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f3nry/gist:4753221

Last active December 12, 2015 09:39
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Initializing an array and setting an incredibly high index causes Ruby to immediately use all of the available memory due to initializing all previous values in the array to the high index. I'm using ruby 1.9.3p286 on a Macbook with 8 gb of ram.
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gistfile1.rb
some_array = []
some_array[Time.now.to_i] = 1
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