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Detect blocked popup in Chrome
...efined
result = true;
}
else if (poppedWindow && poppedWindow.closed) {
// This happens if the user opens and closes the client window...
// Confusing because the handle is still available, but it's in a "closed" state.
// We're...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...制数据
【数据库】LeanDB 数据库扩展
【数据库】MySQL + php后端数据库
【数据库】MongoDB + php后端数据库
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Simplest/Cleanest way to implement singleton in JavaScript?
... // Initialize object
return Singleton.instance
}
// Properties & Methods
}
const instance = new Singleton()
Object.freeze(instance)
export default instance
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Check if a file exists with wildcard in shell script [duplicate]
I'm trying to check if a file exists, but with a wildcard. Here is my example:
21 Answers
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Discuz开启帖子快速回复，设置无效 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...帖子快速回复，设置无效 source module forum forum_viewthread.php$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread'...\source\module\forum\forum_viewthread.php
$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread']['archiveid'] && ($_G['forum']['status'] != 3 || $_...
How do I “un-revert” a reverted Git commit?
...tly fine.
Another way is to git checkout HEAD^^ -- . and then git add -A && git commit.
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Get the first element of an array
... a array "copy" is needed:
array_shift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
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.NET HttpClient. How to POST string value?
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this works for me, work on php webservice that is calling $company_id = $_POST("company_id"); like that. If I send as json, php cannot work.
– TPG
Mar 19 at 8:38
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Difference between Divide and Conquer Algo and Dynamic Programming
...own as memoization.
You may think of DP = recursion + re-use
A classic example to understand the difference would be to see both these approaches towards obtaining the nth fibonacci number. Check this material from MIT.
Divide and Conquer approach
Dynamic Programming Approach
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Batch file include external file for variables
... set on each line. The quotes are there to escape things like <, >, &, |. However, they will themselves break when quotes are used in the input. Also you always need to be careful when further processing data in variables stored with such characters.
Generally, automatically escaping arbit...