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How to explain callbacks in plain english? How are they different from calling one function from ano
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How to explain callbacks in plain English?
In plain English, a callback function is like ...
How to build & install GLFW 3 and use it in a Linux project
...W 3 on your system with CMAKE
For this install, I was using KUbuntu 13.04, 64bit.
The first step is to download the latest version (assuming versions in the future work in a similar way) from www.glfw.org, probably using this link.
The next step is to extract the archive, and open a terminal. cd int...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided to...
What's the difference between a file descriptor and file pointer?
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unwindunwind
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Mac SQLite editor [closed]
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You may like SQLPro for SQLite (previously SQLite Professional - App Store).
The app has a few...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc?
– Thomas
Dec 14 '14 at 16:11
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Twitter image encoding challenge [closed]
...stead, I store a heavily quantized color (the palette has only 4 * 4 * 4 = 64 colors) that simply gets blended in in some proportion. Mathematically, this is equivalent to a variable brightness and constant contrast adjustment for each color. Unfortunately, it also means there's no negative contra...
How do I enable file editing in Visual Studio's debug mode?
...e ENC by default and it must be explicitly enabled
You may be running on a 64 bit OS and have your .Net app set to "Any CPU". ENC is not available on 64 bit (CLR limitation). You'll have to set the app back to x86 for ENC to work
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IPC performance: Named Pipe vs Socket
...lts are get with IPC benchmarking:
System: Linux (Linux ubuntu 4.4.0 x86_64 i7-6700K 4.00GHz)
Message: 128 bytes
Messages count: 1000000
Pipe benchmark:
Message size: 128
Message count: 1000000
Total duration: 27367.454 ms
Average duration: 27.319 us
Minimum duration: 5.888 ...
Integer division with remainder in JavaScript?
... // -33, 0.5078 millisec
(a-(a%b))/b // -33, 0.6649 millisec
The above is based on 10 million trials for each.
Conclusion: Use (a/b>>0) (or (~~(a/b)) or (a/b|0)) to achieve about 20% gain in efficiency. Also keep in mind that they are all inconsistent with Math.fl...