If this guy isn't getting headhunted, I have no idea what headhunting is. It's pretty rare for people to be able to write correct and easy-to-read guides to such low level concepts.
Very true. I'm running into that right now: humdrum legacy CRUD apps, where the only challenge lies in being allowed* to refactor the code into decent shape.
https://twitter.com/smdiehl/status/538494839189700608