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Fast way of counting non-zero bits in positive integer
...dapting Óscar's and Adam's solutions to process the integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).coun...
How much is the overhead of smart pointers compared to normal pointers in C++?
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edited Mar 19 '17 at 11:32
answered Mar 10 '14 at 9:17
li...
Creating anonymous objects in php
...edited Nov 16 '19 at 18:08
miken32
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answered Mar 29 '15 at 14:09
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How Do I Hide wpf datagrid row selector
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32
user556009's answer is the correct answer for this. I.e. set HeadersVisibility="Column"
– Sameera
Ja...
Visual Studio replace tab with 4 spaces?
...d Copsey
509k6868 gold badges10671067 silver badges13231323 bronze badges
16
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Exporting functions from a DLL with dllexport
...form you can define LIBRARY_API as nothing when not on Windows:
#ifdef _WIN32
# ifdef LIBRARY_EXPORTS
# define LIBRARY_API __declspec(dllexport)
# else
# define LIBRARY_API __declspec(dllimport)
# endif
#elif
# define LIBRARY_API
#endif
When using dllexport/dllimport you d...
BCL (Base Class Library) vs FCL (Framework Class Library)
...her.
– iliketocode
Aug 20 '16 at 22:32
add a comment
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Turn off Chrome/Safari spell checking by HTML/css
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Camilo MartinCamilo Martin
32.7k1818 gold badges103103 silver badges148148 bronze badges
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Override ActiveRecord attribute methods
...wever.
– heartpunk
Apr 21 '11 at 17:32
2
In rails 3, the reader method specified here by Aaron wo...
In Jinja2, how do you test if a variable is undefined?
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32
{% if variable is defined %} is true if the variable is None.
Since not is None is not allowe...