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Pandas DataFrame Groupby two columns and get counts,"df.groupby(['col5', 'col2']).size().groupby(level=1).max()"
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How would I check a string for a certain letter in Python?,"'x' in ['x', 'd', 'a', 's', 'd', 's']"
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Delete a dictionary item if the key exists,"mydict.pop('key', None)"
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Delete a dictionary item if the key exists,del mydict[key]
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Delete a dictionary item if the key exists,del mydict[key]
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Multiple positional arguments with Python and argparse,"parser.add_argument('input', nargs='+')"
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How to avoid line color repetition in matplotlib.pyplot?,"pyplot.plot(x, y, color='#112233')"
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Strip HTML from strings in Python,"re.sub('<[^<]+?>', '', text)"
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Align numpy array according to another array,"a[np.in1d(a, b)]"
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how to split a string on the first instance of delimiter in python,"""""""jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false,"""""".split('=', 1)"
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Control a print format when printing a list in Python,"print('[%s]' % ', '.join('%.3f' % val for val in list))"
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Control a print format when printing a list in Python,"print('[' + ', '.join('%5.3f' % v for v in l) + ']')"
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Control a print format when printing a list in Python,print([('%5.3f' % val) for val in l])
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How to move to one folder back in python,os.chdir('..')
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Convert Unicode to UTF-8 Python,print(text.encode('windows-1252'))
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How can I convert a binary to a float number,"struct.unpack('d', struct.pack('Q', int(s2, 0)))[0]"
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How can I convert a binary to a float number,"float(int('-0b1110', 0))"
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How can I convert a binary to a float number,"struct.unpack('d', b8)[0]"
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Plotting categorical data with pandas and matplotlib,df.colour.value_counts().plot(kind='bar')
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Plotting categorical data with pandas and matplotlib,df.groupby('colour').size().plot(kind='bar')
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Read lines containing integers from a file in Python?,line.strip().split(' ')
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Pandas how to apply multiple functions to dataframe,"df.groupby(lambda idx: 0).agg(['mean', 'std'])"
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sorting dictionary by numeric value,"sorted(list(tag_weight.items()), key=lambda x: int(x[1]), reverse=True)"
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How do I find the largest integer less than x?,int(math.ceil(x)) - 1
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check if the string is empty,"if (not myString):
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pass"
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Most elegant way to check if the string is empty,"if (not some_string):
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pass"
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Most elegant way to check if the string is empty,"if (not my_string):
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pass"
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check if the string is empty,"if some_string:
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pass"
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iterate over a dictionary in sorted order,it = iter(sorted(d.items()))
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iterate over a dictionary in sorted order,"for (key, value) in sorted(d.items()):
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pass"
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iterate over a dictionary in sorted order,return sorted(dict.items())
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iterate over a dictionary in sorted order,return iter(sorted(dict.items()))
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iterate over a dictionary in sorted order,"for (k, v) in sorted(foo.items()):
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pass"
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iterate over a dictionary in sorted order,"for k in sorted(foo.keys()):
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pass"
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finding the last occurrence of an item in a list python,last = len(s) - s[::-1].index(x) - 1
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convert list to string,str1 = ''.join(list1)
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convert list to string,' '.join((str(x) for x in L))
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convert list to string,str1 = ''.join((str(e) for e in list1))
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convert list to string,"makeitastring = ''.join(map(str, L))"
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remove None value from a list without removing the 0 value,[x for x in L if x is not None]
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How do I select a random element from an array in Python?,"random.choice([1, 2, 3])"
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Creating a 2d matrix in python,x = [[None for _ in range(5)] for _ in range(6)]
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Numpy: Get random set of rows from 2D array,"A[(np.random.choice(A.shape[0], 2, replace=False)), :]"
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Numpy: Get random set of rows from 2D array,"A[(np.random.randint(A.shape[0], size=2)), :]"
