If you Google "modern c++" you will probably find ~c++11 tutorials and posts and less and less content on the latest c++ standards where some things considered "modern" a few years ago are already deprecated or not considered "best practices" anymore.
I'd check this[0] excellent mega rant about c++ and take the best parts to create a truly "contemporary c++" cheatsheet.
I'd check this[0] excellent mega rant about c++ and take the best parts to create a truly "contemporary c++" cheatsheet.
[0] https://youtu.be/7fGB-hjc2Gc?si=4bk2nKx2AXPYLJH7