ruby console commands cheat sheet code example
Example 1: ruby cheat sheet
Four good ruby cheat Sheets:
https://overapi.com/ruby
http://www.testingeducation.org/conference/wtst3_pettichord9.pdf
https://github.com/ThibaultJanBeyer/cheatsheets/blob/master/Ruby-Cheatsheet.md
https://www.vikingcodeschool.com/professional-development-with-ruby/ruby-cheat-sheet
Example 2: best ruby cheat sheet
"Hello".length
"Hello".reverse
"Hello".upcase
"Hello".downcase
"hello".capitalize
"Hello".include? "i"
"Hello".gsub!(/e/, "o")
"1".to_i
"test".to_sym
"test".intern
:test.to_s