Sam Varshavchik questions

Sam Varshavchik answers

• strange behavior of std::string assign,clear and operator[]
• How to call a method from a forward declared class?
• Is there a workaround for using typeid and typeinfo in different version of g++ compiler?
• reinterpret_cast between integers and pointers (of same and of different sizes)
• C++ overload >> operator with different interaction based on which side of >>
• Replace a variable of a type with const members
• How to run a command as root with C or C++ with no pam in linux with password authentication
• hierarchical_mutex: are spurious exceptions possible?
• Pushing shared_ptr(this) into vector results in "free(): invalid pointer" error
• Is the content of a predicate in c++ wait_for method mutex protected or not?