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GCC dump preprocessor defines

...nstead of the normal output, generate a list of `#define' directives for all the macros defined during the execution of the preprocessor, including predefined macros. This gives you a way of finding out what is predefined in your version of the preprocessor. Assuming you have no file...
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What is “android.R.layout.simple_list_item_1”?

...id/platform_frameworks_base/tree/master/core/res/res/layout ) You can actually view the code for the layouts. share | improve this answer | follow | ...
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How to import the class within the same directory or sub directory?

I have a directory that stores all the .py files. 13 Answers 13 ...
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What is a “callable”?

...t's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means. ...
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Python unittest - opposite of assertRaises?

...the correct solution in fact. The solution proposed by user9876 is conceptually flawed: if you test for the non-raising of say ValueError, but ValueError is instead raised, your test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise ...
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foreach vs someList.ForEach(){}

... The most common one is described in the comments to this question. Generally, if you are looking to remove multiple items from a list, you would want to separate the determination of which items to remove from the actual removal. It doesn't keep your code compact, but it guarantees that you do n...
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How to check BLAS/LAPACK linkage in NumPy and SciPy?

... Given its widespread usefulness, numpy.__config__ should really be a public API. Nonetheless, you win this round, davost. – Cecil Curry Feb 5 '16 at 5:51 2 ...
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What does functools.wraps do?

... def with_logging(*args, **kwargs): print(func.__name__ + " was called") return func(*args, **kwargs) return with_logging then when you say @logged def f(x): """does some math""" return x + x * x it's exactly the same as saying def f(x): """does some math""" ...
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How to make inline functions in C#

...=> x + y; void print(int x) { Console.WriteLine(x); } There are basically two different types for these: Func and Action. Funcs return values but Actions don't. The last type parameter of a Func is the return type; all the others are the parameter types. There are similar types with different...
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Programmatically Request Access to Contacts

...ss to the address book must be granted before it can be access programmatically. Here is what I ended up doing. #import <AddressBookUI/AddressBookUI.h> // Request authorization to Address Book ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL); if (ABAddress...