/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: chesstrian https://cdn.slidesharecdn.com/profile-photo-chesstrian-48x48.jpg?cb=1529464685 Theory is when you know something, but it doesn't work. Practice is when something works, but you don't know why. Programmers combine theory and practice: Nothing works and they don't know why. – Anonymous Developer