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jarkko/gist:8332155

Created January 9, 2014 10:23
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gistfile1.rb
irb(main):004:0> a = Event.limit(5)
Event Load (0.4ms) SELECT `events`.* FROM `events` LIMIT 5
=> […]
irb(main):006:0> a.map(&:id)
=> [1, 2, 3, 4, 5]
irb(main):008:0> a.reject!{|i| i.id == 1}
=> […]
irb(main):010:0> a.map(&:id)
=> [2, 3, 4, 5]
irb(main):011:0>
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