Why do we need virtual functions in C++?

Here is how I understood not just what virtual functions are, but why they’re required: Let’s say you have these two classes: In your main function: So far so good, right? Animals eat generic food, cats eat rats, all without virtual. Let’s change it a little now so that eat() is called via an intermediate function (a trivial function just … Read more

What is Xpenology? Is it Linux related thing?

Xpenology isn’t a linux OS like Ubuntu or other common distribution. It’s a bootloader for synologys operating system DSM, which they use on their NAS devices. DSM is running on a custom linux version developed by Synology, so it’s also not real compareable to desktop/server distributions in a direct way. Its optimized for running on … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)