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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...正则表达式就是记录文本规则的代码。
很可能你使用过Windows/Dos下用于文件查找的通配符(wildcard)，也就是*和?。如果你想查找某个目录下的所有的Word文档的话，你会搜索*.doc。在这里，*会被解释成任意的字符串。和通配符类似...
Memcached vs. Redis? [closed]
...ata, but only one is capable of reclaiming it.
Disk I/O dumping: A clear win for redis since it does this by default and has very configurable persistence. Memcached has no mechanisms for dumping to disk without 3rd party tools.
Scaling: Both give you tons of headroom before you need more than a s...
How to determine CPU and memory consumption from inside a process?
I once had the task of determining the following performance parameters from inside a running application:
9 Answers
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How would Git handle a SHA-1 collision on a blob?
...ally just reduced the hash size from 160-bit to 4-bit by applying the following diff and rebuilding git:
--- git-2.7.0~rc0+next.20151210.orig/block-sha1/sha1.c
+++ git-2.7.0~rc0+next.20151210/block-sha1/sha1.c
@@ -246,6 +246,8 @@ void blk_SHA1_Final(unsigned char hashou
blk_SHA1_Update(ctx, pad...
The case against checked exceptions
... number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
...
How to implement classic sorting algorithms in modern C++?
...draft Effective Modern C++ and Herb Sutter's revamped GotW. I use the following style recommendations:
Herb Sutter's "Almost Always Auto" and Scott Meyers's "Prefer auto to specific type declarations" recommendation, for which the brevity is unsurpassed, although its clarity is sometimes disputed....
What optimizations can GHC be expected to perform reliably?
...y the same, not the same by value. For example, CSE won't fire in the following code without a bunch of inlining:
x = (1 + (2 + 3)) + ((1 + 2) + 3)
y = f x
z = g (f x) y
However, if you compile via llvm, you may get some of this combined, due to its Global Value Numbering pass.
Liberate case
Thi...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...ications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
...lumn 2435)Technical Data to be Submitted:
notes = Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36
foundIn = v185a-1611-g41ebba11a-dirty
faultData = com.google.gwt.core.client.JavaScriptException: (TypeError) : Cannot read ...
How can I specify the base for Math.log() in JavaScript?
I need a log function for JavaScript, but it needs to be base 10. I can't see any listing for this, so I'm assuming it's not possible. Are there any math wizards out there who know a solution for this?
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