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python Programming Glossary: outHow do you send a HEAD HTTP request in Python? http://stackoverflow.com/questions/107405/how-do-you-send-a-head-http-request-in-python document or a jpg image for example. Thus I need to figure out how to send a HEAD request so that I can read the mime type.. send a HEAD request so that I can read the mime type without having to download the content. Does anyone know of an easy..
Which Python memory profiler is recommended? [closed] http://stackoverflow.com/questions/110259/which-python-memory-profiler-is-recommended guppy import hpy h hpy print h.heap This gives you some output like this Partition of a set of 132527 objects. Total size.. 530 0 739856 9 4189288 50 dict no owner You can also find out from where objects are referenced and get statistics about that.. out from where objects are referenced and get statistics about that but somehow the docs on that are a bit sparse. There is..
Remove items from a list while iterating in Python http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python should I use in place of code_to_remove_tup I can't figure out how to remove the item in this fashion. python iteration ..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python recursion if objects reference each other . So Python cops out. Note that there is one default which is true if __repr__ is.. goal of __repr__ is to be unambiguous Let me come right out and say it I do not believe in debuggers. I don ™t really know.. repr c c that means you know everything there is to know about c . If that ™s easy enough at least in a fuzzy way do it. If..
How to clone a list in python? http://stackoverflow.com/questions/2612802/how-to-clone-a-list-in-python old_list Alex Martelli's opinion at least back in 2007 about this is that it is a weird syntax and it does not make sense.. This is a little slower than list because it has to find out the datatype of old_list first. If the list contains objects..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python import string s string. With. Punctuation # Sample string out s.translate string.maketrans string.punctuation Is there python..
What do *args and **kwargs mean? [duplicate] http://stackoverflow.com/questions/287085/what-do-args-and-kwargs-mean if __name__ '__main__' foo LOVE lol lololol This prints out LOVE 'lol' 'lololol' How do you effectively use them python..
Calling a function from a string with the function's name in Python http://stackoverflow.com/questions/3061/calling-a-function-from-a-string-with-the-functions-name-in-python function's name in Python What is the best way to go about calling a function given a string with the function's name in.. whose contents are bar . What is the best way to go about calling foo.bar I need to get the return value of the function.. function which is why I don't just use eval . I figured out how to do it by using eval to define a temp function that returns..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat to translate to another programming language I am setting out to do a side project that has the goal of translating code from.. symbol tables and control flow. Then I believe I can start outputting code. I don't need a perfect translation . I'll still.. of this . There's nothing wrong with you thinking about building a language to language translator or attempting it..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python module to start a subprocess and connect to it's output stream stdout . I want to be able to execute non blocking.. to start a subprocess and connect to it's output stream stdout . I want to be able to execute non blocking reads on its stdout... I want to be able to execute non blocking reads on its stdout. Is there a way to make .readline non blocking or to check if..
Converting string into datetime http://stackoverflow.com/questions/466345/converting-string-into-datetime django datetime share improve this question Check out strptime in the time module. It is the inverse of strftime ...
Static class variables in Python http://stackoverflow.com/questions/68645/static-class-variables-in-python class MyClass ... i 3 ... MyClass.i 3 As @Daniel points out this creates a class level i variable but this is distinct from..
How can I make a chain of function decorators in Python? http://stackoverflow.com/questions/739654/how-can-i-make-a-chain-of-function-decorators-in-python python decorator share improve this question Check out the documentation to see how decorators work. Here is what you..
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python a flat list out of list of lists in Python duplicate Possible Duplicates Flattening.. I wonder whether there is a shortcut to make a simple list out of list of lists in Python. I can do that in a for loop but.. few new ones added at the end . So for simplicity and without actual loss of generality say you have L sublists of I items..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference by reference The Python documentation seems unclear about whether parameters are passed by reference or value and the.. delight but if you rebind the reference in the method the outer scope will know nothing about it and after you're done the.. in the method the outer scope will know nothing about it and after you're done the outer reference will still point..
