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"in django, filter `task.objects` based on all entities in ['a', 'p', 'f']","Task.objects.exclude(prerequisites__status__in=['A', 'P', 'F'])" |
plotting a 3d surface from a list of tuples in matplotlib,plt.show() |
python: how can i include the delimiter(s) in a string split?,"['(', 'two', 'plus', 'three', ')', 'plus', 'four']" |
python regex replace,"new_string = re.sub('""(\\d+),(\\d+)""', '\\1.\\2', original_string)" |
login to a site using python and opening the login site in the browser,webbrowser.open('http://somesite.com/adminpanel/index.php') |
matplotlib diagrams with 2 y-axis,plt.show() |
python pandas write to sql with nan values,"df2 = df.astype(object).where(pd.notnull(df), None)" |
"split string 'sad_pandas_and_happy_cats_for_people' based on string 'and', 'or' or 'for'","re.split('_(?:for|or|and)_', 'sad_pandas_and_happy_cats_for_people')" |
python remove anything that is not a letter or number,"re.sub('[\\W_]+', '', s)" |
how to set different levels for different python log handlers,logging.basicConfig(level=logging.DEBUG) |
how to configure logging in python,logger.setLevel(logging.DEBUG) |
"in django, how do i filter based on all entities in a many-to-many relation instead of any?","Task.objects.exclude(prerequisites__status__in=['A', 'P', 'F'])" |
"list comprehension - converting strings in one list, to integers in another","[sum(map(int, s)) for s in example.split()]" |
how to match beginning of string or character in python,"float(re.findall('(?:^|_)' + par + '(\\d+\\.\\d*)', dir)[0])" |
how do i write a float list of lists to file in python,file.write(str(m)) |
matplotlib scatter plot with different markers and colors,"plt.scatter(np.random.randn(100), np.random.randn(100), facecolors='none') " |
disable abbreviation in argparse,parser = argparse.ArgumentParser(allow_abbrev=False) |
find out the number of non-matched elements at the same index of list `a` and list `b`,"sum(1 for i, j in zip(a, b) if i != j)" |
getting pandas dataframe from list of nested dictionaries,"pd.concat([pd.DataFrame(l) for l in my_list], axis=1).T" |
decode json and iterate through items in django template,"return render_to_response('foo.html', {'results': decoded_json['Result']})" |
function with arguments in two lists,"[peaks([x, y]) for x, y in zip(xscat, yscat)]" |
flatten dataframe with multi-index columns,"piv.unstack().reset_index().drop('level_0', axis=1)" |
sort dict by value python,"sorted(data, key=data.get)" |
"extracting words from a string, removing punctuation and returning a list with separated words in python","[w for w in re.split('\\W', 'Hello world, my name is...James!') if w]" |
how do i unit test a monkey patch in python,"self.assertEqual(my_patch_method, patch_my_lib().target_method.__func__)" |
from a list of lists to a dictionary,{x[1]: x for x in lol} |
set the current working directory to 'c:\\users\\uname\\desktop\\python',os.chdir('c:\\Users\\uname\\desktop\\python') |
remove all non-alphabet chars from string `s`,""""""""""""".join([i for i in s if i.isalpha()])" |
python: how can i execute a jar file through a python script,"subprocess.call(['java', '-jar', 'Blender.jar'])" |
python list comprehension for loops,"[(x + y) for x, y in zip('ab', '12345')]" |
how to create a hyperlink with a label in tkinter?,root.mainloop() |
how to delete an item in a list if it exists?,cleaned_list = [x for x in some_list if x is not thing] |
how to hide firefox window (selenium webdriver)?,driver = webdriver.Firefox() |
python/django: creating a simpler list from values_list(),"Entry.objects.values_list('id', flat=True).order_by('id')" |
match contents of an element to 'example' in xpath (lxml),"tree.xpath("".//a[text()='Example']"")[0].tag" |
"django typeerror int() argument must be a string or a number, not 'querydict'",u = User(name=request.POST.get('user')) |
search and split string 'aaa bbb ccc ddd eee fff' by delimiter '(ddd)',"re.split('(ddd)', 'aaa bbb ccc ddd eee fff', 1)" |
how to flush the input stream in python?,sys.stdout.flush() |
replace all non-alphanumeric characters in a string,"re.sub('[^0-9a-zA-Z]+', '*', 'h^&ell`.,|o w]{+orld')" |
how can i get my contour plot superimposed on a basemap,plt.show() |
deleting rows in numpy array,"x = numpy.delete(x, 0, axis=0)" |
reading formatted text using python,g.write('# comment\n') |
python pandas identify duplicated rows with additional column,"df.groupby(['PplNum', 'RoomNum']).cumcount() + 1" |
create a json response `response_data`,"return HttpResponse(json.dumps(response_data), content_type='application/json')" |
python find list lengths in a sublist,[len(x) for x in a[0]] |
ordering a list of dictionaries `mylist` by elements 'weight' and 'factor',"mylist.sort(key=lambda d: (d['weight'], d['factor']))" |
sort a list in python based on another sorted list,"sorted(unsorted_list, key=lambda x: order.get(x, -1))" |
reading a text file and splitting it into single words in python,[word for line in f for word in line.split()] |
