humble brag. I had that on an interview once and I'd never heard of the technique but somehow a inspiration from the heavens and I was able to invent it on the

humble brag. I had that on an interview once and I'd never heard of the technique but somehow a inspiration from the heavens and I was able to invent it on the spot. Sometimes knowing something is possible is a great motivator (plus the time pressure of the interview) But I guess what really happened is that when you come up writing assembly code at a low level it's a lot more obvious when you've been neck deep in bits, shifts, and logic ops all day.