Sorted:

Is using a predecrement operator on the right hand side of an assignment valid C++?-Collection of common programming errors

problem about scorm2004-Collection of common programming errors

Rspec NoMethodError: undefined method `call', yet everything works via rails console-Collection of common programming errors

Undefined index: btn_save…error in php [closed]-Collection of common programming errors

Derby database: ERROR X0Y68: Schema '<name>' already exists-Collection of common programming errors

MySQL Process List – improve performance – lock issue-Collection of common programming errors

MySQL Unknown column in where clause for simple select statement (SOLVED)-Collection of common programming errors

ZF2 – get was unable to fetch or create an instance for getAlbumTable-Collection of common programming errors

Use of undefined constant DIR_INCLUDE after redirect-Collection of common programming errors

Zend Framework 2 Unit testing controllers, POST/GET data not sending. Undefined Index-Collection of common programming errors