Use OpenStruct for application configuration variables
Random Ruby and Rails tips. This blog is dedicated to deliver short, interesting and practical tidbits of the Ruby language and Ruby on Rails framework. Read more... Your submissions are more than welcome! Use OpenStruct for application configuration variables Every rails app I’ve ever built needs some sort of configuration, and I seem to be solving this problem a different way every time, which r
Select from a Hash by value
Say, we have a Hash with codes for colors: COLOR = { :red => 1, :white => 2, :black => 3, :yellow => 4 } …and we want to check which color belongs to number 3. COLOR.invert[3] #=> :black This tip uses Hash#invert, which “returns a new hash, created by using hsh‘s values as keys, and the keys as values.”
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