Top Answers

1. Simplest way to check if two integers have same sign?
   52 votes
2. How do you copy the contents of an array to a std::vector in C++ without looping?
   47 votes
3. How to get file extension from string in C++
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4. Can you explain the concept of streams?
   30 votes
5. In STL maps, is it better to use map::insert than []?
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