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When to use inline function and when not to use it?
...tions are good candidates for inline: faster code and smaller executables (more chances to stay in the code cache)
the function is small and called very often
don't:
large functions: leads to larger executables, which significantly impairs performance regardless of the faster execution that resu...
What's the difference between an exclusive lock and a shared lock?
...cher waits for them to finish reading before she clears the board to write more => If one or more shared locks already exist, exclusive locks cannot be obtained.
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Handler vs AsyncTask vs Thread [closed]
...ding issues, you should first check out ReactiveX/RxAndroid for a possibly more appropriate programming pattern. A very good resource for getting an overview is Learning RxJava 2 for Android by example.
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
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$_REQUEST is supposedly (or at least used to be) more expensive than using $_POST and $_GET directly.
– Darrell Brogdon
Dec 17 '09 at 22:47
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How to initialize std::vector from C-style array?
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jQuery: Get selected element tag name
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What does a colon following a C++ constructor name do? [duplicate]
...h happens to be empty in your example) is executed. Inside it you could do more assignments, but once you have entered it all the fields have already been initialized - either to random, unspecified values, or to the ones you chose in your initialization list. This means the assignments you do in th...
Easy way to prevent Heroku idling?
...ll ping your site twice per minute, thus preventing the dyno from idling.
More or less the same solution as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in my answer is "...
Pointers vs. values in parameters and return values
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One case where you should often use a pointer:
Receivers are pointers more often than other arguments. It's not unusual for methods to modify the thing they're called on, or for named types to be large structs, so the guidance is to default to pointers except in rare cases.
Jeff Hodges' copyfi...
PHP substring extraction. Get the string before the first '/' or the whole string
...using the limit parameter to explode so that php won't scan the string any more than what's needed.
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