Hi,<BR><BR>I have a base class whose destructor is pure virtual, so the class is abstract.<BR><BR>I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero ...

Overview Python's "abstract base class" system gives you a way to create types that serve as the abstract foundation for another, more concrete type. This example shows how an abstract base class from ...

Here on Hackaday, we’re generally designers of hacks that live in the real world. Nevertheless, I’m convinced that some of the most interesting feats are at the mercy of what’s possible in software, ...

The C# programming language provides support for both virtual and abstract methods, each of which has distinct advantages. You use virtual methods to implement late ...