What is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python with object children bar 'bip' print hasattr Foo 'bar' # Out False print hasattr Foo 'BAR' # Out True f Foo print f.BAR #.. hasattr Foo 'bar' # Out False print hasattr Foo 'BAR' # Out True f Foo print f.BAR # Out 'bip' Now let's do exactly the.. print hasattr Foo 'BAR' # Out True f Foo print f.BAR # Out 'bip' Now let's do exactly the same but using a real class for..
Beautiful Soup cannot find a CSS class if the object has other classes, too http://stackoverflow.com/questions/1242755/beautiful-soup-cannot-find-a-css-class-if-the-object-has-other-classes-too ' div class foo bar div ' In 3 soup attrs 'class' 'bar' Out 3 div class foo bar div Also you don't have to type findAll..
Python initializing a list of lists [duplicate] http://stackoverflow.com/questions/12791501/python-initializing-a-list-of-lists # appending a new list In 20 x 4 In 21 id i for i in x Out 21 164363948 164363948 164363948 164363948 # same id 's for.. same object In 22 x for i in range 4 In 23 id i for i in x Out 23 164382060 164364140 164363628 164381292 #different id i.e..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions arr_3D arr_3D arr_3D 1 loops best of 3 694 ms per loop Outer product np.all np.outer arr_1D arr_1D np.einsum 'i k ik' arr_1D.. the following In 1 x 255 np.ones 100 dtype np.uint8 In 2 x Out 2 array 255 255 255 255 255 255 255 255 255 255 255 255 255.. 255 dtype uint8 Note that the sum is correct In 3 x.sum Out 3 25500 While einsum will give the wrong result In 4 np.einsum..
In Python, how do I determine if an object is iterable? http://stackoverflow.com/questions/1952464/in-python-how-do-i-determine-if-an-object-is-iterable __getitem__ and __iter__ In 9 hasattr 1 2 3 4 '__iter__' Out 9 True In 11 hasattr 1 2 3 4 '__iter__' Out 11 True In 12 hasattr.. 3 4 '__iter__' Out 9 True In 11 hasattr 1 2 3 4 '__iter__' Out 11 True In 12 hasattr u hello '__iter__' Out 12 False In 14.. 4 '__iter__' Out 11 True In 12 hasattr u hello '__iter__' Out 12 False In 14 hasattr u hello '__getitem__' Out 14 True Another..
http://stackoverflow.com/questions/3238925/python-urllib-urllib2-post POST I'm trying to create a super simplistic Virtual In Out Board using wx Python. I've got the following code in place..
How can you print a variable name in python? [duplicate] http://stackoverflow.com/questions/592746/how-can-you-print-a-variable-name-in-python the variable Something equivalent to In 53 namestr choice Out 53 'choice' for use in making a dictionary. There's a good way..
http://stackoverflow.com/questions/9001509/python-dictionary-sort-by-key 3 0 In 3 od collections.OrderedDict sorted d.items In 4 od Out 4 OrderedDict 1 89 2 3 3 0 4 5 Never mind the way od is printed.. way od is printed out it'll work as expected In 11 od 1 Out 11 89 In 12 od 3 Out 12 0 In 13 for k v in od.iteritems print.. out it'll work as expected In 11 od 1 Out 11 89 In 12 od 3 Out 12 0 In 13 for k v in od.iteritems print k v .... 1 89 2 3 3..
What Python GUI APIs Are Out There? [closed] http://stackoverflow.com/questions/93930/what-python-gui-apis-are-out-there Python GUI APIs Are Out There closed Simple question What Python GUI API's are out..
Numpy: Should I use newaxis or None? http://stackoverflow.com/questions/944863/numpy-should-i-use-newaxis-or-none for None . In 1 import numpy In 2 numpy.newaxis is None Out 2 True The authors probably chose it because they needed a convenient..
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