Question: What exactly does it mean if a function is defined as virtual and is that the same as pure virtual? Best Answer: From Wikipedia’s Virtual function … In object-oriented programming, in languages such as C++, and Object Pascal, a ...
Question: Why do these two behave differently? vs I know when we directly call virtual member function (obj.fn()) it will do a virtual dispatch(find correct ‘fn’ implementation for type of obj, and call it). But why does a pointer to ...
Question: I am learning inheritance in C++. So for clearing my doubts i am trying out different examples. One such example which i don’t understand is given below: Note that i have added const for the func member function inside ...
Question: I’m trying to create a barebones VM that can only execute x86 assembly code for a highschool project, and I figured to create all of the registers using structs. I have all of the instructions, opcodes, and operand logic ...
Question: it shows created virtual environment. But it is not redirect to virtual environment . after I upgraded the pip no changes where appear . please help me to get that. enter image description here Answer: You must navigate to ...
Question: Say we have the following: Now, I create an instance of C and assign it to a pointer of its base class B. The output is: What surprised me a little is that the object gets destroyed correctly (all ...
Question: I think the use case is frequent, when you have multiple templated classes that have an element (variable or fcn) in common, and you want to call the fcn for all of them in a loop-like way. Clearly, we ...