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How can I return pivot table output in MySQL?

...ieve this can be found here: http://www.artfulsoftware.com/infotree/qrytip.php?id=78 I advise reading this post and adapt this solution to your needs. Update After the link above is currently not available any longer I feel obliged to provide some additional information for all of you searching f...
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CORS - How do 'preflight' an httprequest?

...ll be current to many of us. Here is how I dealt with it in a jQuery 1.12 /PHP 5.6 context: jQuery sent its XHR request using only limited headers; only 'Origin' was sent. No preflight request was needed. The server only had to detect such a request, and add the "Access-Control-Allow-Origin: " . ...
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Dynamically generating a QR code with PHP [closed]

... The easiest way to generate QR codes with PHP is the phpqrcode library. share | improve this answer | follow | ...
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Check to see if a string is serialized?

... unserialize raw user data since it can be used as an attack vector. OWASP:PHP_Object_Injection – ArtBIT Sep 1 '17 at 18:56  |  show 5 more co...
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Using a .php file to generate a MySQL dump

...c(), I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself. That external command will : be a call to mysqldump, with th...
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JavaScript URL Decode function

... Here is a complete function (taken from PHPJS): function urldecode(str) { return decodeURIComponent((str+'').replace(/\+/g, '%20')); } share | improve this an...
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How to determine the memory footprint (size) of a variable?

Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties. ...
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How to check if PHP array is associative or sequential?

PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys? ...
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RadioButton单选按钮扩展集合 · App Inventor 2 中文网

...见应用场景 故障排除 常见问题 « 返回扩展首页 RadioButton单选按钮扩展 本页面收录了多个RadioButton(单选按钮)扩展,为App Inventor应用提供了单选按钮功能。...
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How to validate phone numbers using regex

... phone number is 1' OR 1=1 -- PWNED. See xkcd.com/327 and owasp.org/index.php/Testing_for_SQL_Injection_(OWASP-DV-005) – Aaron Newton Sep 19 '13 at 8:31 ...