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"conda - How to install R packages that are not available in ""R-essentials""?","install.packages('png', '/home/user/anaconda3/lib/R/library')" |
How can I make an animation with contourf()?,plt.show() |
Animating 3d scatterplot in matplotlib,plt.show() |
How to create an ec2 instance using boto3,"ec2.create_instances(ImageId='<ami-image-id>', MinCount=1, MaxCount=5)" |
"How to get value on a certain index, in a python list?","dictionary = dict([(List[i], List[i + 1]) for i in range(0, len(List), 2)])" |
matplotlib (mplot3d) - how to increase the size of an axis (stretch) in a 3D Plot?,plt.show() |
python pandas datetime.time - datetime.time,df.applymap(time.isoformat).apply(pd.to_timedelta) |
Pandas: Mean of columns with the same names,"df.groupby(by=df.columns, axis=1).apply(gf)" |
Group by multiple time units in pandas data frame,dfts = df.set_index('date_time') |
How do I plot multiple X or Y axes in matplotlib?,plt.xlabel('Dose') |
How to designate unreachable python code,"raise ValueError(""Unexpected gender; expected 'm' or 'f', got %s"" % gender)" |
How can I plot hysteresis in matplotlib?,"ax = fig.add_subplot(111, projection='3d')" |
Strip Non alpha numeric characters from string in python but keeping special characters,"re.sub('_', '', re.sub(pattern, '', x))" |
How to create python bytes object from long hex string?,s.decode('hex') |
How to multiply all integers inside list,"l = map(lambda x: x * 2, l)" |
How to read multiple files and merge them into a single pandas data frame?,dfs = pd.concat([pd.read_csv('data/' + f) for f in files]) |
pandas: How to find the max n values for each category in a column,"[['A', 'Book2', '10'], ['B', 'Book1', '7'], ['B', 'Book2', '5']]" |
Best way to permute contents of each column in numpy,"array([[12, 1, 14, 11], [4, 9, 10, 7], [8, 5, 6, 15], [0, 13, 2, 3]])" |
Convert integer to hex-string with specific format,hex(x)[2:].decode('hex') |
Formatting text to be justified in Python 3.3 with .format() method,"""""""{:20s}"""""".format(mystring)" |
Custom keys for Google App Engine models (Python),kwargs['key_name'] = kwargs['name'] |
How to format a floating number to fixed width in Python,print('{:10.4f}'.format(x)) |
Get Traceback of warnings,warnings.simplefilter('always') |
How to get first element in a list of tuples?,new_list = [seq[0] for seq in yourlist] |
collapsing whitespace in a string,"re.sub('[_\\W]+', ' ', s).strip().upper()" |
Mapping over values in a python dictionary,"my_dictionary = {k: f(v) for k, v in list(my_dictionary.items())}" |
Grouping Pandas DataFrame by n days starting in the begining of the day,df['dateonly'] = df['time'].apply(lambda x: x.date()) |
pandas: best way to select all columns starting with X,"df.loc[(df == 1).any(axis=1), df.columns.map(lambda x: x.startswith('foo'))]" |
Reindex sublevel of pandas dataframe multiindex,df['Measurements'] = df.reset_index().groupby('Trial').cumcount() |
How convert a jpeg image into json file in Google machine learning,{'image_bytes': {'b64': 'dGVzdAo='}} |
Python: How can I include the delimiter(s) in a string split?,"['(two', 'plus', 'three)', 'plus', 'four']" |
How to use python pandas to get intersection of sets from a csv file,csv_pd.query('setA==1 & setB==0 & setC==0').groupby('D').count() |
SQLAlchemy query where a column contains a substring,Model.query.filter(Model.columnName.contains('sub_string')) |
How to get the current port number in Flask?,app.run(port=port) |
Sum one number to every element in a list (or array) in Python,"map(lambda x: x + 1, L)" |
Is it possible to print a string at a certain screen position inside IDLE?,sys.stdout.flush() |
how to combine two data frames in python pandas,"df_col_merged = pd.concat([df_a, df_b], axis=1)" |
How to teach beginners reversing a string in Python?,s[::-1] |
"How do you determine if an IP address is private, in Python?",ip.iptype() |
Insert item into case-insensitive sorted list in Python,"['a', 'A', 'b', 'B', 'c', 'C', 'd', 'D', 'e', 'E']" |
Numpy: Sorting a multidimensional array by a multidimensional array,a[list(np.ogrid[[slice(x) for x in a.shape]][:-1]) + [i]] |
3d plotting with python,plt.show() |
How to rotate a QPushButton?,self.layout.addWidget(self.button) |
"Using Python, is there a way to automatically detect a box of pixels in an image?",img.save(sys.argv[2]) |
When should I commit with SQLAlchemy using a for loop?,db.session.commit() |
open file with a unicode filename?,open('someUnicodeFilename\u03bb') |
Interleaving Lists in Python,"list(chain.from_iterable(zip(list_a, list_b)))" |
Python & Pandas: How to query if a list-type column contains something?,df[df.genre.str.join(' ').str.contains('comedy')] |
python dict comprehension with two ranges,"{i: j for i, j in zip(list(range(1, 5)), list(range(7, 11)))}" |
