[localhost]

One of the best resources that I have used (in the distant past) is vim golf[1]. It's a super fun way to level up your vim skills.

[1] https://www.vimgolf.com/

[aidos]

The issue I always had with it is that you can’t see the really good answers (unless that’s changed). I wanted to push an “I give up” button so I could access answers that would help me learn.

[codyb]

That was always the best part of ProjectEuler was seeing everyone else’s answers after solving the problem.