Although converting an image (usually in true color) to grayscale can sound like a simple operation if you are used to image processing software, PHP doesn't have a function for this conversion by default. ...

Spyware is similar to worms and viruses which infect your computer, not to cause harm, but rather to spy on your behavior on the net, bring unwanted ads, dubious toolbars and sites to your PC without your approval. There probabably isn't a PC which has never been at one time infected with spyware. ...

Perhaps it has happened to you as well to get a weird message while trying to open a help file under Windows 9x and even 2000/XP: "Cannot Open the File: Mk:@MSITStore: C:\Windows\Help\Windows.chm", here is how you can fix this problem. ...

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. ...

An electronic book, usually, is a book published in electronic form that can be downloaded to computers. Over the Internet, you cand find almost everything by doing the right search. Here is a list of free E-Books sites. ...