Created
August 23, 2012 21:16
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Principle of enjoyable surprises
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| test = test | |
| # => nil | |
| @test = @test | |
| # => nil | |
| $test = $test | |
| # => nil | |
| @@test = @@test | |
| # NameError: uninitialized class variable @@test in Object |
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