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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 ...
C++, What does the colon after a constructor mean? [duplicate]
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SmasherySmashery
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Possible to do a MySQL foreign key to one of two possible tables?
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Bill KarwinBill Karwin
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Default argument values in JavaScript functions [duplicate]
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Ravan ScafiRavan Scafi
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Why is XOR the default way to combine hashes?
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edited May 4 '11 at 20:13
answered May 4 '11 at 20:09
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Read whole ASCII file into C++ std::string [duplicate]
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540
Update: Turns out that this method, while following STL idioms well, is actually surprisingly i...
What are the benefits to marking a field as `readonly` in C#?
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14 Answers
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Remove characters from C# string
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answered Sep 14 '11 at 5:03
Albin SunnanboAlbin Sunnanbo
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When should the volatile keyword be used in C#?
...ering. If you want more details,
read sections 3.10 and 10.5.3 of the C# 4.0 specification.
Frankly, I discourage you from ever making a volatile field. Volatile
fields are a sign that you are doing something downright crazy: you're
attempting to read and write the same value on two diffe...
How can I get WebStorm to recognize Jasmine methods?
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edited Aug 14 '18 at 0:33
Samuel Neff
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