What language is that engineer and a nerd one?

I want to understand this comment!

I don’t know, I used vim for like 6 years and then discovered, thanks to the power of evil and doom, how much better the vi experience is inside the context of emacs. With all the utilities and packages, it’s worth the small additional burden of troubleshooting that it imposes.

I usually refer to im as “vi” just to make people think I’m old school and cool save time typing that last character.

But Obsidian??

Yeah that’s what I mean; this is a bit edgier than I’d expect out of him these days. To be fair people often tend to become less piracy-enthusiastic once they publish their own books!

He’s gotten a bit less edgy over the years. Mostly in good ways.

The person you’re replying to is describing (without giving proper context except for “game theory”) an algorithm that’s fairly successful at the “iterated prisoners dilemma”: https://en.m.wikipedia.org/wiki/Tit_for_tat