Top Answers

1. Why don't C++ compilers define operator== and operator!=?
   22 votes
2. How do I write a unit test in c++?
   16 votes
3. Why is 'int' used as just int and why not as std::int in C++?
   10 votes
4. concatenate variables
   8 votes
5. How do I merge two maps in STL and apply a function for conflicts?
   6 votes