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how to convert a list of multiple integers into a single integer?,"x = [1, 3, 5]"
how to create a menu and submenus in python curses?,curses.doupdate()
reverse string 'foo',''.join(reversed('foo'))
how to merge two dataframe in pandas to replace nan,"a.where(~np.isnan(a), other=b, inplace=True)"
generate md5 checksum of file in the path `full_path` in hashlib,"print(hashlib.md5(open(full_path, 'rb').read()).hexdigest())"
how do i add space between two variables after a print in python,print(str(count) + ' ' + str(conv))
how to convert a hex string to hex number,print(hex(new_int)[2:])
stop infinite page load in selenium webdriver - python,driver.send_keys(Keys.CONTROL + 'Escape')
python json encoding,"json.dumps({'apple': 'cat', 'banana': 'dog', 'pear': 'fish'})"
python: display special characters when using print statement,"print(repr(a).replace(' ', '\\s'))"
extract values not equal to 0 from numpy array `a`,a[a != 0]
capturing emoticons using regular expression in python,"re.match('[:;][)(](?![)(])', str)"
selecting attribute values from lxml,print(customer.xpath('./@NAME')[0])
splitting a string based on a certain set of words,"re.split('_(?:for|or|and)_', 'sad_pandas_and_happy_cats_for_people')"
"how to insert to a mysql table using mysaldb, where the table name is in a python variable?",'%%s %s' % 'x'
pandas: best way to select all columns starting with x,"df.filter(regex='^foo\\.', axis=1)"
how to write text on a image in windows using python opencv2,"cv2.putText(image, 'Hello World!!!', (x, y), cv2.FONT_HERSHEY_SIMPLEX, 2, 255)"
pandas: check if row exists with certain values,((df['A'] == 1) & (df['B'] == 2)).any()
python requests library how to pass authorization header with single token,"r = requests.get('<MY_URI>', headers={'Authorization': 'TOK:<MY_TOKEN>'})"
removing all non-numeric characters from string in python,""""""""""""".join(c for c in 'abc123def456' if c.isdigit())"
get `3` unique items from a list,"random.sample(list(range(1, 16)), 3)"
python convert list to dictionary,"dict([['two', 2], ['one', 1]])"
request uri '<my_uri>' and pass authorization token 'tok:<my_token>' to the header,"r = requests.get('<MY_URI>', headers={'Authorization': 'TOK:<MY_TOKEN>'})"
get the canonical path of file `path`,os.path.realpath(path)
how to write a regular expression to match a string literal where the escape is a doubling of the quote character?,"""""""'(''|[^'])*'"""""""
python selenium click on button,driver.find_element_by_css_selector('.button .c_button .s_button').click()
accessing form fields as properties in a django view,print(myForm.cleaned_data.get('description'))
split a list into parts based on a set of indexes in python,"[[0, 1, 2, 3, 4], [5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16], [17, 18, 19]]"
using pandas in python to append csv files into one,"df = pd.concat([df1, df2], ignore_index=True)"
close a tkinter window?,root.destroy()
count occurrences of number by column in pandas data frame,(df == 1).sum()
named colors in matplotlib,"plt.plot([1, 2], lw=4, c='#8f9805')"
convert list of dictionaries `l` into a flat dictionary,dict(pair for d in L for pair in list(d.items()))
subset of dictionary keys,{v[0]: data[v[0]] for v in list(by_ip.values())}
tkinter adding line number to text widget,root.mainloop()
retrieving list items from request.post in django/python,request.POST.getlist('pass_id')
how to generate all possible strings in python?,"map(''.join, itertools.product('ABC', repeat=3))"
fastest way of deleting certain keys from dict in python,"dict((k, v) for k, v in somedict.items() if not k.startswith('someprefix'))"
splitting a list in python,"['4', ')', '/', '3', '.', 'x', '^', '2']"
removing items from unnamed lists in python,[item for item in my_sequence if item != 'item']
resampling within a pandas multiindex,df['Date'] = pd.to_datetime(df['Date'])
flask : how to architect the project with multiple apps?,app.run()
how can i get the current contents of an element in webdriver,driver.get('http://www.w3c.org')
convert generator object to a dictionary,{i: (i * 2) for i in range(10)}
how to select specific columns in numpy array?,"A = np.delete(A, 50, 1)"
how can i split and parse a string in python?,print(mystring.split(' '))
progress of python requests post,"requests.post(url, data=body, headers=headers)"
how can i control the keyboard and mouse with python?,"dogtail.rawinput.click(100, 100)"
run multiple tornado processess,tornado.ioloop.IOLoop.instance().start()
rename index of a pandas dataframe,df.ix['c']
