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How do I sort a zipped list in Python?,zipped.sort(key=lambda t: t[1]) |
Sorting a dictionary by value then by key,"sorted(list(y.items()), key=lambda x: (x[1], x[0]), reverse=True)" |
Using BeautifulSoup to select div blocks within HTML,"soup.find_all('div', class_='crBlock ')" |
Remove list of indices from a list in Python,"[element for i, element in enumerate(centroids) if i not in index]" |
Comparing two lists in Python,list(set(listA) & set(listB)) |
http file downloading and saving,"testfile = urllib.request.URLopener() |
testfile.retrieve('http://randomsite.com/file.gz', 'file.gz')" |
http file downloading and saving,"urllib.request.urlretrieve('http://randomsite.com/file.gz', 'file.gz')" |
http file downloading and saving,file_name = wget.download(file_url) |
Accented characters in Matplotlib,"ax.set_yticklabels(['\xe9', '\xe3', '\xe2'])" |
How to get a list of all integer points in an n-dimensional cube using python?,"list(itertools.product(list(range(-x, y)), repeat=dim))" |
How can I convert a unicode string into string literals in Python 2.7?,print(s.encode('unicode_escape')) |
python - How to format variable number of arguments into a string?,"'Hello %s' % ', '.join(my_args)" |
Python regex search AND split,"re.split('(ddd)', 'aaa bbb ccc ddd eee fff', 1)" |
Python regex search AND split,"re.split('(d(d)d)', 'aaa bbb ccc ddd eee fff', 1)" |
Convert list of dictionaries to Dataframe,pd.DataFrame(d) |
How to split string into words that do not contain whitespaces in python?,"""""""This is a string"""""".split()" |
How to split string into words that do not contain whitespaces in python?,"""""""This is a string"""""".split()" |
python pandas: apply a function with arguments to a series,"my_series.apply(your_function, args=(2, 3, 4), extra_kw=1)" |
Python: How to remove all duplicate items from a list,woduplicates = list(set(lseperatedOrblist)) |
Sum of product of combinations in a list,"sum([(i * j) for i, j in list(itertools.combinations(l, 2))])" |
Using variables in Python regular expression,re.compile('{}-\\d*'.format(user)) |
"In Python, how do I convert all of the items in a list to floats?",[float(i) for i in lst] |
How can I multiply all items in a list together with Python?,"from functools import reduce |
reduce(lambda x, y: x * y, [1, 2, 3, 4, 5, 6])" |
How to write a tuple of tuples to a CSV file using Python,writer.writerow(A) |
How to write a tuple of tuples to a CSV file using Python,writer.writerows(A) |
"python, format string","""""""{} %s {}"""""".format('foo', 'bar')" |
Replace a string in list of lists,"example = [x.replace('\r\n', '') for x in example]" |
Python: split elements of a list,[i.partition('\t')[-1] for i in l if '\t' in i] |
Splitting a string by using two substrings in Python,"re.search('Test(.*)print', testStr, re.DOTALL)" |
"python, locating and clicking a specific button with selenium",next = driver.find_element_by_css_selector('li.next>a') |
Getting file size in Python?,os.stat('C:\\Python27\\Lib\\genericpath.py').st_size |
how do i return a string from a regex match in python,"imtag = re.match('<img.*?>', line).group(0)" |
How to change folder names in python?,"os.rename('Joe Blow', 'Blow, Joe')" |
How to find overlapping matches with a regexp?,"re.findall('(?=(\\w\\w))', 'hello')" |
express binary literals,bin(173) |
express binary literals,"int('01010101111', 2)" |
express binary literals,"int('010101', 2)" |
express binary literals,"int('0b0010101010', 2)" |
express binary literals,bin(21) |
express binary literals,"int('11111111', 2)" |
Delete digits in Python (Regex),"re.sub('$\\d+\\W+|\\b\\d+\\b|\\W+\\d+$', '', s)" |
Delete digits in Python (Regex),"re.sub('\\b\\d+\\b', '', s)" |
Delete digits in Python (Regex),"s = re.sub('^\\d+\\s|\\s\\d+\\s|\\s\\d+$', ' ', s)" |
Python Split String,"s.split(':', 1)[1]" |
How can I split this comma-delimited string in Python?,"print(s.split(','))" |
How can I split this comma-delimited string in Python?,"mystring.split(',')" |
How to remove parentheses only around single words in a string,"re.sub('\\((\\w+)\\)', '\\1', s)" |
how to open a url in python,webbrowser.open_new(url) |
how to open a url in python,webbrowser.open('http://example.com') |
PyQt QPushButton Background color,self.pushButton.setStyleSheet('background-color: red') |
