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セキュリティ&プログラミングキャンプ2009発表資料
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13. Ruby def sound() f=File.open("/dev/dsp","w") i=0 n="" 2560.times{|i| a=i*15%256 n=n+a.chr } f.puts n f.close end 14.
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19. rbprelude.rbgem_prelude.rbCrubyprelude.rb
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