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How expensive is RTTI?
...runtime memory usage.
A quick experiment (using GCC 4.4.3 on Ubuntu 10.04 64-bit) shows that -fno-rtti actually increases the binary size of a simple test program by a few hundred bytes. This happens consistently across combinations of -g and -O3. I'm not sure why the size would increase; one possi...
Case-insensitive search in Rails model
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Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Feb 8 '10 at 9:35
alex.zherdev...
How to center a checkbox in a table cell?
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Andrew MarshallAndrew Marshall
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...
How to get an absolute file path in Python
...elaborate?
– jpmc26
Jan 8 '15 at 22:46
2
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Command to get nth line of STDOUT
... with them.
– camh
Sep 15 '09 at 23:46
@camh: See Jonathan Leffer's answer about that: "may generate a SIGPIPE in the ...
How can I recover the return value of a function passed to multiprocessing.Process?
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46
I would recommend using a multiprocessing.Queue, rather than a Manager here. Using a Manager requires spawning an entirely new process, whi...
How do I get the directory that a program is running from?
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see boost.org/doc/libs/1_46_1/libs/filesystem/v3/doc/… for boost 1.46.1
– moala
Apr 22 '11 at 15:43
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What's the best way to set a single pixel in an HTML5 canvas?
...tting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you care about for maximum speed. As of July 2017, fillRect() is 5-6× faster on Firefox v54 and Chrome v59 (Win7x64).
Other, sillier alternatives are:
using getImageData()/putIm...
How to calculate date difference in JavaScript?
...' not '22'
– S.aad
May 26 '17 at 11:46
1
@IgorKudryashov—sorry, I'm just not getting it. 2000 i...
Best way to test SQL queries [closed]
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Jon LimjapJon Limjap
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a...