Uniq by object attribute in Ruby

Uniq by object attribute in Ruby

ruby-on-rails ruby arrays unique

ruby

Combine array of array into all possible combinations, forward only, in Ruby

ruby arrays unique combinations

ruby

How do I get the unique elements from an array of hashes in Ruby?

ruby arrays hash unique

ruby

Ruby - Find element not in common for two arrays

ruby arrays unique

ruby

Rails, ruby: does SecureRandom.urlsafe_base64 need to be checked for uniqueness for tokens?

ruby random ruby-on-rails-4 unique

ruby