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how to install ssl certificate in python phantomjs?,driver.quit() |
create a list from a tuple of tuples,[str(item[0]) for item in x if item and item[0]] |
index of duplicates items in a python list,"[1, 3, 5, 11, 15, 22]" |
converting string lists `s` to float list,floats = [float(x) for x in s.split()] |
how to split string into words that do not contain whitespaces in python?,"""""""This is a string"""""".split()" |
can i use applymap to change variable names of dataframe,"df.rename(columns=lambda x: x.lower().replace(' ', '_'))" |
string slugification in python,"return re.sub('\\W+', '-', text)" |
django app engine: attributeerror: 'anonymoususer' object has no attribute 'backend',"django.contrib.auth.authenticate(username=username, password=password)" |
repeating elements in list comprehension,"[y for x in range(3) for y in [x, x]]" |
os.getcwd() for a different drive in windows,os.chdir('l:') |
how do i wrap a string in a file in python?,f.read() |
how do i set a matplotlib colorbar extents?,"cbar.ax.set_yticklabels(['lo', 'med', 'hi'])" |
flask - how to make an app externally visible through a router?,"app.run(host='192.168.0.58', port=9000, debug=False)" |
extracting data with python regular expressions,"re.findall('\\d+', s)" |
pandas dataframe bar plot - qualitative variable?,df.groupby('source')['retweet_count'].sum().plot(kind='bar') |
importing everything ( * ) dynamically from a module,globals().update(importlib.import_module('some.package').__dict__) |
get top biggest values from each column of the pandas.dataframe,"pd.DataFrame(_, columns=data.columns, index=data.index[:3])" |
how to read only part of a list of strings in python,[s[:5] for s in buckets] |
get the version of django for application,"('^admin/', include(admin.site.urls))," |
adding up all columns in a dataframe,"pd.concat([df, df.sum(axis=1)], axis=1)" |
how to move to one folder back in python,os.chdir('../nodes') |
how to sort a list according to another list?,a.sort(key=lambda x_y: b.index(x_y[0])) |
sort dataframe `df` based on column 'b' in ascending and column 'c' in descending,"df.sort_values(['b', 'c'], ascending=[True, False], inplace=True)" |
how to call method by string in python?,"getattr(a, 'print_test')()" |
calculate the md5 checksum of a file named 'filename.exe',"hashlib.md5(open('filename.exe', 'rb').read()).hexdigest()" |
how to convert python list of points to numpy image array?,numpy.array(your_list) |
suppress the u'prefix indicating unicode' in python strings,print(str('a')) |
python: find difference between two dictionaries containing lists,"{key: list(set.difference(set(a[key]), b.get(key, []))) for key in a}" |
adding a y-axis label to secondary y-axis in matplotlib,plt.show() |
creating a zero-filled pandas data frame,"d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)" |
how to pad with n characters in python,"""""""{s:{c}^{n}}"""""".format(s='dog', n=5, c='x')" |
how to run a python script from idle interactive shell?,"exec(compile(open('helloworld.py').read(), 'helloworld.py', 'exec'))" |
"sort list `['14:10:01', '03:12:08']`","sorted(['14:10:01', '03:12:08'])" |
how can i find script's directory with python?,print(os.path.dirname(os.path.realpath(__file__))) |
python lambda returning none instead of empty string,f = lambda x: '' if x is None else x |
point and figure chart with matplotlib,plt.show() |
python how to get every first element in 2 dimensional list,[i[0] for i in a] |
how to use python kazoo library?,from kazoo.client import KazooClient |
convert the argument `date` with string formatting in logging,"logging.info('date=%s', date)" |
python: how to get local maxima values from 1d-array or list,y[argrelmax(y)[0]] |
using beautifulsoup to extract specific td table elements text?,"[tag.text for tag in filter(pred, soup.find('tbody').find_all('a'))]" |
convert list of sublists `lst` of floats to a list of sublists `str_list` of strings of integers in scientific notation with 8 decimal points,str_list = [['{0:.8e}'.format(flt) for flt in sublist] for sublist in lst] |
python pandas: apply a function with arguments to a series,"my_series.apply(your_function, args=(2, 3, 4), extra_kw=1)" |
best way to encode tuples with json,"{'[1,2]': [(2, 3), (1, 7)]}" |
duplicate each member in a list - python,[a[i // 2] for i in range(len(a) * 2)] |
reshape pandas dataframe from rows to columns,gb = df2.groupby('Name') |
averaging the values in a dictionary based on the key,"[(i, sum(j) / len(j)) for i, j in list(d.items())]" |
convert list of tuples to list?,"[1, 2, 3]" |
python matplotlib buttons,plt.show() |
