Here's a class I wrote as an example of implementing the Vigenere Cipher. It is based on the description of the Vigenere Cipher at WikipediaThe Vigenère cipher is a method of encryption that uses a series of different Caesar ciphers based on the letters of a keyword. It is a simple form of polyalphabetic substitution.. It was a fun exercise though the Cipher is as obsolete as the TI-85 however so there is no practical use for this.

JoomlaShackJoomla Templates & Custom Services conducted a survey on, "Who uses Joomla?". The results show the users of Joomla, and what they use it for, as well as some background on the users themselves. Here is the Joomla Users Survey Results.

A desired feature of HTML forms is to remember the input of the user. HTML forms that do not remember user input can be very annoying, if you've ever used one. Here is how to remember form input even if a user closes the browser before submitting the form, with no interaction with the server at all.

In some development environments, you don't know in advance what JavaScript Code will end up on a page. This can lead to an accidental variable naming conflict between your JavaScript code and the other JavaScript code that ends up on the page. I run into this problem frequently when developing JS code for Joomla Extensions. Here is a way to have only a single Object in the global scope of the JS Script.