Recently i created JavaScript application which tests user connection speed, in fact it measures connection speed between user and my server, but that aside, i decided to share with you mechanics and technology i used to create this tool, maybe some of you guys will find this helpful. Also i want to promote interesting small AJAX framework :). (more…)
Today i want to introduce you to jSON (JavaScript Object Notation), in short, it is a simple format designed to exchange data between different programming languages. I will show you how to create JavaScript object, convert it to JSON string, and send to PHP script, which will decode jSON string to readable format (for PHP). But that’s not all, PHP script will create it’s own data object encode it to jSON string and send it back. All communication between JavaScript and PHP will be done thru AJAX. (more…)
With each new version PHP is getting more and more object oriented. In version 5.x we get two useful classes for date and time handling. Many programmers are still using outdated methods which are available in PHP mainly for compatibility reasons, so i want to introduce you to DateTime and DateTimeZone objects. (more…)
Let me explain why i selected such title. When writing AJAX scripts there is a part of code that always have to be included, it is pretty much like DOCTYPE in html, you do not have to understand it, just copy and paste, more over our code will be a function which takes no parameters and only returns one as XMLHttpRequest. If you do not know what this object is suggest you reading my introduction to AJAX web development. (more…)
Ajax is quite new web development technology, it became quickly very popular, but still a lot of people do not know what it is and how to make a use of it. In this short article i want to present you my views on it, especially when to use Ajax, because often people use this powerful technology in wrong way which may hurt your SERP rankings.
Are you one of this people? Read on to find out.