Did you ever want to see how your website looks like in various browsers and operating systems? Now it's easier than you think: just let this neat website do screenshots of web pages you choose. ...

Images, even if they are big or small are usually full of colour. However, in certain situations you may want to check if an image is indeed grayscale or not. You can do this using PHP and its image manipulation functions. ...

If you've ever wondered about the process that takes place when you power on your computer or if you need more information about updating your BIOS, you can learn more by reading this article. ...

This article isn't meant to be a "How to build a 2x80W amplifier", but rather a "this is how I built one". So let's see how I did it. ...

In the first part of this article I've explained the basics of sessions and how they can be used. It is now time to see how we can implement these theories and create a functional session management system using a database. ...