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Argparse: Required argument 'y' if 'x' is present
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Reading/writing an INI file
...ending up being strange behemoths with a lot of magic in them. They have become "code in the config file," and this leads to a lot of complexity, strange behaviors, and makes configuration management more difficult. (I'm looking at you, database "providers" and connection strings.) So INI files are ...
In Unix, can I run 'make' in a directory without cd'ing to that directory first?
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101
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How to get std::vector pointer to the raw data?
....begin() gives you the address of the iterator returned by begin() (as the compiler warns, this is not technically allowed because something.begin() is an rvalue expression, so its address cannot be taken).
Assuming the container has at least one element in it, you need to get the address of the in...
Return number of rows affected by UPDATE statements
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C++ where to initialize static const
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Anywhere in one compilation unit (usually a .cpp file) would do:
foo.h
class foo {
static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral typ...
Is it bad practice to have a constructor function return a Promise?
...rom the method, to easily wait until it is finished.
I would however not recommend this pattern when the method (asynchronously) mutates the instance and other methods depend on that, as that would lead to them being required to wait (become async even if they're actually synchronous) and you'd quic...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
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Position an element relative to its container
... This page shows nice illustrations of this phenomenon: css-tricks.com/absolute-positioning-inside-relative-positioning
– DarenW
Apr 15 '11 at 6:18
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Show Youtube video source into HTML5 video tag?
... data-youtube-id="N9oxmRT2YWw"
src="http://v20.lscache8.c.youtube.com/videoplayback?sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Cratebypass%2Coc%3AU0hPRVRMVV9FSkNOOV9MRllD&itag=43&ipbits=0&signature=D2BCBE2F115E68C5FF97673F1D797F3C3E3BFB99.59252109C7D2B995A8D51A461FF9A...