Once you buy a piece of art to hang on your wall, you're pretty much stuck with it until you decide to remove or replace it. But this is the future, so why should we have to settle for something as ...

Imagine you are creating a game that contains many different classes of things; there are players, monsters, and objects that can be picked up. In addition, magic spells can change the classification ...

Extensible applications allow you to add functionality without rewriting your application: you dynamically select the classes that make up your application at runtime rather than design time. I once ...