Herr are some great resources: https://en.cppreference.com/w/ https://en.cppreference.com/w/ https://www.learncpp.com/ https://www.learncpp.com/ https://hac

Herr are some great resources: https://en.cppreference.com/w/ https://en.cppreference.com/w/ https://www.learncpp.com/ https://www.learncpp.com/ https://hackingcpp.com/ https://hackingcpp.com/ Books: A tour of C++ 2nd Ed by Bjorne Stroustrup covers C++17 and a new version is in the works to cover C++20 and maybe 23. https://nostarch.com/cppcrashcourse https://nostarch.com/cppcrashcourse