WordPress developer resources to bookmark

• Child Theme
• Managing WordPress Menu
• body class
• Category Management
• Translating WP
• Function ref : translate
• WP in your language
• SUPPORT : Large Code excerpt
• DEBUG WordPress debugging
• CSS Coding Standards
• Actions and filters in WordPress
• WORPRESS conditional tags
• Child Theme WP documentation
• File permission settings with WordPress
• FTP with WordPress
• Translation / internationalization function
• WordPress Coding Standards
• 5 ways to debug WordPress
• Most common wordpress errors