Victor Gubin questions

Victor Gubin answers

• how to execute sql statements inside spring boot controller?
• Is there a way to create a stringstream from a string_view without copying data?
• C++ deleted new operator but can create shared_ptr
• Efficiently compute the hashCode for a BitSet-like implementation of Set<Integer>
• How to use implicit template type deduction
• What optimizations does __builtin_unreachable facilitate?
• Is there any way to iterate through a struct?