A histogram is: a graphical display of tabulated frequencies. In our case, color frequencies that appear in an image. In some image manipulation software this can be named also as Levels. ...

There are several ways I’ve seen over the years of interchanging 2 variables. I’ll show you here how you can do it with bitwise operations. This method is most efficient when used in combination with assembler. In C++ it is looked at more like a curiosity than a real method by most. However if you would want to make your C++ code harder to read, then this can be helpful. ...

If you are bored of browsing the same old sites every time you log on to your computer , you have a solution just a few clicks away. ...

From the Latin word "proximus" which means "close". A proxy is actually a server which helps you have anonymity on the Internet. It is like a wall between you and the net. When you use a proxy, the webpage on the other side won't be able to see you, but just the wall (proxy), thus making you anonymous. ...

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. ...