comparing 2 lists consisting of dictionaries with unique keys in python,"[[(k, x[k], y[k]) for k in x if x[k] != y[k]] for x, y in pairs if x != y]" |
python : how to fill an array line by line?,"[[0, 0, 0], [1, 1, 1], [0, 0, 0]]" |
shutdown a computer using subprocess,"subprocess.call(['shutdown', '/s'])" |
how to resize window in opencv2 python,"cv2.namedWindow('main', cv2.WINDOW_NORMAL)" |
django: how to filter users that belong to a specific group,qs = User.objects.filter(groups__name__in=['foo']) |
"in python, how to check if a string only contains certain characters?",check('ABC') |
omit (or format) the value of a variable when documenting with sphinx,"self.add_line(' :annotation: = ' + objrepr, '<autodoc>')" |
"reading tab-delimited file with pandas - works on windows, but not on mac","pandas.read_csv(filename, sep='\t', lineterminator='\r')" |
is there a way to extract a dict in python into the local namespace?,locals().update(my_dict) |
capture keyboardinterrupt in python without try-except,time.sleep(1) |
sorting a counter in python by keys,"sorted(list(c.items()), key=itemgetter(0))" |
django - filter objects older than x days,Post.objects.filter(createdAt__lte=datetime.now() - timedelta(days=plan.days)) |
how do i get rid of python tkinter root window?,root.destroy() |
regex for removing data in parenthesis,"item = re.sub(' ?\\([^)]+\\)', '', item)" |
matplotlib chart - creating horizontal bar chart,plt.show() |
concatenate dataframe `df1` with `df2` whilst removing duplicates,"pandas.concat([df1, df2]).drop_duplicates().reset_index(drop=True)" |
how can i get the index value of a list comprehension?,"{p.id: {'id': p.id, 'position': ind} for ind, p in enumerate(p_list)}" |
how to log python exception?,logging.exception('') |
remove null columns in a dataframe pandas?,"df = df.dropna(axis=1, how='all')" |
matplotlib: how to draw a rectangle on image,plt.show() |
how to initialize time() object in python,datetime.time() |
append 2 dimensional arrays to one single array,"array([[[1, 2], [3, 4]], [[5, 6], [7, 8]]])" |
turning a string into list of positive and negative numbers,"map(int, inputstring.split(','))" |
finding the position of an object in an image,im.save('out.png') |
how to get the list of all initialized objects and function definitions alive in python?,globals() |
"remove all articles, connector words, etc., from a string in python","re.sub('(\\s+)(a|an|and|the)(\\s+)', '\x01\x03', text)" |
finding maximum of a list of lists by sum of elements in python,"max(a, key=sum)" |
how do i stack two dataframes next to each other in pandas?,"pd.concat([GOOG, AAPL], keys=['GOOG', 'AAPL'], axis=1)" |
parsing a complex logical expression in pyparsing in a binary tree fashion,"[[['x', '>', '7'], 'AND', [['x', '<', '8'], 'OR', ['x', '=', '4']]]]" |
dropping a single (sub-) column from a multiindex,df.columns.droplevel(1) |
how can i control the keyboard and mouse with python?,time.sleep(1) |
obtaining length of list as a value in dictionary in python 2.7,len(dict[key]) |
how to expand a string within a string in python?,"['xxx', 'xxx', 'yyy*a*b*c', 'xxx*d*e*f']" |
python pandas plot is a no-show,plt.show() |
creating a dictionary with list of lists in python,{d[0]: (' '.join(d[1:]) if d[1:] else 0) for d in data} |
"python, subprocess: reading output from subprocess",p.stdin.flush() |
how to create ternary contour plot in python?,plt.axis('off') |
how do i find the largest integer less than x?,int(math.ceil(x)) - 1 |
python: read hex from file into list?,hex_list = ('{:02x}'.format(ord(c)) for c in fp.read()) |
count number of rows in a group `key_columns` in pandas groupby object `df`,df.groupby(key_columns).size() |
sort versions in python,"['1.7.0b0', '1.7.0', '1.11.0']" |
replace all characters in a string with asterisks,word = '*' * len(name) |
list comprehension without [ ] in python,[str(n) for n in range(10)] |
generate random utf-8 string in python,print('A random string: ' + get_random_unicode(10)) |
how to get num results in mysqldb,"self.cursor.execute(""SELECT COUNT(*) FROM table WHERE asset_type='movie'"")" |
to convert a list of tuples `list_of_tuples` into list of lists,[list(t) for t in zip(*list_of_tuples)] |
how to sort a python dictionary by value?,"sorted(list(a_dict.items()), key=lambda item: item[1][1])" |
squaring all elements in a list,return [(i ** 2) for i in list] |
sending custom pyqt signals?,QtCore.SIGNAL('finished(int)') |
hide axis values in matplotlib,ax.set_xticklabels([]) |
python date string to date object,"datetime.datetime.strptime('24052010', '%d%m%Y').date()" |
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