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Combining rows in pandas,df.groupby(df.index).sum()
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Parsing XML with namespace in Python via 'ElementTree',root.findall('{http://www.w3.org/2002/07/owl#}Class')
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"How do I generate a random string (of length X, a-z only) in Python?",""""""""""""".join(random.choice(string.lowercase) for x in range(X))"
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Python cant find module in the same folder,sys.path.append('/path/to/2014_07_13_test')
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round number to nearest integer,int(round(x))
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round number to nearest integer,h = int(round(h))
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round number to nearest integer,"round(32.268907563, 3)"
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round number to nearest integer,"round(value, significantDigit)"
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round number to nearest integer,"round(1.0005, 3)"
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round number to nearest integer,"round(2.0005, 3)"
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round number to nearest integer,"round(3.0005, 3)"
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round number to nearest integer,"round(4.0005, 3)"
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round number to nearest integer,"round(8.005, 2)"
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round number to nearest integer,"round(7.005, 2)"
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round number to nearest integer,"round(6.005, 2)"
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round number to nearest integer,"round(1.005, 2)"
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Pandas - FillNa with another column,df['Cat1'].fillna(df['Cat2'])
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Python: Logging TypeError: not all arguments converted during string formatting,"logging.info('date=%s', date)"
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Python: Logging TypeError: not all arguments converted during string formatting,logging.info('date={}'.format(date))
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"In dictionary, converting the value from string to integer","{k: int(v) for k, v in d.items()}"
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How can I add the corresponding elements of several lists of numbers?,"map(sum, zip(*lists))"
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Python: How to convert a string containing hex bytes to a hex string,s.decode('hex')
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Python: How to convert a string containing hex bytes to a hex string,binascii.a2b_hex(s)
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MITM proxy over SSL hangs on wrap_socket with client,connection.send('HTTP/1.0 200 established\r\n\r\n')
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MITM proxy over SSL hangs on wrap_socket with client,connection.send('HTTP/1.0 200 OK\r\n\r\n')
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Set value for particular cell in pandas DataFrame,df['x']['C'] = 10
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Norm along row in pandas,np.sqrt(np.square(df).sum(axis=1))
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How do I remove identical items from a list and sort it in Python?,sorted(set(my_list))
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Python Finding Index of Maximum in List,"max(enumerate(a), key=lambda x: x[1])[0]"
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Python Accessing Values in A List of Dictionaries,[d['Name'] for d in thisismylist]
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Python Accessing Values in A List of Dictionaries,"[(d['Name'], d['Age']) for d in thisismylist]"
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How to grab one random item from a database in Django/postgreSQL?,model.objects.all().order_by('?')[0]
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"Run a python script from another python script, passing in args",os.system('script2.py 1')
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Python Regex for hyphenated words,"re.findall('\\w+(?:-\\w+)+', text)"
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Create variable key/value pairs with argparse (python),"parser.add_argument('--conf', nargs=2, action='append')"
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"How do you pick ""x"" number of unique numbers from a list in Python?","random.sample(list(range(1, 16)), 3)"
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Sort a list of strings based on regular expression match or something similar,"strings.sort(key=lambda str: re.sub('.*%(.).*', '\\1', str))"
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Sort a list of strings based on regular expression match or something similar,"strings.sort(key=lambda str: re.sub('.*%', '', str))"
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Appending to 2D lists in Python,listy = [[] for i in range(3)]
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Sort NumPy float array column by column,"A = np.array(sorted(A, key=tuple))"
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Python list comprehension for loops,[(x + y) for x in '12345' for y in 'ab']
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Trimming a string,' Hello '.strip()
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Trimming a string,myString.strip()
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Trimming a string,' Hello '.strip()
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Trimming a string,' Hello'.strip()
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Trimming a string,'Bob has a cat'.strip()
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Trimming a string,' Hello '.strip()
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Trimming a string,str.strip()
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Trimming a string,myString.strip('\n')
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