Zip and apply a list of functions over a list of values in Python,"[x(y) for x, y in zip(functions, values)]" |
How do I modify the width of a TextCtrl in wxPython?,"wx.TextCtrl(self, -1, size=(300, -1))" |
Displaying a grayscale Image,"imshow(imageArray, cmap='Greys_r')" |
How can I replace all the NaN values with Zero's in a column of a pandas dataframe,df.fillna(0) |
how to export a table dataframe in pyspark to csv?,df.toPandas().to_csv('mycsv.csv') |
how to export a table dataframe in pyspark to csv?,df.write.csv('mycsv.csv') |
Sum the second value of each tuple in a list,sum(x[1] for x in structure) |
How to sum the nlargest() integers in groupby,df.groupby('STNAME')['COUNTY_POP'].agg(lambda x: x.nlargest(3).sum()) |
what would be the python code to add time to a specific timestamp?,"datetime.strptime('21/11/06 16:30', '%d/%m/%y %H:%M')" |
How to properly determine current script directory in Python?,os.path.dirname(os.path.abspath(__file__)) |
How can I do multiple substitutions using regex in python?,"re.sub('(.)', '\\1\\1', text.read(), 0, re.S)" |
Python convert tuple to string,""""""""""""".join(('a', 'b', 'c', 'd', 'g', 'x', 'r', 'e'))" |
How to get full path of current file's directory in Python?,os.path.dirname(os.path.abspath(__file__)) |
variable number of digit in format string,"""""""{0:.{1}%}"""""".format(value, digits)" |
Get current URL in Python,self.request.url |
Print a variable selected by a random number,random_choice = random.choice(choices) |
Python: Sum string lengths,length = sum(len(s) for s in strings) |
Sort a list by multiple attributes?,"s = sorted(s, key=lambda x: (x[1], x[2]))" |
Sort a list by multiple attributes?,"s.sort(key=operator.itemgetter(1, 2))" |
How to disable query cache with mysql.connector,con.commit() |
Filtering a list of strings based on contents,[k for k in lst if 'ab' in k] |
How do I find the first letter of each word?,output = ''.join(item[0].upper() for item in input.split()) |
Get name of primary field of Django model,CustomPK._meta.pk.name |
How to count the number of words in a sentence?,len(s.split()) |
numpy matrix vector multiplication,"np.einsum('ji,i->j', a, b)" |
check what version of Python is running,sys.version |
check what version of Python is running,sys.version_info |
Format number using LaTeX notation in Python,print('\\num{{{0:.2g}}}'.format(1000000000.0)) |
Python initializing a list of lists,x = [[] for i in range(3)] |
How to apply django/jinja2 template filters 'escape' and 'linebreaks' correctly?,{{my_variable | forceescape | linebreaks}} |
Split a list of tuples into sub-lists of the same tuple field,"zip(*[(1, 4), (2, 5), (3, 6)])" |
Split a list of tuples into sub-lists of the same tuple field,"[list(group) for key, group in itertools.groupby(data, operator.itemgetter(1))]" |
How can I turn a string into a list in Python?,list('hello') |
pandas dataframe create new columns and fill with calculated values from same df,df['A_perc'] = df['A'] / df['sum'] |
Getting a list of all subdirectories in the current directory,os.walk(directory) |
Getting a list of all subdirectories in the current directory,[x[0] for x in os.walk(directory)] |
How to filter a dictionary in Python?,"{i: 'updated' for i, j in list(d.items()) if j != 'None'}" |
How to filter a dictionary in Python?,"dict((k, 'updated') for k, v in d.items() if v is None)" |
How to filter a dictionary in Python?,"dict((k, 'updated') for k, v in d.items() if v != 'None')" |
How to count number of rows in a group in pandas group by object?,df.groupby(key_columns).size() |
python sum the values of lists of list,result = [sum(b) for b in a] |
What's the best way to search for a Python dictionary value in a list of dictionaries?,any(d['site'] == 'Superuser' for d in data) |
2D array of objects in Python,nodes = [[Node() for j in range(cols)] for i in range(rows)] |
How to replace (or strip) an extension from a filename in Python?,print(os.path.splitext('/home/user/somefile.txt')[0] + '.jpg') |
How to get the resolution of a monitor in Pygame?,"pygame.display.set_mode((0, 0), pygame.FULLSCREEN)" |
How can I format a float using matplotlib's LaTeX formatter?,"ax.set_title('$%s \\times 10^{%s}$' % ('3.5', '+20'))" |
Print file age in seconds using Python,print(os.path.getmtime('/tmp')) |
(Django) how to get month name?,today.strftime('%B') |
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