, 2, 3, 4, 5)`
|
all(i in (1, 2, 3, 4, 5) for i in (1, 6))
|
14,673,394 |
python pandas extract unique dates from time series
|
extract unique dates from time series 'Date' in dataframe `df`
|
df['Date'].map(lambda t: t.date()).unique()
|
16,159,228 |
Formatting text to be justified in Python 3.3 with .format() method
|
right align string `mystring` with a width of 7
|
"""{:>7s}""".format(mystring)
|
118,516 |
How do I read an Excel file into Python using xlrd? Can it read newer Office formats?
|
read an excel file 'ComponentReport-DJI.xls'
|
open('ComponentReport-DJI.xls', 'rb').read(200)
|
17,141,558 |
How to sort a dataFrame in python pandas by two or more columns?
|
sort dataframe `df` based on column 'b' in ascending and column 'c' in descending
|
df.sort_values(['b', 'c'], ascending=[True, False], inplace=True)
|
17,141,558 |
How to sort a dataFrame in python pandas by two or more columns?
|
sort dataframe `df` based on column 'a' in ascending and column 'b' in descending
|
df.sort_values(['a', 'b'], ascending=[True, False])
|
17,141,558 |
How to sort a dataFrame in python pandas by two or more columns?
|
sort a pandas data frame with column `a` in ascending and `b` in descending order
|
df1.sort(['a', 'b'], ascending=[True, False], inplace=True)
|
17,141,558 |
How to sort a dataFrame in python pandas by two or more columns?
|
sort a pandas data frame by column `a` in ascending, and by column `b` in descending order
|
df.sort(['a', 'b'], ascending=[True, False])
|
7,284,952 |
Django redirect to root from a view
|
django redirect to view 'Home.views.index'
|
redirect('Home.views.index')
|
2,514,961 |
Remove all values within one list from another list in python
|
remove all values within one list `[2, 3, 7]` from another list `a`
|
[x for x in a if x not in [2, 3, 7]]
|
16,050,952 |
How to remove all the punctuation in a string? (Python)
|
remove the punctuation '!', '.', ':' from a string `asking`
|
out = ''.join(c for c in asking if c not in ('!', '.', ':'))
|
11,205,386 |
Python: BeautifulSoup - get an attribute value based on the name attribute
|
BeautifulSoup get value associated with attribute 'content' where attribute 'name' is equal to 'City' in tag 'meta' in HTML parsed string `soup`
|
soup.find('meta', {'name': 'City'})['content']
|
300,445 |
How to unquote a urlencoded unicode string in python?
|
unquote a urlencoded unicode string '%0a'
|
urllib.parse.unquote('%0a')
|
300,445 |
How to unquote a urlencoded unicode string in python?
|
decode url `url` from UTF-16 code to UTF-8 code
|
urllib.parse.unquote(url).decode('utf8')
|
1,400,608 |
empty a list
|
empty a list `lst`
|
del lst[:]
|
1,400,608 |
empty a list
|
empty a list `lst`
|
del lst1[:]
|
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