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. a pure virtual function/method is ...

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 ...

Memory corruption bugs are one of the most critical vulnerabilities in software security, which can be exploited to overwrite virtual tables (vtables) or virtual table pointers (vfptrs) and finally ...