Curt Hibbs shows off RoR by finishing sample application in 47 lines of code. Descriptions, instructions, screenshots. [ONLamp.com]

First installment in multipart series of excerpts from Practical Unix and Internet Security, 3rd Edition; tips and general design principles to code by to avoid security-related bugs. O'Reilly Media.

Michael Lucas demonstrates how to follow the development branch of NetBSD [Onlamp.com]

Though it's easy to create sites in PHP, it's not immune to sloppy coding. Clancy Malcolm explains how to recognize and fix potential security holes.

Luis Yordano Cruz demonstrates three-tier PHP application design with PEAR::DB_DataObject, Smarty, and PHP 5. The article assumes that you have some familiarity with HTML, Smarty, PEAR::DB_DataObject, MySQL, and PHP 5.

This tutorial explains the usage of the Simple XML extension new to PHP 5. It provides examples of reading and querying XML data.

Text treats general aspects of language choices, then compares hatred of Perl, Python, Ruby, PHP, Java, C, C++, JavaScript, XSLT, SQL. With many forum comments. [ONLamp.com]

Sam Hiser looks at ODF, how it implements XML for office documents, the technical and political wranglings in the standard, and the currently available tools and applications.

Curt Hibbs explores parts of RoR to show the sources of its productivity gains and flexibility. Descriptions, instructions, screenshots. [ONLamp.com]