An IP address is an unique id for your PC when you are on the internet, and in most cases you are stuck with each other. The only exception is if your ISP is assigning the IP to you through DHCP (Dynamic Host Configuration Protocol), which means that you have a different one every time. Let's see two efficient methods of finding out your IP address. ...

Have you seen people answering the next moment you try to talk to them about something over oDC, usually with something like "I'm not on my computer right now." and wondered how they did this little trick? ...

The main difference between Gmail and Yahoo mail resides in the POP3 and SMTP facility, which Gmail offers for free. What is POP3? POP3 is an acronym for Post Office Protocol version 3, and it is an Internet standard protocol, to retrieve email from a remote email server. It usually comes in a bundle with SMTP (Simple Mail Transfer Protocol), which is a standard for transmitting mails across the Internet. ...

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 are studying engineering or science, sooner or later, you will need to learn how to use Matlab, a programming language which allows easy manipulation of numerical data and implementation of algorithms. This tutorial will help you understand the basic syntax and data types used by the language. ...