Web Developer Documentation Sites

PHP

• PHP Developer's Manual
  
• PEAR Library Documentation
  
• Smarty - the compiling PHP template engine
  
• PECL - The PHP Extension Community Library
  
• PHP-GTK: Manual
  

MySQL

• MySQL 6.0 Reference Manual
  
• MySQL 5.1 Reference Manual
  
• MySQL 5.0 Reference Manual
  
• MySQL 3.23, 4.0, 4.1 Reference Manual
  

Apache

• Apache HTTP Server Version 1.3 Documentation
  
• Apache HTTP Server Version 2.0 Documentation
  

W3C Language Specifications

• XHTML 1.0 Specification
  
• HTML 4.01 Specification
  
• CSS 2.1 Specification
  
• Recommended DTDs for Web documents
  
• XML 1.0 Specification
  
• XML Schemas: Primer
  
• XML Schemas: Structures
  
• XML Schemas: Datatypes
  
• XML Schemas: Reference
  
• DOM Level 1
  
• DOM Level 2 Core
  
• DOM Level 2 Views
  
• DOM Level 2 Events
  
• DOM Level 2 Style
  
• DOM Level 2 Traversal & Range
  
• DOM Level 2 HTML
  
• DOM Level 3 Core
  
• DOM Level 3 Load & Save
  
• DOM Level 3 Validation
  

Mozilla References

• Javascript 1.5 Guide
  
• Javascript 1.5 Reference
  
• DOM Reference
  
  

Code Validation

• W3C Validator for (X)HTML
  
• W3C Validator for CSS
  

User Documentation

• Web Design Group's HTML 4.0 Reference
  
• Web Design Group's CSS 1 Reference
  

Useful Tools

• Version Control with Subversion (online book)
  
• Subversion FAQ
  
• Slackware Linux
  
• Slackware Linux Essentials (online book)
  

GIMP

• GIMP User Manual
• Grokking the GIMP