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What's the need of array with zero elements?

... This is a way to have variable sizes of data, without having to call malloc (kmalloc in this case) twice. You would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was s...
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Types in MySQL: BigInt(20) vs Int(20)

...gInt , MediumInt , and Int are... it would seem obvious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size. ...
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Decorators with parameters?

...tion that will take a function and return another function. So it should really return a normal decorator. A bit confusing, right? What I mean is: def decorator_factory(argument): def decorator(function): def wrapper(*args, **kwargs): funny_stuff() something_with...
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Equivalent C++ to Python generator pattern

...to signal termination In your trivial example, it's easy enough. Conceptually: struct State { unsigned i, j; }; State make(); void next(State&); bool isDone(State const&); Of course, we wrap this as a proper class: class PairSequence: // (implicit aliases) public std::iterat...
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Check if an array contains any element of another array in JavaScript

...like it at Ramda should always be used instead of vanilla imho. Better for all devs... – Leon Gaban Aug 15 '16 at 20:32 add a comment  |  ...
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How can I rotate an HTML 90 degrees?

... Just as a suggestion to all future readers: always place the prefixed rules before the standards definition. In this case, all browser-prefixed rules should be before the transform: rotate(90deg); rule. The reason would be that typically, you want t...
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How do I parallelize a simple Python loop?

This is probably a trivial question, but how do I parallelize the following loop in python? 13 Answers ...
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Mail multipart/alternative vs multipart/mixed

... I hit this challenge today and I found these answers useful but not quite explicit enough for me. Edit: Just found the Apache Commons Email that wraps this up nicely, meaning you don't need to know below. If your requirement is an emai...
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How to specify different Debug/Release output directories in QMake .pro file

...ke things even easier to switch around, only define your DESTDIRs conditionally, and then use that value in all your other paths: OBJECTS_DIR = $${DESTDIR}/.obj. Cheers! – Xavier Holt Mar 7 '12 at 4:16 ...
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What is the difference between sigaction and signal?

...ion() avoids - unless you use the flags explicitly added to sigaction() to allow it to faithfully simulate the old signal() behaviour. The signal() function does not (necessarily) block other signals from arriving while the current handler is executing; sigaction() can block other signals until the...