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How to count the number of set bits in a 32-bit integer?
...33333) + ((i >> 2) & 0x33333333);
return (((i + (i >> 4)) & 0x0F0F0F0F) * 0x01010101) >> 24;
}
For JavaScript: coerce to integer with |0 for performance: change the first line to i = (i|0) - ((i >> 1) & 0x55555555);
This has the best worst-case behaviour of ...
How to get datetime in JavaScript?
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answered Apr 30 '14 at 17:34
Andrew MaoAndrew Mao
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Finding differences between elements of a list
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SilentGhostSilentGhost
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Oracle Differences between NVL and Coalesce
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answered Jun 4 '09 at 12:03
QuassnoiQuassnoi
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Can we write our own iterator in Java?
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48
Sure. An iterator is just an implementation of the java.util.Iterator interface. If you're usin...
Does Java 8 provide a good way to repeat a value or function?
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edited Aug 30 '13 at 12:43
answered Aug 30 '13 at 12:08
a...
Remove padding or margins from Google Charts
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248
By adding and tuning some configuration options listed in the API documentation, you can create...
javascript scroll event for iPhone/iPad?
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147
The iPhoneOS does capture onscroll events, except not the way you may expect.
One-finger pa...
Getting name of the class from an instance
...g the need.
– Gleno
Aug 3 '13 at 18:41
2
Remember to #import <objc/objc-runtime.h> to able ...
Find first element by predicate
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741
No, filter does not scan the whole stream. It's an intermediate operation, which returns a lazy...