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Regex to test if string begins with http:// or https://
... regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
9 Ans...
How many bytes does one Unicode character take?
...ed in your browser (probably because the font doesn't support them), go to http://codepoints.net/U+1F6AA (replace 1F6AA with the codepoint in hex) to see an image.
U+0061 LATIN SMALL LETTER A: a
Nº: 97
UTF-8: 61
UTF-16: 00 61
U+00A9 COPYRIGHT SIGN: ©
Nº: 169
UTF-8: C2 A9
UTF-16: 00 A9
U+...
How can I delete a newline if it is the last character in a file?
...put (it is the POSIX-compliant alternative to the nonstandard echo -n; see http://pubs.opengroup.org/onlinepubs/009696799/utilities/echo.html and https://unix.stackexchange.com/a/65819)
A guide to the other answers:
If Perl is available, go for the accepted answer - it is simple and memory-eff...
Stack, Static, and Heap in C++
...c object in its destructor. For shared_ptr reference, see boost documents: http://www.boost.org/doc/libs/1_37_0/libs/smart_ptr/shared_ptr.htm
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When should I use a trailing slash in my URL?
...ical structure against which the relative link is based, and that the ftp, http,
and file URL schemes are examples of some that can be considered hierarchical, with the components of the hierarchy being separated by "/".
Source: Wikipedia Uniform Resource Locator (URL)
Also:
That is the qu...
File content into unix variable with newlines
...nes # strip trailing newlines
printf "%s\n" "${lines[@]}"
See also:
http://bash-hackers.org/wiki/doku.php/commands/builtin/mapfile
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...计是监控正在运行的系统和网络资源。它有一个内置的 HTTP web 服务去定期收集系统和网络信息并显示成图片。它可以监视系统的平均负载使用、内存的分配、磁盘驱动器、系统服务、网络端口、邮件统计（Sendmail、Postfix、Dovecot ...
Is an index needed for a primary key in SQLite?
... integer affinity
and a unique index, not as an alias for the rowid.
See: http://www.sqlite.org/lang_createtable.html#rowid
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Multiple simultaneous downloads using Wget?
...# |
# |
# ----> the number of connections
http://aria2.sourceforge.net
I love it !!
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How can I have lowercase routes in ASP.NET MVC?
...{
//You don't want to redirect on posts, or images/css/js
bool isGet = HttpContext.Current.Request.RequestType.ToLowerInvariant().Contains("get");
if (isGet && HttpContext.Current.Request.Url.AbsolutePath.Contains(".") == false)
{
string lowercaseURL = (Request.Url.Scheme + ...