Multi dimensional array sorting in php

Sorting a multi dimensional array represents a very common and frequent requirement. Let me get straight to a practical example:Here is an array of activities by several users on EduSagar:$activities = array ( '1' => array( 'id

Codeigniter .htaccess redirection for query string URL

Recently EduSagar was upgraded to accommodate MVC framework provided by Codeigniter. This was done in an effort to get more meaningful and SEO-friendly segmented URLs. Things worked pretty well, but then we faced a weird issue.

JQuery error: $("#") is not a function

JQuery is gaining popularity day by day and at times we end up using multiple jQuery elements on a single page. With this it brings many issues, if we just go on and copy jQuery elements directly into webpages from the internet. The first a

Enterprise mobile application development: how much does it cost

Mobile applications have become a big deal of our lives. And our professional lives are no exception. Business owners use mobile apps as serious tools to enhance their business performance. While some industries think it is not for them