Sorted:

problem about database-performance-Collection of common programming errors

Migrating from Joomla 1.5.x to 1.7-Collection of common programming errors

How to find the non-SEF URL whilst SEF is enabled (Joomla 1.5)?-Collection of common programming errors

After updating Joomla version “Media Manager” in Administrator panel not working-Collection of common programming errors

How to convert joomla(ACL) from joomla 1.5 to joomla 2.5 version-Collection of common programming errors

XStandard Lite 2.0 joomla editor-Collection of common programming errors

Joomla 1.5 to 2.5 with Jupgrade. “undefined migrating error”-Collection of common programming errors

problem about i18n-Collection of common programming errors

7,i18n,debuggingRelated issues-Collection of common programming errors

joomla2.5,joomla1.5,fatal-errorRelated issues-Collection of common programming errors