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Non-consuming regular expression split in Python,"re.split('(?<=[\\.\\?!]) ', text)"
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Pandas groupby: How to get a union of strings,df.groupby('A')['C'].apply(lambda x: x.sum())
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How to calculate quantiles in a pandas multiindex DataFrame?,"df.groupby(level=[0, 1]).median()"
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Pandas - FillNa with another column,df['Cat1'].fillna(df['Cat2'])
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Print multiple arguments in python,"print(('Total score for', name, 'is', score))"
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How to create a Manhattan plot with matplotlib in python?,plt.show()
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Python - How to extract the last x elements from a list,my_list[-10:]
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How do I read the first line of a string?,"my_string.split('\n', 1)[0]"
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Remove adjacent duplicate elements from a list,"[k for k, g in itertools.groupby([1, 2, 2, 3, 2, 2, 4])]"
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Python: How can I execute a jar file through a python script,"subprocess.call(['java', '-jar', 'Blender.jar'])"
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Adding calculated column(s) to a dataframe in pandas,"d.apply(lambda row: min([row['A'], row['B']]) - row['C'], axis=1)"
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How to use the mv command in Python with subprocess,"subprocess.call('mv /home/somedir/subdir/* somedir/', shell=True)"
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Python check if all elements of a list are the same type,"all(isinstance(x, int) for x in lst)"
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What is the best way to create a string array in python?,strs = ['' for x in range(size)]
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How to copy files to network path or drive using Python,os.system('NET USE P: /DELETE')
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How can i parse a comma delimited string into a list (caveat)?,"['foo', 'bar', 'one, two', 'three four']"
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How to click on the text button using selenium python,browser.find_element_by_class_name('section-select-all').click()
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NumPy List Comprehension Syntax,"[[X[i, j] for i in range(X.shape[0])] for j in range(x.shape[1])]"
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How to change folder names in python?,"os.rename('Joe Blow', 'Blow, Joe')"
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How can I check if a checkbox is checked in Selenium Python Webdriver?,driver.find_element_by_id('<check_box_id>').is_selected()
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Dumping subprcess output in a file in append mode,fh1.seek(2)
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How do I extract all the values of a specific key from a list of dictionaries?,results = [item['value'] for item in test_data]
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How to select element with Selenium Python xpath,"driver.find_element_by_xpath(""//div[@id='a']//a[@class='click']"")"
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"Regex to match 'lol' to 'lolllll' and 'omg' to 'omggg', etc","re.sub('l+', 'l', 'lollll')"
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How to handle a HTTP GET request to a file in Tornado?,"('/static/(.*)', web.StaticFileHandler, {'path': '/var/www'}),"
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Pandas : Delete rows based on other rows,"pd.merge(df.reset_index(), df, on='sseqid')"
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extract item from list of dictionaries,[d for d in a if d['name'] == 'pluto']
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Hexagonal Self-Organizing map in Python,"(i + 1, j), (i - 1, j), (i, j - 1), (i, j + 1), (i + 1, j - 1), (i + 1, j + 1)"
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How do I remove dicts from a list with duplicate fields in python?,"list(dict((x['id'], x) for x in L).values())"
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String formatting in Python,"print('[{0}, {1}, {2}]'.format(1, 2, 3))"
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NumPy List Comprehension Syntax,"[[X[i, j] for j in range(X.shape[1])] for i in range(x.shape[0])]"
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Add string in a certain position in Python,s[:4] + '-' + s[4:]
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Removing duplicate characters from a string,""""""""""""".join(set(foo))"
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Pandas groupby: How to get a union of strings,df.groupby('A').apply(lambda x: x.sum())
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How to write a confusion matrix in Python?,"array([[3, 0, 0], [0, 1, 2], [2, 1, 3]])"
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How to get everything after last slash in a URL?,"url.rsplit('/', 1)[-1]"
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how to clear the screen in python,os.system('clear')
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converting a list of integers into range in python,"[(0, 4), (7, 9), (11, 11)]"
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Python convert decimal to hex,hex(dec).split('x')[1]
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"Python server ""Only one usage of each socket address is normally permitted""","s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)"
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Find all occurrences of a substring in Python,"[m.start() for m in re.finditer('test', 'test test test test')]"
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Plot logarithmic axes with matplotlib in python,ax.set_yscale('log')
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Sorting list based on values from another list?,"[x for y, x in sorted(zip(Y, X))]"
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How to modify a variable inside a lambda function?,"myFunc(lambda a, b: iadd(a, b))"
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Python regular expression matching a multiline block of text,"re.compile('^(.+)(?:\\n|\\r\\n?)((?:(?:\\n|\\r\\n?).+)+)', re.MULTILINE)"
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Sort dictionary of dictionaries by value,"sorted(list(statuses.items()), key=lambda x: getitem(x[1], 'position'))"
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Reverse Y-Axis in PyPlot,plt.gca().invert_yaxis()
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pandas pivot table of sales,"df.groupby(['saleid', 'upc']).size().unstack(fill_value=0)"
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How to turn a boolean array into index array in numpy,numpy.where(mask)
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Pandas groupby: How to get a union of strings,"df.groupby('A')['C'].apply(lambda x: '{%s}' % ', '.join(x))"
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"How do I iterate over a Python dictionary, ordered by values?","sorted(list(dictionary.items()), key=lambda x: x[1])"
