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how can i color python logging output? | console = logging.StreamHandler() |
can i prevent fabric from prompting me for a sudo password? | sudo('some_command', shell=False) |
execute command 'source .bashrc; shopt -s expand_aliases; nuke -x scriptpath' from python script | os.system('source .bashrc; shopt -s expand_aliases; nuke -x scriptPath') |
cross-platform addressing of the config file | config_file = os.path.expanduser('~/foo.ini') |
django: convert a post request parameters to query string | request.META['QUERY_STRING'] |
remove certain keys from a dictionary in python | FieldSet = dict((k, v) for k, v in FieldSet.items() if len(v) != 1) |
what's the simplest way to extend a numpy array in 2 dimensions? | array([[1, 2, 0], [3, 4, 0]]) |
finding index of maximum value in array with numpy | np.where(x == 5) |
converting a dict into a list | [y for x in list(dict.items()) for y in x] |
how to subset a data frame using pandas based on a group criteria? | df.groupby('User')['X'].filter(lambda x: x.sum() == 0) |
how to bind spacebar key to a certain method in tkinter (python) | root.mainloop() |
matplotlib: group boxplots | ax.set_xticklabels(['A', 'B', 'C']) |
how do i convert a string to a buffer in python 3.1? | """insert into egg values ('egg');""".encode('ascii') |
pandas group by time windows | s.groupby(grouper).sum() |
how to print out the indexes in a list with repetitive elements | [1, 4, 5, 6, 7] |
inserting a python datetime.datetime object into mysql | time.strftime('%Y-%m-%d %H:%M:%S') |
counting the number of true booleans in a python list | sum([True, True, False, False, False, True]) |
download a remote image and save it to a django model | request.FILES['imgfield'] |
why would a python regex compile on linux but not windows? | '\ud800', '\udc00', '-', '\udbff', '\udfff' |
python requests getting sslerror | requests.get('https://www.reporo.com/', verify=False) |
get the index of the last negative value in a 2d array per column | np.maximum.accumulate((A2 < 0)[:, ::-1], axis=1)[:, ::-1] |
decoding json string in python | data = json.load(f) |
sort dictionary of lists `mydict` by the third item in each list | sorted(list(myDict.items()), key=lambda e: e[1][2]) |
lxml create xml fragment with no root element? | print(etree.tostring(root, pretty_print=True)) |
is there a way to specify the build directory for py2exe | setup(console=['myscript.py'], options=options) |
divide each element in list `mylist` by integer `myint` | myList[:] = [(x / myInt) for x in myList] |
sorting files in a list | files.sort(key=file_number) |
python dryscrape scrape page with cookies | session.visit('<url to visit with proper cookies>') |
split string "jvm.args= -dappdynamics.com=true, -dsomeotherparam=false," on the first occurrence of delimiter '=' | """jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false,""".split('=', 1) |
print list of items `mylist` | print('\n'.join(str(p) for p in myList)) |
array initialization in python | [(i * y + x) for i in range(10)] |
how can i read inputs as integers in python? | y = int(eval(input('Enter a number: '))) |
how to get everything after last slash in a url? | url.rsplit('/', 1) |
how to reliably open a file in the same directory as a python script | print(os.path.dirname(os.path.abspath(sys.argv[0]))) |
how to pass default & variable length arguments together in python? | any_func('Mona', 45, 'F', ('H', 'K', 'L')) |
python - how to extract the last x elements from a list | my_list[-10:] |
sum all the values in a counter variable `my_counter` | sum(my_counter.values()) |
flask and sqlalchemy how to delete records from manytomany table? | db.session.commit() |
get modification time of file `filename` | t = os.path.getmtime(filename) |
count unique index values in column 'a' in pandas dataframe `ex` | ex.groupby(level='A').agg(lambda x: x.index.get_level_values(1).nunique()) |
return a random word from a word list 'words' | print(random.choice(words)) |
how to prevent automatic escaping of special characters in python | winpath = 'C:\\Users\\Administrator\\bin' |
how to do camelcase split in python | ['Camel', 'Case', 'XYZ'] |
how do convert a pandas/dataframe to xml? | xml.etree.ElementTree.parse('xml_file.xml') |
python: how to generate a 12-digit random number? | '%012d' % random.randrange(10 ** 12) |
python get time stamp on file `file` in '%m/%d/%y' format | time.strftime('%m/%d/%Y', time.gmtime(os.path.getmtime(file))) |
how to plot a graph in python? | pl.show() |
round number 6.005 up to 2 decimal places | round(6.005, 2) |
how to extract first two characters from string using regex | df.c_contofficeID.str.replace('^12(?=.{4}$)', '') |
how to create a range of random decimal numbers between 0 and 1 | [random.random() for _ in range(0, 10)] |
how to get the n next values of a generator in a list (python) | list(itertools.islice(it, 0, n, 1)) |
