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Validating IPv4 addresses with regexp
...course, formatted for readability purposes on 3 separate lines)
Debuggex Demo
It may not be optimised for speed, but works well when only looking for 'real' internet addresses.
Things that will (and should) fail:
0.1.2.3 (0.0.0.0/8 is reserved for some broadcasts)
10.1.2.3 (10.0....
How do I select a random value from an enumeration?
...afe and will start returning zeroes when it breaks. I've updated my answer based on this info.
– WHol
Aug 4 '15 at 15:23
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How can I trigger a Bootstrap modal programmatically?
...->
<button type="button" class="btn btn-primary btn-lg">
Launch demo modal
</button>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="...
PHP Multidimensional Array Searching (Find key by specific value)
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Another poossible solution is based on the array_search() function. You need to use PHP 5.5.0 or higher.
Example
$userdb=Array
(
(0) => Array
(
(uid) => '100',
(name) => 'Sandra Shush',
(url) => 'urlof100'
),...
Turn off Visual Studio Attach security warning when debugging IIS
...maWiebe Tijsma
9,73544 gold badges4949 silver badges6464 bronze badges
10
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Java Security: Illegal key size or default parameters?
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@JamesBlack - Yep, and to make sure all the bases were covered I put the JAR's under Java/jre/lib/security, Java/jdk/lib/security, and Java/jdk/jre/lib/security. Running 'java -version' returns the expected details.
– aroth
Oct 2...
What is the Swift equivalent to Objective-C's “@synchronized”?
...ct inside of swift for this yet.
I did make up this small helper function based on some of the code I've seen from Matt Bridges and others.
func synced(_ lock: Any, closure: () -> ()) {
objc_sync_enter(lock)
closure()
objc_sync_exit(lock)
}
Usage is pretty straight forward
synced...
ctypes - Beginner
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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LOGFONT 和 CFont 区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
... _T("宋体")); // lpszFac
使用字体：
GetDlgItem(IDC_BTN_DEMO)->SetFont(f);
获取LOGFONT字体数据结构体：
LOGFONT lf;
f->GetLogFont(&lf);
这时就可以访问LOGFONT中的成员变量了，比如字体名：lf.lfFaceName等。
调用字体设置对话框：
...
一款IP：端口监控工具 服务器端口监控工具[附源码] - C++ UI - 清泛IT社区...
TradeMonitor v1.0
功能介绍：
监控ip:port，类似于telnet命令。
界面清晰简洁，异常连接的情况一目了然。
支持添加、编辑、删除、移动ip:port组合，可监控多组，支持ip:port备注。
支持自动刷新，刷新间隔可配置，同时也可手动刷...