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python Programming Glossary: willWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python object __metaclass__ something... ... If you do so Python will use the metaclass to create the class Foo . Careful it's tricky... the class object Foo is not created in memory yet. Python will look for __metaclass__ in the class definition. If it finds.. __metaclass__ in the class definition. If it finds it it will use it to create the object class Foo . If it doesn't it will..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained is a keyword that is used like return except the function will return a generator. def createGenerator ... mylist range 3 ..... useless example but it's handy when you know your function will return a huge set of values that you will only need to read.. your function will return a huge set of values that you will only need to read once. To master yield you must understand..
Is there an easy way to pickle a python function (or otherwise serialize its code)? http://stackoverflow.com/questions/1253528/is-there-an-easy-way-to-pickle-a-python-function-or-otherwise-serialize-its-cod may not be compatable between major python versions. Will only work for cpython implementation. If the function references..
Using the Python NLTK (2.0b5) on the Google App Engine http://stackoverflow.com/questions/1286301/using-the-python-nltk-2-0b5-on-the-google-app-engine So in summary Is what I am trying to do even possible Will NLTK even run on the App Engine Is there something I missed..
What limitations have closures in Python compared to language X closures? http://stackoverflow.com/questions/141642/what-limitations-have-closures-in-python-compared-to-language-x-closures are read only def outer x ... def inner_reads ... # Will return outer's 'x'. ... return x ... def inner_writes y ..... outer's 'x'. ... return x ... def inner_writes y ... # Will assign to a local 'x' not the outer 'x' ... x y ... def inner_error.. 'x' not the outer 'x' ... x y ... def inner_error y ... # Will produce an error 'x' is local because of the assignment .....
SendKeys for Python 3.1 on Windows http://stackoverflow.com/questions/1823762/sendkeys-for-python-3-1-on-windows with a class and am using it in a working tkinter app. Will put it here when i get time to clean it up. Have added this..
http://stackoverflow.com/questions/247770/retrieving-python-module-path this question import a_module print a_module.__file__ Will actually give you the path to the .pyc file that was loaded..
How to sort alpha numeric set in python http://stackoverflow.com/questions/2669059/how-to-sort-alpha-numeric-set-in-python cmp parameter to sorted which doesn't exist in Python 3 Will sort on the string part if the quantities are equal If you want..
Can I install python 3.x and 2.x on the same computer? http://stackoverflow.com/questions/341184/can-i-install-python-3-x-and-2-x-on-the-same-computer settings when you run a program on the command line. Will this break if I install a 2.x and 3.x version of python on the..
Does python urllib2 will automaticly uncompress gzip data from fetch webpage http://stackoverflow.com/questions/3947120/does-python-urllib2-will-automaticly-uncompress-gzip-data-from-fetch-webpage urllib2 automatically uncompress the data if it is gzipped Will the data is always a string python gzip urllib2 share improve..
http://stackoverflow.com/questions/401277/naming-python-loggers several dozen occurrences of getLogger hard.coded.name . Will this work Anyone else naming their loggers with the same unimaginative..
What are the differences between numpy arrays and matrices? Which one should I use? http://stackoverflow.com/questions/4151128/what-are-the-differences-between-numpy-arrays-and-matrices-which-one-should-i-u I bother using both or should I stick to just one of them Will the style of the program influence my choice I am doing some..
python close file descriptor question http://stackoverflow.com/questions/4599980/python-close-file-descriptor-question have a line of code buf open 'test.txt' 'r' .readlines ... Will the file descriptor automatically close or will it stay in the..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields inspired by incredible but somewhat hackish solutions by Will Hardy and Michael Hall. All of these are based on Django South.. these are based on Django South hooks which according to Will Hardy's talk at DjangoCon 2011 watch it are nevertheless robust.. with any relational database backend. But at what cost Will stability of application suffer upon heavy use These are the..
Python string 'join' is faster(?) than '+', but what's wrong here? http://stackoverflow.com/questions/1349311/python-string-join-is-faster-than-but-whats-wrong-here prettied up and put flowers in one that MATTERS one that WILL make them miserable. This goes against the grain of Python's..
http://stackoverflow.com/questions/13893287/python-time-limit code the game is over when I type last character. LOOP WILL NOT STOP UNTIL IT FINISHES AND WE DISCOVER THAT WE ARE PAST..
http://stackoverflow.com/questions/3049068/help-with-pyhook-error event if event.Alt 32 and event.KeyID 49 print 'HERE WILL BE THE CODE' hm.KeyDown OnKeyboardEvent hm.HookKeyboard pythoncom.PumpMessages.. event if event.Alt 32 and event.KeyID 49 print 'HERE WILL BE THE CODE' # return True to pass the event to other handlers..
Streaming or custom Jar in Hadoop http://stackoverflow.com/questions/6873077/streaming-or-custom-jar-in-hadoop flow language than java python or perl. Your Pig scripts WILL tend to be much smaller than an equivalent task written any..
Underscore vs Double underscore with variables and methods http://stackoverflow.com/questions/6930144/underscore-vs-double-underscore-with-variables-and-methods form. I never use it. Trust me. If you use it you WILL regret it later. Explanation People coming from a C Java background..
http://stackoverflow.com/questions/8980050/persistent-python-subprocess 'hello world n' p.stdout.readline # THIS CALL WILL BLOCK An alternative to this method for Unix is to put the file..
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