I write or deal with a lot of C, unfortunately. I try very hard to not have global variables, and to minimize sharing between threads. When I pick up a C codebase, one of the first things I do is build it and inspect the object files to see what globals exist. The same can be done in C++, and should be. Use inheritance sparingly. Don't use exceptions if at all possible. Use modern C++ as much as possible, and borrow ideas from Haskell/Rust as much as possible. I'm thinking of https://stackoverflow.com/questions/9692630/implementing-has...