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What is the best regular expression to check if a string is a valid URL?
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I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9...
Efficiently replace all accented characters in a string?
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I did not mean to say my implementation was inefficient. It's close to the most efficient way of doing it that I can think of. But I can't think of everything, so I hoped there was some really clever way of string manipulation that I was unaware o...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...ve assembly code. I could not measure any performance difference
* on my core2 processor. This also makes the code more portable.
* - Moved defines/typedefs from tlsf.h to tlsf.c
* - Changed MIN_BLOCK_SIZE to sizeof (free_ptr_t) and BHDR_OVERHEAD to
* (sizeof (bhdr_t) - MIN_BLOCK_SIZE)...
Regular expression to match non-ASCII characters?
...nswered Sep 29 '08 at 18:45
Jeremy RutenJeremy Ruten
150k3535 gold badges167167 silver badges187187 bronze badges
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Is CSS Turing complete?
CSS isn't, insofar as I know, Turing complete. But my knowledge of CSS is very limited.
7 Answers
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What is a NullReferenceException, and how do I fix it?
...c partial class Issues_Edit : System.Web.UI.Page
{
protected TestIssue myIssue;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
// Only called on first load, not when button clicked
myIssue = new TestIssue();
}...
Remove accents/diacritics in a string in JavaScript
...texte formaté !";
alert(removeDiacritics(paragraph));
To test my theory I wrote a test in http://jsperf.com/diacritics/12. Results:
Testing in Chrome 28.0.1500.95 32-bit on Windows 8 64-bit:
Using Regexp
4,558 ops/sec ±4.16%. 37% slower
String Builder style
7,308 ops/sec ±4.88%. fast...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1)
GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com, 2015-06-24 13:47:15
m:res cs ro ds p mounted fstype
0:r0 Connected Secondary/Secondary Inconsistent/Inconsistent C
cs：表示连接状态
ro: 表示主从关系 上面的表示都为从
d...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
... }
// This number is perf sensitive. 4k seems like a good tradeoff on my machine.
// The test file is large, 170k.
// Release: VS2010 gcc(no opt)
// 1k: 4000
// 2k: 4000
// 4k: 3900 21000
// 16k: 5200
// 32k: 4300
// 64k: 4000 21000
enum { COUNT = (4*1024)/SIZE };...