"pythonic way to fetch all elements in a dictionary, falling between two keys?","dict((k, v) for k, v in parent_dict.items() if 2 < k < 4)"
specific sort a list of numbers separated by dots,"print(sorted(L, key=lambda x: int(x.split('.')[2])))"
split a string by backslash in python,print(a.split('\\'))
how to embed python tkinter window into a browser?,matplotlib.use('module://mplh5canvas.backend_h5canvas')
replace value 0 with 'female' and value 1 with 'male' in column 'sex' of dataframe `data`,"data['sex'].replace([0, 1], ['Female', 'Male'], inplace=True)"
how do i redefine functions in python?,module1.func1('arg1')
"convert tuple elements in list `[(1,2),(3,4),(5,6),]` into lists","map(list, zip(*[(1, 2), (3, 4), (5, 6)]))"
python: rename single column header in pandas dataframe,"data.rename(columns={'gdp': 'log(gdp)'}, inplace=True)"
how to generate random colors in matplotlib?,plt.show()
summing 2nd list items in a list of lists of lists,[sum(zip(*x)[1]) for x in data]
how to plot with x-axis at the top of the figure?,plt.show()
how to post data structure like json to flask?,content = request.json['content']
how do i remove the background from this kind of image?,cv2.waitKey()
using beautifulsoup to select div blocks within html `soup`,"soup.find_all('div', class_='crBlock ')"
"remove all instances of `[1, 1]` from a list `a`","[x for x in a if x != [1, 1]]"
easiest way to replace a string using a dictionary of replacements?,"from functools import reduce
reduce(lambda x, y: x.replace(y, dict[y]), dict, s)"
remove multiple values from [list] dictionary python,"{k: [x for x in v if x != 'x'] for k, v in myDict.items()}"
how do i make a single legend for many subplots with matplotlib?,"fig.legend(lines, labels, loc=(0.5, 0), ncol=5)"
how to print dataframe without index,print(df.to_string(index=False))
tornado : support multiple application on same ioloop,ioloop.IOLoop.instance().start()
django urls with empty values,"url('^api/student/(?P<pk>.*)/(?P<pk2>.*)/$', api.studentList.as_view()),"
remove items from a list while iterating without using extra memory in python,li = [x for x in li if condition(x)]
how to create a simple network connection in python?,server.serve_forever()
how to remove parentheses and all data within using pandas/python?,"df['name'].str.replace('\\(.*\\)', '')"
"python, lxml and xpath - html table parsing",tbl = doc.xpath('//body/table[2]//tr[position()>2]')[0]
convert a list of lists `list_of_lists` into a list of strings keeping empty sub-lists as empty string '',[''.join(l) for l in list_of_lists]
how do you select choices in a form using python?,forms[3]['sex'] = 'male'
switching keys and values in a dictionary in python,"dict((v, k) for k, v in my_dict.items())"
large number of subplots with matplotlib,"fig, ax = plt.subplots(10, 10)"
how to add different graphs (as an inset) in another python graph,plt.show()
check if elements in list `my_list` are coherent in order,"return my_list == list(range(my_list[0], my_list[-1] + 1))"
python http request with token,"requests.get('https://www.mysite.com/', auth=('username', 'pwd'))"
"open image ""picture.jpg""","img = Image.open('picture.jpg')
Img.show"
replace values in pandas series with dictionary,s.replace({'abc': 'ABC'})
how to import from config file in flask?,app.config.from_object('config.ProductionConfig')
multi index sorting in pandas,"df.sort([('Group1', 'C')], ascending=False)"
how do i sort a list with positives coming before negatives with values sorted respectively?,"sorted(lst, key=lambda x: (x < 0, x))"
find the real user home directory using python,os.path.expanduser('~user')
how to multiply two vector and get a matrix?,"numpy.outer(numpy.array([1, 2]), numpy.array([3, 4]))"
convert list of tuples to list?,[i[0] for i in e]
calculate the mean of columns with same name in dataframe `df`,"df.groupby(by=df.columns, axis=1).mean()"
saving a video capture in python with opencv : empty video,cap = cv2.VideoCapture(0)
"converting string '(1,2,3,4)' to a tuple","ast.literal_eval('(1,2,3,4)')"
sorting values of python dict using sorted builtin function,"sorted(list(mydict.values()), reverse=True)"
what is the most efficient way to check if a value exists in a numpy array?,"np.any(my_array[:, (0)] == value)"
regex. match words that contain special characters or 'http://',"re.findall('(http://\\S+|\\S*[^\\w\\s]\\S*)', a)"
how can i extract all values from a dictionary in python?,list(d.values())
merge dictionaries form array `dicts` in a single expression,"dict((k, v) for d in dicts for k, v in list(d.items()))"