Python: invalid literal for int() with base 10: '808.666666666667',int(float('808.666666666667')) |
Python: prevent values in Pandas Series rounding to integer,"series = pd.Series(list(range(20)), dtype=float)" |
Scatterplot Contours In Matplotlib,plt.show() |
How to add http headers in suds 0.3.6?,client.set_options(headers={'key2': 'value'}) |
How to attach a Scrollbar to a Text widget?,"scrollb.grid(row=0, column=1, sticky='nsew')" |
Colored LaTeX labels in plots,plt.xlabel('$x=\\frac{ \\color{red}{red text} }{ \\color{blue}{blue text} }$') |
"Getting return values from a MySQL stored procedure in Python, using MySQLdb",results = cursor.fetchall() |
Proper way in Python to raise errors while setting variables,raise ValueError('password must be longer than 6 characters') |
Finding missing values in a numpy array,m[m.mask] |
Finding index of maximum value in array with NumPy,x[np.where(x == 5)] |
Printing a list using python,"print('[', ', '.join(repr(i) for i in list), ']')" |
"In Python, how can I turn this format into a unix timestamp?",int(time.mktime(dt.timetuple())) |
How to make Matplotlib scatterplots transparent as a group?,plt.show() |
"How to filter the DataFrame rows of pandas by ""within""/""in""?",b = df[(df['a'] > 1) & (df['a'] < 5)] |
Pandas DataFrame - Find row where values for column is maximal,df.ix[df['A'].idxmax()] |
Representing a multi-select field for weekdays in a Django model,weekdays = models.PositiveIntegerField(choices=WEEKDAYS) |
How to get an isoformat datetime string including the default timezone?,datetime.datetime.now(pytz.timezone('US/Central')).isoformat() |
How can I replace all the NaN values with Zero's in a column of a pandas dataframe,df['column'] = df['column'].fillna(value) |
filtering pandas dataframes on dates,df.ix['2014-01-01':'2014-02-01'] |
How can I get a list of all classes within current module in Python?,"clsmembers = inspect.getmembers(sys.modules[__name__], inspect.isclass)" |
Get top biggest values from each column of the pandas.DataFrame,"pd.DataFrame(_, columns=data.columns, index=data.index[:3])" |
How to to filter dict to select only keys greater than a value?,"{k: v for k, v in list(mydict.items()) if k >= 6}" |
Capitalizing non-ASCII words in Python,print('\xc3\xa9'.decode('cp1252').capitalize().encode('cp1252')) |
How convert a jpeg image into json file in Google machine learning,{'instances': [{'image_bytes': {'b64': 'dGVzdAo='}}]} |
Reading hex to double-precision float python,"struct.unpack('d', '4081637ef7d0424a'.decode('hex'))" |
How to index a pandas dataframe using locations wherever the data changes,"df.drop_duplicates(keep='last', subset=['valueA', 'valueB'])" |
Passing on named variable arguments in python,"methodB('argvalue', **kwargs)" |
How to redirect stderr in Python?,"sys.stderr = open('C:\\err.txt', 'w')" |
Python/Matplotlib - Is there a way to make a discontinuous axis?,ax.tick_params(labeltop='off') |
matplotlib - extracting data from contour lines,plt.show() |
How can I make an animation with contourf()?,plt.show() |
"Python Regular Expressions, find Email Domain in Address","re.search('@.*', test_string).group()" |
Access index of last element in data frame,df['date'][df.index[-1]] |
How to mask numpy structured array on multiple columns?,A[(A['segment'] == 42) & (A['material'] == 5)] |
How to get the width of a string in pixels?,"width, height = dc.GetTextExtent('Text to measure')" |
"search for ""does-not-contain"" on a dataframe in pandas",~df['col'].str.contains(word) |
Extracting words between delimiters [] in python,"re.findall('\\[([^\\]]*)\\]', str)" |
Flask: Using multiple packages in one app,app.run() |
Python list comprehension - simple,[(x * 2 if x % 2 == 0 else x) for x in a_list] |
python append to array in json object,jsobj['a']['b']['e'].append(dict(f=var3)) |
Python most common element in a list,"print(most_common(['goose', 'duck', 'duck', 'goose']))" |
Is there a multi-dimensional version of arange/linspace in numpy?,"X, Y = np.mgrid[-5:5:21j, -5:5:21j]" |
Embed a web browser in a Python program,browser.close() |
Find lowest value in a list of dictionaries in python,return min(d['id'] for d in l if 'id' in d) |
Divide two lists in python,"[(x * 1.0 / y) for x, y in zip(a, b)]" |
Pythonic way to insert every 2 elements in a string,"""""""-"""""".join(a + b for a, b in zip(t, t))" |
Rendering text with multiple lines in pygame,pygame.display.update() |
ttk: how to make a frame look like a labelframe?,root.mainloop() |
How to overplot a line on a scatter plot in python?,"plt.plot(x, m * x + b, '-')" |
Accessing form fields as properties in a django view,print(myForm.cleaned_data.get('description')) |
Changing the options of a OptionMenu when clicking a Button,root.mainloop() |
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