Ringo_D questions

• How to compare and assign between std::vector<T> and std::vector<std::reference_wrapper<T>>?
• Choice Between std::vector and std::unordered_map For Searching In Few Items Case?
• The Standard Way To Encode/Decode To/From Binary Object In C++
• How to return real self type of subclass?
• Fastest way to check mass data if null in C? [duplicate]

Ringo_D answers