Things that can take 1-3 keystrokes instead take 30 seconds. This kind of editor mastery is oft mentioned, but I've never seen it. Does anyone know of a good

Things that can take 1-3 keystrokes instead take 30 seconds. This kind of editor mastery is oft mentioned, but I've never seen it. Does anyone know of a good video demonstrating editor virtuosity? Ideally while actually coding - not synthetic examples. Any editor, any platform, any language, etc.