Sorted:

ObjC: using “super” in conjunction with overriding-Collection of common programming errors

Destroying a control fails.-Collection of common programming errors

Is it possible to remove DLL dependency due to interface?-Collection of common programming errors

What is the difference between method hiding and shadowing in C#?-Collection of common programming errors

UIAlertView crashes when added to app-Collection of common programming errors

What is the purpose of 'volatile' keyword in C#-Collection of common programming errors

problem about python-2.6-Collection of common programming errors

Is there any reason that Java uses late/static binding for overloaded methods in the same class?-Collection of common programming errors

IB Connections in Xcode crashing-Collection of common programming errors

What is the object instantiated from an Interface-Collection of common programming errors