In object technology, a function that has a default operation for a base class, but which can be overridden and perform a different operation by a derived class. A derived class inherits the ...

Embedded C developers shy away from C++ out of concern for performance. The class construct is one of their main concerns. My previous article Code Craft – Embedding C++: Classes explored whether ...

I have read in several books (including a book on using QT toolkit) warning about using C++'s virtual function because of performance penalty. But they are quite vague on why this is so. My memory on ...