63 Tips for golfing in Ruby 2011-02-02T04:05:37.117

18 Crash IRB (interactive Ruby) 2014-02-27T14:05:15.760

13 Advice for ruby 2017-10-23T17:31:48.037

7 How to improve Ruby code under some restrictions 2017-12-02T19:42:01.077

5 Golf my iteration function 2019-06-28T01:00:23.687