Generally the best place to go for information on tools like VS Code is straight to the source. The official documentation may not be written for the absolute beginner but it’s a solid jumping off point nonetheless.

https://code.visualstudio.com/docs/languages/python https://code.visualstudio.com/docs/languages/cpp https://code.visualstudio.com/docs/setup/windows https://code.visualstudio.com/docs/setup/mac

For anyone learning C++ I’d recommend The Definitive C++ Book Guide and List over on Stack Overflow. It has recommended books for all levels as well as references and best practices.