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How to check whether a string is Base64 encoded or not

... Try like this for PHP5 //where $json is some data that can be base64 encoded $json=some_data; //this will check whether data is base64 encoded or not if (base64_decode($json, true) == true) { echo "base64 encoded"; } e...
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What is the benefit of zerofill in MySQL?

...rkByers, Practically speaking though, wouldn't most client-libraries (e.g. PHP) simply strip the zeros off before they hand it over to the application code? If so, then it really seems somewhat pointless. A bad design in the early days of MySQL. – Pacerier May...
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Convert MySql DateTime stamp into JavaScript's Date format

... #MySQL select date_format(my_date_column,'%Y-%m-%dT%T') from my_table; #PHP $php_date_str = substr($mysql_date_str,0,10).'T'.substr($mysql_date_str,11,8); //JavaScript js_date_str = mysql_date_str.substr(0,10)+'T'+mysql_date_str.substr(11,8); ...
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]

...ternary operator but not the ternary operator. Major languages (C#, Java, PHP) consider it a conditional operator, and call it the ?: operator. Occasionally (JavaScript) it is called the conditional operator. – Sheepy May 30 '14 at 8:02 ...
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Redirect from an HTML page

...SEO people: <link rel="canonical" href="http://www.example.com/product.php?item=swedish-fish"/> share | improve this answer | follow | ...
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How to show loading spinner in jQuery?

...img src="images/spinner.gif" alt="Wait" />'); $('#message').load('index.php?pg=ajaxFlashcard', null, function() { $("#myDiv").html(''); }); This will make sure your animation starts at the same frame on subsequent requests (if that matters). Note that old versions of IE might have difficultie...
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Regex - how to match everything except a particular pattern

... with [[:digit:]]. The first reference mentions it is specific to Perl and PHP: "There is a variation using syntax specific to Perl and PHP that accomplishes the same." – miguelmorin Oct 24 '18 at 12:43 ...
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Stop Chrome Caching My JS Files

...thing like script.js?a=[random Number] with the Random number generated by PHP. Have you tried expire=0, the pragma "no-cache" and "cache-control=NO-CACHE"? (I dunno what they say about Scripts). share | ...
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术

...明,libev 的成本要低得多,因此比 libevent 更快。API 设计问题也在结果中发挥作用,因为在使用计时器时,本机 API 可以比模拟 API 做得更好。尽管这使 libev 处于劣势(仿真层必须模拟其原生 API 没有的 libevent 的某些方面。它还...
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How can I simulate an anchor click via jquery?

...n" type="button" value="Click me"> <a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a> Edit: If you're trying to simulate a user physically clicking the link, then I don't believe that is possible. A workaround would be to update the button's click event to chan...