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What is a None value?

...n't write the sticker "F", there was already an F sticker on the None, and all you did was move it, from None to "fork". So when you type F = None, you're "reset[ting] it to its original, empty state", if we decided to treat None as meaning empty state. I can see what he's getting at, but that's a...
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C++0x has no semaphores? How to synchronize threads?

...ck Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread: ...
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PHP function overloading

...um_args() and func_get_arg() to get the arguments passed, and use them normally. For example: function myFunc() { for ($i = 0; $i < func_num_args(); $i++) { printf("Argument %d: %s\n", $i, func_get_arg($i)); } } /* Argument 0: a Argument 1: 2 Argument 2: 3.5 */ myFunc('a', 2, 3...
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How to remove illegal characters from path and filenames?

...gal path into a legitimate but probably unintended one. Edit: Or a potentially 'better' solution, using Regex's. string illegal = "\"M\"\\a/ry/ h**ad:>> a\\/:*?\"| li*tt|le|| la\"mb.?"; string regexSearch = new string(Path.GetInvalidFileNameChars()) + new string(Path.GetInvalidPathChars()); ...
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Scala: List[Future] to Future[List] disregarding failed futures

...ures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) but there's a twist... The list I'm given usually has around 10-...
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What are the differences between Chosen and Select2?

...o be loaded as option tags in the DOM, which limits it to working with small-ish datasets. Select2 uses a function to find results on-the-fly, which allows it to partially load results. Paging of results: Since Select2 works with large datasets and only loads a small amount of matching results...
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How does __proto__ differ from constructor.prototype?

... I've been trying to wrap my head around this recently and finally came up with this "map" that I think sheds full light over the matter http://i.stack.imgur.com/KFzI3.png I know I'm not the first one making this up but it was more interesting figuring it out that finding it :-). An...
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How do I daemonize an arbitrary script in unix?

... & operator: nohup yourScript.sh script args& The nohup command allows you to shut down your shell session without it killing your script, while the & places your script in the background so you get a shell prompt to continue your session. The only minor problem with this is standard ...
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Passing variable number of arguments around

...I have a C function which takes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got into the first function? ...
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Multi-line string with extra space (preserved indentation)

...sh documentation it doesn't seem to say anything one way or the other, but all the examples have it on its own line. – Andrew Miner Jan 18 '17 at 16:08 ...