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What does a type followed by _t (underscore-t) represent?

... As Douglas Mayle noted, it basically denotes a type name. Consequently, you would be ill-advised to end variable or function names with '_t' since it could cause some confusion. As well as size_t, the C89 standard defines wchar_t, off_t, ptrdiff_t, and p...
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Can I use __init__.py to define global variables?

I want to define a constant that should be available in all of the submodules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access th...
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Pass data to layout that are common to all pages

...website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties. ...
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How can you make a custom keyboard in Android?

... First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it). <?xml version="1.0" encoding="utf-8"?> <Keyboard xmlns:android="http://schemas.android.com...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

...a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do container built-ins, li...
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Make a div fill up the remaining width

...div> <div id="middle-div"> middle div<br />bit taller </div> </div> divs will naturally take up 100% width of their container, there is no need to explicitly set this width. By adding a left/right margin the same as the two side divs, it's own contents is...
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How does JavaScript .prototype work?

...ing languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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Using os.walk() to recursively traverse directories in Python

I want to navigate from the root directory to all other directories within and print the same. 13 Answers ...
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How can I tell gcc not to inline a function?

Say I have this small function in a source file 8 Answers 8 ...
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Abstract methods in Python [duplicate]

...what a metaclass is, don't worry about it. :-) – kindall Dec 8 '10 at 0:15 1 The linked tutorial ...