how do i access a object's method when the method's name is in a variable?,"getattr(test, method)()" |
how do i change the representation of a python function?,hehe() |
how can i show figures separately in matplotlib?,plt.show() |
how do get matplotlib pyplot to generate a chart for viewing / output to .png at a specific resolution?,"plt.savefig('/tmp/test.png', bbox_inches='tight')" |
"python, lxml and xpath - html table parsing",return [process_row(row) for row in table.xpath('./tr')] |
fast way to put ones beetween ones in each row of a numpy 2d array,"np.maximum.accumulate(Q[:, ::-1], axis=1)[:, ::-1]" |
parse a tuple from a string?,"new_tuple = tuple('(1,2,3,4,5)'[1:-1].split(','))" |
how can i properly set the `env.hosts` in a function in my python fabric `fabfile.py`?,run('ls') |
what is the simplest way to swap char in a string with python?,""""""""""""".join([s[x:x + 2][::-1] for x in range(0, len(s), 2)])" |
iterate over a dictionary by comprehension and get a dictionary,"dict((k, mimes[k]) for k in mimes if mimes[k] == 'image/tiff')" |
split a string into n equal parts?,"parts = [your_string[i:i + n] for i in range(0, len(your_string), n)]" |
django models - how to filter number of foreignkey objects,[a for a in A.objects.all() if a.b_set.count() < 2] |
case insensitive dictionary search with python,"a_lower = {k.lower(): v for k, v in list(a.items())}" |
python - iterating over a subset of a list of tuples,[x for x in l if x[1] == 1] |
how do i attach event bindings to items on a canvas using tkinter?,root.mainloop() |
python: how to add three text files into one variable and then split it into a list,"msglist = [hextotal[i:i + 4096] for i in range(0, len(hextotal), 4096)]" |
how do i make the width of the title box span the entire plot?,plt.show() |
removing elements from an array that are in another array,A = [i for i in A if i not in B] |
find object by its member inside a list in python,[x for x in myList if x.age == 30] |
filter the objects in django model 'sample' between date range `2011-01-01` and `2011-01-31`,"Sample.objects.filter(date__range=['2011-01-01', '2011-01-31'])" |
get a md5 hash from string `thecakeisalie`,k = hashlib.md5('thecakeisalie').hexdigest() |
numpy - add row to array,"array([[0, 1, 2], [0, 2, 0], [0, 1, 2], [1, 2, 0], [2, 1, 2]])" |
starting two methods at the same time in python,threading.Thread(target=play2).start() |
django - regex for optional url parameters,"return render_to_response('my_view.html', context)" |
converting byte string in unicode string,c.decode('unicode_escape') |
convert date `my_date` to datetime,"datetime.datetime.combine(my_date, datetime.time.min)" |
get all the second values from a list of lists `a`,[row[1] for row in A] |
extract dictionary values by key 'feature3' from data frame `df`,feature3 = [d.get('Feature3') for d in df.dic] |
append string 'str' at the beginning of each value in column 'col' of dataframe `df`,df['col'] = 'str' + df['col'].astype(str) |
filter pyspark dataframe column with none value,df.filter('dt_mvmt is NULL') |
how to get integer values from a string in python?,"map(int, re.findall('\\d+', string1))" |
how do i abort a socket.recvfrom() from another thread in python?,"self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)" |
remove first directory from path '/first/second/third/fourth/fifth',os.path.join(*x.split(os.path.sep)[2:]) |
is there a random letter generator with a range?,"random.choice(['A', 'B', 'C', 'D'])" |
want to plot pandas dataframe as multiple histograms with log10 scale x-axis,ax.set_xscale('log') |
comparing two lists in python,"['a', 'c']" |
how to update an object or bail if it has been deleted in django,thing.save() |
remove multiple values from a list `my_list` at the same time with index starting at `2` and ending just before `6`.,del my_list[2:6] |
ttk: how to make a frame look like a labelframe?,root.mainloop() |
how can i add a comment to a yaml file in python,f.write('# Data for Class A\n') |
how can i get an email message's text content using python?,print(part.get_payload()) |
python: plotting a histogram with a function line on top,plt.show() |
"replace single quote character in string ""didn't"" with empty string ''","""""""didn't"""""".replace(""'"", '')" |
list manipulation in python with pop(),"newlist = [x for x in oldlist if x not in ['a', 'c']]" |
"combine two dictionaries `d ` and `d1`, concatenate string values with identical `keys`","dict((k, d.get(k, '') + d1.get(k, '')) for k in keys)" |
spaces inside a list,print(' '.join(['{: 3d}'.format(x) for x in rij3])) |
format time string in python 3.3,time.strftime('{%Y-%m-%d %H:%M:%S}') |
where do you store the variables in jinja?,template.render(name='John Doe') |
how do i plot multiple x or y axes in matplotlib?,plt.show() |
python numpy 2d array indexing,"b[a[1, 1]]" |
python : how to append new elements in a list of list?,a = [[] for i in range(3)] |
how to apply a function to a series with mixed numbers and integers,"pd.to_numeric(a, errors='coerce').fillna(-1)" |
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