Sam Varshavchik questions

Sam Varshavchik answers

• When defining a member function out-of-line, which qualifiers must appear in the declaration / definition / both?
• template method "=0" in the parameter list
• Appending to vector of union
• Writing a thread that stays alive
• clang can't optimize away global variables used only in main()?
• Passing values as reference to a constructor/function [duplicate]
• Segmentation fault when trying to push_back to a std::vector
• C++ MultiThreading Mutex Locks Segmentation Fault
• Difference between return result code from open(): 25 vs 3?
• Why do rvalue/const references have memory address and size?