Sorted:

Undefined reference to when including file from separate directory-Collection of common programming errors

Base class undefined when including header file in .cpp file-Collection of common programming errors

How to select a MAX value from column in Query Builder in Kohana framework?-Collection of common programming errors

SIGABRT error in Facebook iOS SDK 3.1 Tutorial-Collection of common programming errors

Facebook API – saving OAuth access token in session-Collection of common programming errors

Android App keep crashing when rotating-Collection of common programming errors

Error creating a window in windows “undefined reference to 'WinMain@16'”-Collection of common programming errors

Code::Blocks building problem-Collection of common programming errors

Undefined symbols for architecture i386:Cannot fix this error please give some solution-Collection of common programming errors

Why “undefined reference” when the variable is defined and the library is linked?-Collection of common programming errors