Add some personalization to your pages by letting the user pick their own color scheme. It's really quite simple and the benifits are awsome. This tutorial shows you how to set up your pages to use a dynamicly included scheme. It will also show you how to create all the pages neccessary to administer the color schemes.
Security is definitely of great concern for both every web developer and web user. This article discusses some of the things you should keep in mind in order to build secure web applications. Learn how to build account activation, use random keys, validate input and protect sensitive information in your site.