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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 ...
Should struct definitions go in .h or .c file?
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I think I agree with this answer more. It's not about using the struct through any other .c files or not, it's whether the struct should be ...
What's the difference between hard and soft floating point numbers?
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nmichaelsnmichaels
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When to use std::forward to forward arguments?
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124
Use it like your first example:
template <typename T> void f(T && x)
{
g(std::f...
Static fields on a null reference in Java
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edited Jul 24 '14 at 3:05
Tiny
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
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edited Sep 3 '14 at 16:42
answered Oct 2 '10 at 15:32
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CMake output/build directory
...proud of SO
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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answered Apr 8 '10 at 19:34
e.Jamese.James
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Combining two Series into a DataFrame in pandas
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435
I think concat is a nice way to do this. If they are present it uses the name attributes of th...