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 ...

Using virtual functions in a device class adds a vptr that disrupts the match between the class layout and device register layout. Therefore, classes that represent memory-mapped devices can't use ...

If you see Runtime error R6025 - Pure Virtual Function Call message when running an app, then one of these fixes is sure to help you.

SD-WAN is the low-hanging fruit to get enterprises to start using virtual functions. But over time, the uCPE can run other functions, and the enterprise won’t have to deploy multiple dedicated ...