{"height":"190","author_url":"https://blog.hatena.ne.jp/tanakaBox/","provider_name":"Hatena Blog","description":"Ruby\u3067\u30e9\u30f3\u30c0\u30e0\u30bd\u30fc\u30c8\u3092\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u3089\u3001\u8272\u3005\u306a\u767a\u898b\u304c\u51fa\u6765\u305f\u3002\u8a66\u884c\u932f\u8aa4\u306e\u8a18\u9332\u3002 \u7d50\u8ad6 \u30e9\u30f3\u30c0\u30e0\u30bd\u30fc\u30c8\u306a\u3089sort_by(rand)\u304c\u3044\u3044\u3002 p (1..10).sort_by{rand} #=> [10, 3, 5, 9, 8, 6, 2, 4, 7, 1] \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3057\u3066\u6d3b\u8e8d\u4e2d\u301c\u3002 % random() { ruby -e 'print STDIN.to_a.sort_by{rand}' } % printf \"%d\\n\" {1..5} | random 2 1 3 4 5\u304b\u306a\u308a\u4fbf\u5229\u3063\u3059\u3002\u3067\u306f\u3001\u6700\u9069\u89e3\u304c\u51fa\u308b\u307e\u3067\u306e\u8a18\u9332\u3092\u3069\u3046\u305e\u3002 \u30e9\u30f3\u30c0\u30e0\u30bd\u30fc\u30c8 sort\u3092\u4f7f\u3063\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u4e26\u3073\u66ff\u3048\u3066\u307f\u2026","provider_url":"https://hatena.blog","version":"1.0","categories":["Ruby"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070512%2F1178915094\" title=\" Ruby\u3067\u914d\u5217\u306e\u30e9\u30f3\u30c0\u30e0\u30bd\u30fc\u30c8 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://boxnos.hatenablog.com/entry/20070512/1178915094","author_name":"tanakaBox","blog_title":"\u30dc\u30af\u30ce\u30b9","width":"100%","type":"rich","blog_url":"https://boxnos.hatenablog.com/","image_url":null,"published":"2007-05-12 05:24:54","title":" Ruby\u3067\u914d\u5217\u306e\u30e9\u30f3\u30c0\u30e0\u30bd\u30fc\u30c8"}