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python Programming Glossary: takeWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python ability it can also create classes on the fly. type can take the description of a class as parameters and return a class... an IntegerField object. It will return an int and can even take it directly from the database. This is possible because models.Model..
http://stackoverflow.com/questions/1035340/reading-binary-file-in-python byte f.read 1 Or as benhoyt says skip the not equal and take advantage of the fact that b evaluates to false. This makes..
http://stackoverflow.com/questions/1191374/subprocess-with-timeout more than X number of seconds therefore communicate may take forever to run. What is the simplest way to implement timeouts..
Using numpy to build an array of all combinations of two arrays http://stackoverflow.com/questions/1208118/using-numpy-to-build-an-array-of-all-combinations-of-two-arrays I'm searching for a efficient way to do this. My function takes float values given a 6 dim numpy array as input. What I tried.. to do initially was this 1 First I created a function that takes 2 arrays and generate an array with all combinations of values.. doing this with numpy I can modify the way the function F take it's arguments if it's necessary. python arrays multidimensional..
http://stackoverflow.com/questions/15112125/if-x-or-y-or-z-blah if 1 in x y z or better still if 1 in x y z using a set to take advantage of the constant cost membership test in takes a fixed.. to take advantage of the constant cost membership test in takes a fixed amount of time whatever the left hand operand is ...
Understanding kwargs in Python http://stackoverflow.com/questions/1769403/understanding-kwargs-in-python this question You can use kwargs to let your functions take an arbitrary number of keyword arguments def print_keyword_args..
What do (lambda) function closures capture in Python? http://stackoverflow.com/questions/2295290/what-do-lambda-function-closures-capture-in-python adders 1 3 It builds a simple array of functions that take a single input and return that input added by a number. The..
Python: Once and for all. What does the Star operator mean in Python? [duplicate] http://stackoverflow.com/questions/2921847/python-once-and-for-all-what-does-the-star-operator-mean-in-python documentation. Additionally you can define functions to take x and y arguments this allows a function to accept any number..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement can represent the split with a single percentage. Let's us take the example of five equally weighted choices a 1 b 1 c 1 d 1.. b 0.2 c 0.2 d 0.2 e 0.2 If the partition is not filled take the variable with the most weight and fill the partition with..
Does python have an equivalent to Java Class.forName()? http://stackoverflow.com/questions/452969/does-python-have-an-equivalent-to-java-class-forname an equivalent to Java Class.forName I have the need to take a string argument and create an object of the class named in.. tutorial There's no direct function that I know of which takes a fully qualified class name and returns the class however..
Python string formatting: % vs. .format http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format example if my logging level is set to HIGH will I still take a hit for performing the following operation And if so is there.. with . An annoying thing about is also how it can either take a variable or a tuple. You'd think the following would always..
Take a screenshot via a python script. [Linux] http://stackoverflow.com/questions/69645/take-a-screenshot-via-a-python-script-linux a screenshot via a python script. Linux I want to take a screenshot via a python script and unobtrusively save it...
http://stackoverflow.com/questions/886221/does-django-scale about traffic on Django built sites so I'll have to take a stab at it using data from various locations. First we have..
list comprehension without [ ], Python http://stackoverflow.com/questions/9060653/list-comprehension-without-python ''.join str _ for _ in xrange 10 '0123456789' join must take an iteratable. Apparently join 's argument is str _ for _ in..
Simple Digit Recognition OCR in OpenCV-Python http://stackoverflow.com/questions/9413216/simple-digit-recognition-ocr-in-opencv-python a little difficult for a beginner. So i just decided to take all the pixel values as features. I was not worried about accuracy..
http://stackoverflow.com/questions/108848/python-music-library ears. python audio music share improve this question Take a close look at cSounds . There are Python bindings allow you..
