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 ...

In C++, Pure virtual method or pure virtual function is a virtual function in which virtual function does not contain a definition inside the function declaration.

The program was from a final project in my C++ course that was meant to test knowledge of polymorphism and virtual functions. The function centers around the areas of a circle and the ares of a ...

Here’s how you can rid your application’s code of the invalid call to a pure virtual function that’s making all this mess in the first place: Within the affected application’s code, replace the pure ...

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 ...

Virtual Function is declared with keyword 'virtual' at the declaration. Ex : virtual return_type function_name(function arguments); Pure-virtual functions need not be implemented in the base class, ...