Add @mentions To Input Fields – jQuery sMention Plugin

Mentioning persons [email protected] pretty common on social web sites. Facebook, Google+ and even StackOverflow have [email protected] They developed it on their own and doesn’t share the code with others. If you are developing a social site, then it’s better to have this mention feature. I wanted this, but the jQuery plugins I found was too big. The first plugin I found was 20 KB ! This…

How To Create A Simple Web Crawler in PHP

A Web Crawler is a program that crawls through the sites in the Web and indexes those URL‘s. Search Engines uses a crawler to index URL’s on the Web. Google uses a crawler written in Python. There are other search engines that uses different types of crawlers. In this post I’m going to tell you how to create a simple Web Crawler in PHP. The codes shown here was created…

How To Check If Internet Connection Exists In jQuery & Javascript

If you are running an app on the web that requires Internet Connection all the time, sometimes the internet connection will fail on the client side and your app won’t properly work. The best example is the New Tab Chrome Apps that will display the URL icons grayscale when offline and will make the icons back to color when online. To check whether the client’s internet connection is online, we…

How To Change The Browser URL Without Refreshing Page – HTML5

This post was suggested by Sumit Kumar Pradhan. I recently saw many questions like this on Stack Overflow. Let me start explaining, there is already a function in JavaScript to do this special task. The function is window.history.replaceState. It’s a simple function that needs 3 values.This is actually a HTML5 function that came out on July 2012 (I think). All the latest browsers support the new function except IE 9. Download Demo Here is a…

Create Your Own URL Shortening Service Using PHP & jQuery

I made a URL shortening service a year back using PHP & jQuery. It was pretty simple. You should know the concept of URL Shortening. The concept is simple. When a user sends a request to short a URL, PHP will check if the URL is valid. If it’s valid then PHP will make a string of 5 or 6 characters. A folder is created with the name of this string and an index.php file with header function code is created…