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Getting visitors country from their IP

... via their IP... Right now I'm using this ( http://api.hostip.info/country.php?ip= ...... ) 29 Answers ...
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How to save an HTML5 Canvas as an image on a server?

... server via Ajax $.ajax({ type: "POST", url: "script.php", data: { imgBase64: dataURL } }).done(function(o) { console.log('saved'); // If you want the file to be visible in the browser // - please modify the callback in javascript. ...
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how to detect search engine bots with php?

How can one detect the search engine bots using php? 16 Answers 16 ...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...来源:http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html 问题:如何知道一个session都执行过哪些SQL语句?(查看当前比较容易,历史的呢?怎么复原sql的执行场景——事务关系、执行序列、单SQL还是存储过程) 【方法一】查...
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Convert SVG image to PNG with PHP

... and I was thinking I should write a tutorial... Here is how to do it with PHP/Imagick, which uses ImageMagick: $usmap = '/path/to/blank/us-map.svg'; $im = new Imagick(); $svg = file_get_contents($usmap); /*loop to color each state as needed, something like*/ $idColorArray = array( "AL" =&gt...
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...)的监测,迅速定位系统故障,如发生Oracle数据库死锁等问题。 优化系统性能:精确分析系统各个组件占用系统资源情况,中间件、数据库执行效率,根据应用系统性能要求提出专家建议,保证应用在整个寿命周期内使用的系...
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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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What does new self(); mean in PHP?

...ParentClass -- i.e. here too, the class in which it is written. With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems. That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in thos...
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PHP: If internet explorer 6, 7, 8 , or 9

I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of: 17 Answers ...
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Get fragment (value after hash '#') from a URL in php [closed]

How can i select the fragment after the '#' symbol in my URL using PHP? The result that i want is "photo45". 10 Answers ...