What is Code?
Excellent, epic writing by Paul Ford. The lead ‘Hello World’ picture is by nice person and photographer I’ve coincidentally met in NYC: David Brandon Geeting. I warmly recommend his book ‘Infinite Power’ if you can get a copy!
A few highlights from the gigantic, in web parlance, ‘wall of text’, to help convince you to go read the whole thing:
Compilation is one of the denser subjects in computer science, because the lower down you go, the more opportunities there are to do deep, weird things that can speed up code significantly—and faster is cheaper and better.