K. Kirsz questions

K. Kirsz answers

• why c++ use memset(addr,0,sizeof(T)) to construct a object? Standard or compiler bug?
• How to convert wstring to wchar_t*? C++
• Add key values dynamically to nested object in Javascript
• What does int (*ar) [] declaration mean in C? [duplicate]
• Check if a character is Russian
• Java string comparison using bitwise xor
• c++ constructor seems to return pointer to the same object every time [duplicate]