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How to suppress “unused parameter” warnings in C?

... I usually write a macro like this: #define UNUSED(x) (void)(x) You can use this macro for all your unused parameters. (Note that this works on any compiler.) For example: void f(int x) { UNUSED(x); ... } ...
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Is it possible to move/rename files in Git and maintain their history?

...answer, indicates that it's an intentional design choice of Git since it's allegedly much more powerful than tracking renames etc. – Emil Lundberg Sep 6 '13 at 14:58 132 ...
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Is the list of Python reserved words and builtins available in a library?

...break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 'raise', 'return', 'try', 'while', 'with', 'yield'] If you want to include built-in names as well (Python 3), then c...
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Get event listeners attached to node using addEventListener

... You can't. The only way to get a list of all event listeners attached to a node is to intercept the listener attachment call. DOM4 addEventListener Says Append an event listener to the associated list of event listeners with type set to type, listener set to ...
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How can I plot with 2 different y-axes?

...yback machine Two different y axes on the same plot (some material originally by Daniel Rajdl 2006/03/31 15:26) Please note that there are very few situations where it is appropriate to use two different scales on the same plot. It is very easy to mislead the viewer of the graphic. Check the foll...
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How to reliably open a file in the same directory as a Python script

...th( os.path.join(os.getcwd(), os.path.dirname(__file__))) The join() call prepends the current working directory, but the documentation says that if some path is absolute, all other paths left of it are dropped. Therefore, getcwd() is dropped when dirname(__file__) returns an absolute path. Als...
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if A vs if A is not None:

... The statement if A: will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary: object.__nonzero__(self) Called to implement truth value testing and the built-in operation ...
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What is the difference between class and instance attributes?

...just look in each instance's __dict__ and the class's __dict__. It just usually doesn't matter very much whether immutable types are shared or not. – abarnert Oct 29 '14 at 22:58 1...
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Why are Python's 'private' methods not actually private?

... The name scrambling is used to ensure that subclasses don't accidentally override the private methods and attributes of their superclasses. It's not designed to prevent deliberate access from outside. For example: >>> class Foo(object): ... def __init__(self): ... self....
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How do I run all Python unit tests in a directory?

...it test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there ...