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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor

...der Instead of using setHeader method, response.addHeader("Access-Control-Allow-Origin", "*"); * in above line will allow access to all domains. For allowing access to specific domain only: response.addHeader("Access-Control-Allow-Origin", "http://www.example.com"); Check this blog post. ...
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How to properly URL encode a string in PHP?

...h page, where you type a search query and the form is submitted to search.php?query=your query . What PHP function is the best and that I should use for encoding/decoding the search query? ...
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Default visibility of class methods in PHP

...ithout any explicit visibility keyword are defined as public. http://www.php.net/manual/en/language.oop5.visibility.php share | improve this answer | follow ...
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onclick open window and specific size

... <a href="/index2.php?option=com_jumi&fileid=3&Itemid=11" onclick="window.open(this.href,'targetWindow', `toolbar=no, location=no, ...
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PHP Fatal error: Call to undefined function json_decode()

Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs ...
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How do PHP sessions work? (not “how are they used?”)

...when his session is created. it is stored in a cookie (called, by default, PHPSESSID) that cookie is sent by the browser to the server with each request the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user. The data in the sessions files is the ...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

...; Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution. share | improve this answer ...
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Replacing Spaces with Underscores

I have a PHP Script that users will enter a name like: Alex_Newton , 12 Answers 12 ...
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...

... 使用Web客户端的POST文件的方法,参考代码如下: php服务端代码参考:<?php /* FileName: PicXfer.php * Simple PHP script to save image file. */ echo "We're in the XFER Program...";//phpinfo(); $picDir = "./test/"; $fileName = $_REQUEST['pic'];...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

...e, don't they? 3) In real apps, columns used in ordering would probably be indexed, and indexing speed on different collations with real non-ASCII text might differ. – Halil Özgür Oct 12 '14 at 23:29 ...