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How does this giant regex work?
...2\x61\x73\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28
is acutally:
eval(gzinflate(base64_decode(
This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine.
<?php
print gzinflate(base6...
What does auto&& tell us?
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By using auto&& var = <initializer> you are saying: I will accept any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usually with T&&). The reason ...
Convert timestamp to readable date/time PHP
...red Mar 6 '11 at 21:31
Rocket HazmatRocket Hazmat
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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...年份（范围从 00 到 99）
%Y - 包括世纪数的十进制年份
%Z - 时区名或缩写
%% - 文字上的 `%' 字符。
而在smarty模板中，如$time是php文件中assign过来的时间戳，在模板文件中写法为：
<{$time|date_format:'%Y-%m-%d %H:%M:%S'}> ，同样对应的...
Opposite of %in%: exclude rows with values specified in a vector
...V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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Why use prefixes on member variables in C++ classes
...nJuan
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How do you decompile a swf file [closed]
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answered Oct 19 '10 at 10:21
Ohad SchneiderOhad Schneider
31.7k1010 ...
Haskell Type vs Data Constructor
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declension
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answered Aug 13 '13 at 9:49
kqrkqr
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
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/^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi;
You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and you ge...