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Memory footprint of Haskell data types
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edited Jul 16 '10 at 8:11
answered Jul 15 '10 at 14:56
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How big should a UIBarButtonItem image be?
...uld translate to images 25px square for older devices like iPad 2 / Mini, 50px square for most current devices like iPhone 8 or iPad, and 75px square for Retina HD devices (the iPhone 6/7/8 Plus, or iPhone X). Asset catalogs will help immensely in keeping the different asset sizes organized (and Xco...
How to forward declare a C++ template class?
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105
This is how you would do it:
template<typename Type, typename IDType=typename Type::IDType&...
Understanding the ngRepeat 'track by' expression
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T J
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answered Mar 31 '14 at 12:28
nilsKnilsK
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How to make git-diff and git log ignore new and deleted files?
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CB BaileyCB Bailey
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how to add records to has_many :through association in rails
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edited Aug 3 '18 at 10:37
BKSpurgeon
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answer...
jQuery: keyPress Backspace won't fire?
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330
Use keyup instead of keypress. This gets all the key codes when the user presses something
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Providing a default value for an Optional in Swift?
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As of Aug 2014 Swift has coalescing operator (??) that allows that. For example, for an optional String myOptional you could write:
result = myOptional ?? "n/a"
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Writing your own STL Container
...his);}
void mfunction() {assert(self==this);}
};
int tester::livecount=0;
struct verify {
~verify() {assert(tester::livecount==0);}
}verifier;
Make containers of tester objects, and call each one's function() as you test your container. Do not make any global tester objects. If your cont...
How to delete files older than X hours
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