[Solved] Template to determine the size in bytes of various variables

Solution in C++14, assuming I understood what you meant: template <class Container> constexpr auto byte_size(const Container& container) { using std::begin; using std::end; return (end(container) – begin(container)) * sizeof(container[0]); } Note that this will work even if the container is empty, since sizeof does not evaluate its operand. It won’t work for std::vector<bool> though—guess you’ll have … Read more

[Solved] css background size zooming? [closed]

css: html, body { height: 100%; width: 100%; padding: 0; margin: 0; } #full-screen-background-image { z-index: -999; min-height: 100%; min-width: 1024px; width: 100%; height: auto; position: fixed; top: 0; left: 0; } #wrapper { position: relative; width: 800px; min-height: 400px; margin: 100px auto; color: #333; } HTML: <body> <img alt=”full screen background image” src=”https://stackoverflow.com/background.jpg” id=”full-screen-background-image” … Read more