cdonat questions

cdonat answers

• C++ strings vs vector<char> [duplicate]
• Use of placement-new operator and copy constructor instead of assignment operator
• c++ functions as parameters without pointers
• Can references cause memory leaks? [duplicate]
• How can I write vector<unsigned char> to file, followed by an unsigned int
• Why is there 'clear' method when "" can be assigned to std::string?
• Is following singleton implementation thread safe?