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What is a “callback” in C and how are they implemented?
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edited Jan 11 '13 at 3:00
answered Sep 27 '08 at 2:46
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Getting DOM elements by classname
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edited Sep 8 at 0:32
robin eriksson
5655 bronze badges
answered Jun 16 '11 at 2:07
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
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30 Answers
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Detecting iOS / Android Operating system
... "Android";
}
// iOS detection from: http://stackoverflow.com/a/9039885/177710
if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
return "iOS";
}
return "unknown";
}
share
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Looping over arrays, printing both index and value
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329
You would find the array keys with "${!foo[@]}" (reference), so:
for i in "${!foo[@]}"; do
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How to normalize a path in PowerShell?
...og) '..\frag'
This yields (given my current location):
C:\WINDOWS\system32\fred\frog\..\frag
With an absolute base, it is safe to call the .NET API GetFullPath:
[System.IO.Path]::GetFullPath((Join-Path (Join-Path (pwd) fred\frog) '..\frag'))
Which gives you the fully qualified path and with ...
What is the rationale for fread/fwrite taking size and count as arguments?
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PowerlordPowerlord
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
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answered Jun 9 '09 at 17:30
cdmckaycdmckay
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...whether today or 50 years from now.
The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even say anything about the atomicity of memory l...
程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...也可以用作解密密钥。 比如，我们给WORD文档设置密码1234, 那么其他人想要打开文档也必须输入1234才能打开。
常用加密算法:
DES（Data Encryption Standard）：数据加密标准，速度较快，适用于加密大量数据的场合。
3DES（Triple DES...