It won't help you learn C++ from scratch, but once you know a bit about it, the Abseil tips published by Google are a remarkably useful resource to learn best practices and modern C++: https://abseil.io/tips/
They are one of the main tools used internally at Google to ensure engineers who have to use C++ stay on top of language evolution and avoid common pitfalls.
They are one of the main tools used internally at Google to ensure engineers who have to use C++ stay on top of language evolution and avoid common pitfalls.