BoBTFish questions

BoBTFish answers

• C++ loop through map while erasing [duplicate]
• Namespace error while declare it in global scope
• std::to_string store in const char*
• C++: cin >> *char
• C++ rounding to FE_TONEAREST
• Daisy-chaining function calls on pointers
• c++: error: base class has a flexible array member
• Class member function defined outside its namespace
• how to put a string in a char stack and print it out? c++
• Why is my overloaded << operator not working?