In 2000, Jakob Nielsen, the world's leading expert on Web usability, published a book that changed how people think about the Web Designing Web Usability (New Riders). Many applauded. A few jeered. But everyone listened. The best-selling usability guru is back and has revisited his classic... more

The PHP server-side scripting language and the MySQL database management system (DBMS) make a potent pair. Both are open-source products--free of charge for most purposes--remarkably strong, and capable of handling all but the most enormous transaction loads. Both are supported by large,... more

Regular expressions help users and developers to find and manipulate text more effectively and efficiently. In addition, regular expressions are supported by many scripting languages, programming languages, and databases. This example-rich tutorial helps debunk the traditional reputation of... more