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What does extern inline do?

...e, static inline, and extern inline constructs; most pre-C99 compiler generally follow its lead. GNU89: inline: the function may be inlined (it's just a hint though). An out-of-line version is always emitted and externally visible. Hence you can only have such an inline defined in one compilatio...
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Project structure for Google App Engine

.... However, as it has grown, and features have been added, it has gotten really difficult to keep things organized - mainly due to the fact that this is my first python project, and I didn't know anything about it until I started working. ...
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#define macro for debug printing in C?

.... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use of the code ensures that the compiler always checks that your debug code is valid — but the optimizer will remove the code when DEBUG is 0. If you want to work with #ifdef DEBUG, then change th...
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Is there a difference between “==” and “is”?

... a True In your case, the second test only works because Python caches small integer objects, which is an implementation detail. For larger integers, this does not work: >>> 1000 is 10**3 False >>> 1000 == 10**3 True The same holds true for string literals: >>> "a" i...
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Adding Core Data to existing iPhone project

... All the CoreData header files are imported in App_Prefix.pch, so the CoreData classes will be available throughout your Project, so you don't have to manually import the header in the files you need them. So open up Xcode an...
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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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How to force link from iframe to be opened in the parent window

...of the page in the iframe: <base target="_parent"> This will load all links on the page in the parent window. If you want your links to load in a new window, use: <base target="_blank"> This tag is fully supported in all browsers. ...
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Best practice for Python assert

... To be able to automatically throw an error when x become less than zero throughout the function. You can use class descriptors. Here is an example: class LessThanZeroException(Exception): pass class variable(object): def __init__(self, va...
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How do I get bash completion to work with aliases?

...d also add __git_complete g __git_main to get code completition working on all git commands. – Ondrej Machulda Apr 15 '13 at 12:03 ...
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What it the significance of the Javascript constructor property?

...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation. Original answer The constructor property makes absolutely no pra...