Source: https://brettterpstra.com/6b5feb74-4208-11e9-9d31-040140774501 Snapshot: 2026-04-26T16:09:46Z Generator: Remarkbox b35c136 This is a subthread snapshot. The living document lives at the source URI above — it may have been edited, extended, or replied-to since.

These were even faster for a large number of elements: (0..99999).to_a.shuffle[0..4], (0..99999).sort_by{rand}[0..4]. (Than this: (0..99999).to_a.sort{rand() -0.5 }[0..4].)

Source: https://brettterpstra.com/6b5feb74-4208-11e9-9d31-040140774501
Snapshot: 2026-04-26T16:09:46Z
Generator: Remarkbox b35c136