Rubyã§æ–‡å—列ã§ä¸€æ„ã«ãã¾ã‚‹ãƒãƒƒã‚·ãƒ¥å€¤ã‚’å–å¾—ã™ã‚‹ - k-yamadaã®ãƒ–ãƒã‚°Objectã®hashメソッドã¯ä½¿ã‚ãªã„ã“㨠hashメソッドã®æˆ»ã‚Šå€¤ã¯ã€rubyを実行ã™ã‚‹ãŸã³ã«å¤‰ã‚ã‚Šã¾ã™ã€‚従ã£ã¦ã€ãƒãƒƒã‚·ãƒ¥å€¤ã‚’永続化ã—ãŸã„å ´åˆç‰ã«ã¯ä½¿ãˆã¾ã›ã‚“。 $ irb > "hoge".hash => -3237379387648982978 > "hoge".hash => -3237379387648982978 > exit $ irb > "hoge".hash => 2500386903580634777 MD5ã®ãƒãƒƒã‚·ãƒ¥é–¢æ•°ã‚’使ㆠMD5ã®ãƒãƒƒã‚·ãƒ¥é–¢æ•°ã§å–å¾—ã—ãŸå€¤ã¯ã€æ–‡å—列毎ã«ä¸€æ„ãªå€¤ãŒè¿”ã‚‹ã®ã§ã€æ°¸ç¶šåŒ–ãŒå¯èƒ½ã§ã™ã€‚ $ irb > require 'digest/md5' => true > Digest::MD5.new.update('hoge').to_s => "ea703e7aa1efda0064eaa507d9e8ab7e" > exit $ irb >
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