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How to create module-wide variables in Python? [duplicate]

...e a way to set up a global variable inside of a module? When I tried to do it the most obvious way as appears below, the Python interpreter said the variable __DBNAME__ did not exist. ...
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Adding a Method to an Existing Object Instance

I've read that it is possible to add a method to an existing object (i.e., not in the class definition) in Python. 16 Answ...
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Dictionary vs Object - which is more efficient and why?

... default can be overridden by defining __slots__ in a new-style class definition. The __slots__ declaration takes a sequence of instance variables and reserves just enough space in each instance to hold a value for each variable. Space is saved because __dict__ is not created for each instance. So ...
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Clang vs GCC for my Linux Development project

... EDIT: The gcc guys really improved the diagnosis experience in gcc (ah competition). They created a wiki page to showcase it here. gcc 4.8 now has quite good diagnostics as well (gcc 4.9x added color support). Clang is still i...
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What are the correct version numbers for C#?

...n history: These are the versions of C# known about at the time of this writing: C# 1.0 released with .NET 1.0 and VS2002 (January 2002) C# 1.2 (bizarrely enough); released with .NET 1.1 and VS2003 (April 2003). First version to call Dispose on IEnumerators which implemented IDisposable. A few ot...
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How to get a function name as a string?

In Python, how do I get a function name as a string, without calling the function? 12 Answers ...
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How exactly does __attribute__((constructor)) work?

It seems pretty clear that it is supposed to set things up. 5 Answers 5 ...
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What does extern inline do?

I understand that inline by itself is a suggestion to the compiler, and at its discretion it may or may not inline the function, and it will also produce linkable object code. ...
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How to implement an ordered, default dict? [duplicate]

...Dict): # Source: http://stackoverflow.com/a/6190500/562769 def __init__(self, default_factory=None, *a, **kw): if (default_factory is not None and not isinstance(default_factory, Callable)): raise TypeError('first argument must be callable') OrderedDict...
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What does the “__block” keyword mean?

What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know... ...