Avoid name collision with Cake Pattern...

Django error : one or more models did not validate:...

Implementing interface and abstract class with same methode name resulting in generic name clash...

Same class name in different C++ files...

namespace clash with two large libraries...

Generics name clash...

ASP.NET MVC 3 Model Binding - ViewBag.Title clash with input of id="Title"...

Name collisions between layers...