Decoding HTML entities with Python http://stackoverflow.com/questions/1208916/decoding-html-entities-with-python NYTimes.com and I cannot figure out what I am doing wrong. Take for example U.S. Adviser #8217 s Blunt Memo on Iraq Time #8216..
http://stackoverflow.com/questions/1263451/python-decorators-in-classes this question What you're wanting to do isn't possible. Take for instance whether or not the code below looks valid class..
How to adjust the quality of a resized image in Python Imaging Library? http://stackoverflow.com/questions/1405602/how-to-adjust-the-quality-of-a-resized-image-in-python-imaging-library 90 image.save filename 'JPEG' quality quality_val Take a look at the source for models.py from Photologue to see how..
http://stackoverflow.com/questions/17160162/what-is-in-python-2-7 you know this and to inform that it can't be represented Take a look at @6502's answer to see a nice picture showing what's..
Checking File Permissions in Linux with Python http://stackoverflow.com/questions/1861836/checking-file-permissions-in-linux-with-python st os.stat filepath return bool st.st_mode stat.S_IRGRP Take care the os.stat call can be somewhat costly so make sure to..
How to convert an xml string to a dictionary in Python? http://stackoverflow.com/questions/2148119/how-to-convert-an-xml-string-to-a-dictionary-in-python the same way it is done in Django's simplejson library. Take as an example str xml version 1.0 person name john name age..
http://stackoverflow.com/questions/2648151/python-frequency-detection wave.struct.unpack dh len data swidth data window # Take the fft and square each value fftData abs np.fft.rfft indata..
Python “is” operator behaves unexpectedly with integers http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers python comparison identity share improve this question Take a look at this a 256 b 256 id a 9987148 id b 9987148 a 257 b..
Python - Best library for drawing [closed] http://stackoverflow.com/questions/326300/python-best-library-for-drawing describing different GUI toolkits with code snippets. Take a look at the various answers for a brief look into the various..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement case we create 8 partitions each able to contain 0.125. Take the variable with the least remaining weight and place as much..
Python: single instance of program http://stackoverflow.com/questions/380870/python-single-instance-of-program idea maybe there's something more lightweight than this Take into consideration that program is expected to fail sometimes..
Implementing Single Sign On (SSO) using Django http://stackoverflow.com/questions/4662348/implementing-single-sign-on-sso-using-django django single sign on share improve this question Take a look at https github.com zuber django cas provider https github.com..
Finding number of colored shapes from picture using Python http://stackoverflow.com/questions/5298884/finding-number-of-colored-shapes-from-picture-using-python complicated solution which is probably not the best one Take a picture and start iterating through pixels checking each one's..
Is there a way to substring a string in Python? http://stackoverflow.com/questions/663171/is-there-a-way-to-substring-a-string-in-python concept slicing and it works on more than just strings. Take a look here for a comprehensive introduction. share improve..
Take a screenshot via a python script. [Linux] http://stackoverflow.com/questions/69645/take-a-screenshot-via-a-python-script-linux a screenshot via a python script. Linux I want to take a screenshot..
Circular (or cyclic) imports in Python http://stackoverflow.com/questions/744373/circular-or-cyclic-imports-in-python own name will create a new module unrelated to __main__. Take that lot together and you shouldn't get any surprises when importing..
How do I use Python's itertools.groupby()? http://stackoverflow.com/questions/773/how-do-i-use-pythons-itertools-groupby itertools.groupby function. What I'm trying to do is this Take a list in this case the children of an objectified lxml element..
How do I tell Python to convert integers into words http://stackoverflow.com/questions/8982163/how-do-i-tell-python-to-convert-integers-into-words Bottles of beer on the wall print i bottles of beer. print Take one down and pass it around print i 1 bottles of beer on the..
What is the correct way to set Python's locale? http://stackoverflow.com/questions/955986/what-is-the-correct-way-to-set-pythons-locale using Windows. The locale strings are different there. Take a more precise look at the doc locale.setlocale locale.LC_ALL..
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