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python Programming Glossary: won'tWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python all classes in the module class Foo # global __metaclass__ won't work with object though # but we can define __metaclass__ here.. advanced use involves overriding __call__ as well but we won't # see this def __new__ upperattr_metaclass future_class_name.. do this guy Person name 'bob' age '35' print guy.age It won't return an IntegerField object. It will return an int and can..
Finding local IP addresses using Python's stdlib http://stackoverflow.com/questions/166506/finding-local-ip-addresses-using-pythons-stdlib import socket socket.gethostbyname socket.gethostname This won't work always returns 127.0.0.1 on machines having the hostname..
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 exclude This is faster than s.replace with each char but won't perform as well as non pure python approaches such as regexes..
Is False == 0 and True == 1 in Python an implementation detail or is it guaranteed by the language? http://stackoverflow.com/questions/2764017/is-false-0-and-true-1-in-python-an-implementation-detail-or-is-it-guarante 1 . This question is relevant for writing robust code that won't fail because of implementation details python boolean share..
Can I run a Python script as a service (in Windows)? How? http://stackoverflow.com/questions/32404/can-i-run-a-python-script-as-a-service-in-windows-how service i. e. run it automatically without user login I won't necessarily have to implement this part but I need a rough idea..
In a django form, How to make a field readonly (or disabled) so that it cannot be edited? http://stackoverflow.com/questions/324477/in-a-django-form-how-to-make-a-field-readonly-or-disabled-so-that-it-cannot-b The clean_sku function will ensure that the readonly value won't be overridden by a POST . Otherwise there is no built in Django..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat has a zillion assumptions built into it most of which you won't discover until you try to wrestle it into doing something else...
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python share improve this question fcntl select asyncproc won't help in this case. Reliable way to read a stream without blocking..
Python: single instance of program http://stackoverflow.com/questions/380870/python-single-instance-of-program to fail sometimes i.e. segfault so things like lock file won't work Update the solutions offered are much more complex and..
http://stackoverflow.com/questions/4015417/python-class-inherits-object different object model to classic objects and some things won't work properly with old style objects for instance super @property..
Generator Expressions vs. List Comprehension http://stackoverflow.com/questions/47789/generator-expressions-vs-list-comprehension any of the list methods. For example the following code won't work def gen return something for something in get_some_stuff..
Javascript equivalent of Python's zip function http://stackoverflow.com/questions/4856717/javascript-equivalent-of-pythons-zip-function However if you write zip in the following way even that won't be necessary function zip arrays return Array.apply null Array..
Regular expression to detect semi-colon terminated C++ for & while loops http://stackoverflow.com/questions/524548/regular-expression-to-detect-semi-colon-terminated-c-for-while-loops thus the P balanced part doesn't work any more since it won't match due to the fact that the text inside the parenthesis is..
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 can still use Xcode for Python programming but you still won't be able to develop in languages that require compiling . Instead..
Creating a singleton in python http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python singleton class definitions in other ways. Your singletons won't need multiple inheritance because the metaclass is not a base.. The instance dict is not in the instance's namespace so it won't accidentally overwrite it. You will also hear that the singleton..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields SQL to modify tables on the fly. Partly because this won't scale and partly because it's too much of a hack. Schema less..
http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam in your particular inheritance hierarchy. This solution won't work if you aren't able to modify the parent model. In that..
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