Read Stroustrup's blue book (The C++ Programming Language 4th edition); chapter 1 will teach you a LOT. Then read Meyer's Effective modern C++. And then have

Read Stroustrup's blue book (The C++ Programming Language 4th edition); chapter 1 will teach you a LOT. Then read Meyer's Effective modern C++. And then have a local copy of cppreference.com (they provide a zip you can download) and set yourself some projects.