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Google App Engine - Request class query_string,self.request.get('var_name')
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What's the Pythonic way to combine two sequences into a dictionary?,"dict(zip(keys, values))"
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Numpy: How to check if array contains certain numbers?,numpy.array([(x in a) for x in b])
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"python, subprocess: reading output from subprocess",p.stdin.flush()
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How can I list the contents of a directory in Python?,glob.glob('/home/username/www/*')
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How can I write a list of lists into a txt file?,"[[0, 1, 2, 3, 4], ['A', 'B', 'C', 'D', 'E'], [0, 1, 2, 3, 4]]"
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python split string based on regular expression,"re.split('\\s+', str1)"
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Python BeautifulSoup Extract specific URLs,"soup.find_all('a', href=re.compile('^(?!(?:[a-zA-Z][a-zA-Z0-9+.-]*:|//))'))"
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How to create ternary contour plot in Python?,plt.axis('off')
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Map two lists into a dictionary in Python,"dict([(k, v) for k, v in zip(keys, values)])"
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TypeError: expected string or buffer in Google App Engine's Python,self.response.out.write(str(parsed_data['translatedText']))
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How do I autosize text in matplotlib python?,plt.show()
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List of all unique characters in a string?,list(set('aaabcabccd'))
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Multiplication of 1d arrays in numpy,"np.outer(a, b)"
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Python: Getting rid of \u200b from a string using regular expressions,"'used\u200b'.replace('\u200b', '*')"
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How to find row of 2d array in 3d numpy array,"np.argwhere(np.all(arr == [[0, 3], [3, 0]], axis=(1, 2)))"
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Best way to get the nth element of each tuple from a list of tuples in Python,[x[0] for x in G]
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Flask application traceback doesn't show up in server log,app.run(debug=True)
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How to apply standardization to SVMs in scikit-learn?,X_train = scaler.fit(X_train).transform(X_train)
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How to extract a floating number from a string,"re.findall('[-+]?\\d*\\.\\d+|\\d+', 'Current Level: -13.2 db or 14.2 or 3')"
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"In Python 2.5, how do I kill a subprocess?","os.kill(process.pid, signal.SIGKILL)"
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How to do this GROUP BY query in Django's ORM with annotate and aggregate,Article.objects.values('pub_date').annotate(article_count=Count('title'))
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splitting unicode string into words,'\u0440\u0430\u0437 \u0434\u0432\u0430 \u0442\u0440\u0438'.split()
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Map two lists into a dictionary in Python,"dict((k, v) for k, v in zip(keys, values))"
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How to use regex with optional characters in python?,"print(re.match('(\\d+(\\.\\d+)?)', '3434').group(1))"
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What's the usage to add a comma after self argument in a class method?,"{'top': ['foo', 'bar', 'baz'], 'bottom': ['qux']}"
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How to add a specific number of characters to the end of string in Pandas?,"s = pd.Series(['A', 'B', 'A1R', 'B2', 'AABB4'])"
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removing duplicates of a list of sets,[set(item) for item in set(frozenset(item) for item in L)]
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Pandas Groupby Range of Values,"df.groupby(pd.cut(df['B'], np.arange(0, 1.0 + 0.155, 0.155))).sum()"
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Array indexing in numpy,"x[(np.arange(x.shape[0]) != 1), :, :]"
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How to search for a word and then replace text after it using regular expressions in python?,"re.sub('(<form.*?action="")([^""]+)', '\\1newlogin.php', content)"
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How to generate all permutations of a list in Python,"itertools.permutations([1, 2, 3])"
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How to replace unicode characters in string with something else python?,"str.decode('utf-8').replace('\u2022', '*')"
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How to urlencode a querystring in Python?,urllib.parse.quote_plus('string_of_characters_like_these:$#@=?%^Q^$')
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How to obscure a line behind a surface plot in matplotlib?,plt.show()
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How can I check if a checkbox is checked in Selenium Python Webdriver?,driver.find_element_by_name('<check_box_name>').is_selected()
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Convert UTF-8 with BOM to UTF-8 with no BOM in Python,s = u.encode('utf-8')
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create dictionary from list of variables,"dict((k, globals()[k]) for k in ('foo', 'bar'))"
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Hexagonal Self-Organizing map in Python,"(i + 1, j), (i - 1, j), (i, j - 1), (i, j + 1), (i - 1, j - 1), (i + 1, j - 1)"
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What's the most pythonic way of normalizing lineends in a string?,"mixed.replace('\r\n', '\n').replace('\r', '\n')"
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"How to make a python script which can logoff, shutdown, and restart a computer?","subprocess.call(['shutdown', '/r'])"
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"How to make a python script which can logoff, shutdown, and restart a computer?","subprocess.call(['shutdown', '/l '])"
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Efficient feature reduction in a pandas data frame,df['Features'] = df['Features'].apply(frozenset)
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Averaging the values in a dictionary based on the key,"[(i, sum(j) / len(j)) for i, j in list(d.items())]"
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How to split a string into integers in Python?,' \r 42\n\r \t\n \r0\n\r\n'.split()
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Python - converting a string of numbers into a list of int,"[int(s) for s in example_string.split(',')]"
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get count of values associated with key in dict python,sum(d['success'] for d in s)
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Transforming the string representation of a dictionary into a real dictionary,"dict(map(int, x.split(':')) for x in s.split(','))"
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pandas: how to do multiple groupby-apply operations,"df.groupby(level=0).agg(['sum', 'count', 'std'])"
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