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 ...

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. Can ...

Four C++ concepts are used: static member functions, virtual functions, this pointers, and friend classes. Static member functions can be called just like normal C routines.

In C++, a pure virtual function is a virtual function that you declare in a base class but don't define. A class containing a pure virtual function is called an abstract class, and you can't create ...