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#basics
https://www.vikingcodeschool.com/professional-development-with-ruby/ruby-cheat-sheetbest ruby cheat sheet
hashes.each do |x,y|
print "#{x}: #{y}"
endbest ruby cheat sheet
lambda { |param| block }
multiply = lambda { |x| x * 3 }
y = [1, 2].collect(&multiply) # 3 , 6Copyright © 2021 Codeinu
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