Well, the sort of technique in https://news.ycombinator.com/item?id=23071459 https://news.ycombinator.com/item?id=23071459 long pre-dates things like that (but

Well, the sort of technique in https://news.ycombinator.com/item?id=23071459 https://news.ycombinator.com/item?id=23071459 long pre-dates things like that (but not sophisticated resource managers, of course) before we knew it was so difficult.