Books (or papers), but language and methodology reference materials NOT tutorials. I do not find video useful. Video is, for me, too information poor. I like

Books (or papers), but language and methodology reference materials NOT tutorials. I do not find video useful. Video is, for me, too information poor. I like to learn programming and coding by reading other people's code. Real code is usually more instructive that code fragments created to illustrate a point. I am a fan of leaning on my own, but direct personal contact with a knowledgeable human does aid the learning process.