printing each item of a variable on a separate line in python | print('\n'.join(str(port) for port in ports)) |
using name of list as a string to access list | x = {'0': [], '2': [], '16': []} |
how to convert ndarray to array? | np.zeros((3, 3)).ravel() |
python - download images from google image search? | img = Image.open(file) |
how to add multiple values to a key in a python dictionary | print(dict(new_dict)) |
how to use sadd with multiple elements in redis using python api? | r.sadd('a', 1, 2, 3) |
python - split string into smaller chunks and assign a variable | a, b, c, d = x.split(' ') |
how to run two functions simultaneously | threading.Thread(target=SudsMove).start() |
splitting a string into a list (but not separating adjacent numbers) in python | re.findall('\\d+|\\S', string) |
in django, how do i check if a user is in a certain group? | return user.groups.filter(name__in=['group1', 'group2']).exists() |
python requests can't send multiple headers with same key | requests.get(url, headers=headers) |
dynamically updating a bar plot in matplotlib | plt.show() |
calculate the mean of the nonzero values' indices of dataframe `df` | np.flatnonzero(x).mean() |
plot timeseries of histograms in python | bins = np.linspace(0, 360, 10) |
how to create a number of empty nested lists in python | lst = [[] for _ in range(a)] |
label width in tkinter | root.mainloop() |
"pythonic" method to parse a string of comma-separated integers into a list of integers? | mylist = [int(x) for x in '3 ,2 ,6 '.split(',') if x.strip().isdigit()] |
get the number of all keys in a dictionary of dictionaries in python | n = sum([(len(v) + 1) for k, v in list(dict_test.items())]) |
hexadecimal string to byte array in python | bytearray.fromhex('de ad be ef 00') |
how do i draw a grid onto a plot in python? | plt.show() |
how to import a module in python with importlib.import_module | importlib.import_module('.c', 'a.b') |
find maximum with limited length in a list | [max(abs(x) for x in arr[i:i + 4]) for i in range(0, len(arr), 4)] |
comma separated lists in django templates | {{(value | join): ' // '}} |
implementing a kolmogorov smirnov test in python scipy | stats.kstest(np.random.normal(0, 1, 10000), 'norm') |
calculating cumulative minimum with numpy arrays | numpy.minimum.accumulate([5, 4, 6, 10, 3]) |
get date from iso week number in python | datetime.strptime('2011221', '%Y%W%w') |
how to decode an invalid json string in python | kludged = re.sub('(?i)([a-z_].*?):', '"\\1":', string) |
how to pause and wait for command input in a python script | pdb.set_trace() |
how to get output of exe in python script? | output = subprocess.Popen(['mycmd', 'myarg'], stdout=PIPE).communicate()[0] |
is it possible to take an ordered "slice" of a dictionary in python based on a list of keys? | res = [(x, my_dictionary[x]) for x in my_list] |
using python logging in multiple modules | logger.debug('My message with %s', 'variable data') |
summation of elements of dictionary that are list of lists | {k: [(a + b) for a, b in zip(*v)] for k, v in list(d.items())} |
convert a string of bytes into an int (python) | int.from_bytes('y\xcc\xa6\xbb', byteorder='little') |
find array corresponding to minimal values along an axis in another array | np.repeat(np.arange(x), y) |
how to get the symmetric difference of two dictionaries | dict_symmetric_difference({'a': 1, 'b': 2}, {'b': 2, 'c': 3}) |
display a pdf file that has been downloaded as `my_pdf.pdf` | webbrowser.open('file:///my_pdf.pdf') |
how can i split a single tuple into multiple using python? | d = {t[0]: t[1:] for t in l} |
how to extract all upper from a string? python | """""".join([c for c in s if c.isupper()]) |
find all n-dimensional lines and diagonals with numpy | np.split(x.reshape(x.shape[0], -1), 9, axis=1) |
use multiple groupby and agg operations `sum`, `count`, `std` for pandas data frame `df` | df.groupby(level=0).agg(['sum', 'count', 'std']) |
find the index of sub string 'cc' in string 'sdfasdf' | 'sdfasdf'.index('cc') |
how can i count the occurrences of an item in a list of dictionaries? | sum(1 for d in my_list if d.get('id') == 1) |
efficient way to convert numpy record array to a list of dictionary | [dict(zip(r.dtype.names, x)) for x in r] |
create list `listy` containing 3 empty lists | listy = [[] for i in range(3)] |
how to write a simple bittorrent application? | time.sleep(1) |
is it possible to print using different color in ipython's notebook? | print('\x1b[31m"red"\x1b[0m') |
how to enable cors in flask and heroku | app.run() |
how can i convert a unicode string into string literals in python 2.7? | print(re.sub('\u032f+', '\u032f', unicodedata.normalize('NFKD', s))) |
increase the linewidth of the legend lines in matplotlib | plt.show() |
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