{"version":"1.0","url":"https://ccm-lulu.hatenadiary.jp/entry/20120325/1332660923","title":" [Ruby] Ruby\u304a\u52c9\u5f372","width":"100%","categories":[],"published":"2012-03-25 16:35:23","image_url":null,"description":"irb \u306e\u62e1\u5f35 utility_belt \u7d9a\u304d irb \u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067 x \u3092\u30bf\u30a4\u30d7\u3059\u308b\u3068\u3059\u3050\u306b\u7d42\u4e86\u3067\u304d\u308b irb \u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067 vi \u3092\u30bf\u30a4\u30d7\u3059\u308b\u3068\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306b\u30b3\u30fc\u30c9\u304c\u8a18\u8ff0\u3067\u304d\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066vi\u3092\u9589\u3058\u308b\u3068irb\u3067\u8a55\u4fa1\u3055\u308c\u308b \u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d collect \u3068 map \u306f\u540c\u3058\u6a5f\u80fd\u3089\u3057\u3044\u3002\u3002 \u306a\u3093\u3067\u4e00\u3064\u306e\u6a5f\u80fd\u306b\u5e7e\u3064\u3082\u6a5f\u80fd\u304c\u3042\u308b\u3093\u3060\u3002 \u3053\u306e\u3078\u3093\u306f\u601d\u60f3\u3092\u3061\u3083\u3093\u3068\u7406\u89e3\u3057\u305f\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3002 Array#inject \u306b\u3064\u3044\u3066 \u30d6\u30ed\u30c3\u30af\u5185\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306b\u5bfe\u3057\u3066\u3001\u72b6\u614b\u3092\u4fdd\u6301\u3067\u304d\u308b\u3088\u3046\u306a\u52d5\u304d \u30d6\u30ed\u30c3\u30af\u5185\u3067\u5909\u6570\u3092\u6271\u3048\u308b\u306e\u3067\u5f71\u97ff\u3082\u5c11\u306a\u304f\u4fbf\u5229\uff1f # a\u306e\u5909\u6570\u306f\u5024\u3092\u30d6\u30ed\u30c3\u30af\u5185\u3067\u7d99\u7d9a\u3057\u3066\u4fdd\u6301\u3059\u308b #\u2026","blog_title":"\u9b5a\u306e\u80b4","provider_name":"Hatena Blog","author_name":"tinyseraph","blog_url":"https://ccm-lulu.hatenadiary.jp/","height":"190","type":"rich","author_url":"https://blog.hatena.ne.jp/tinyseraph/","provider_url":"https://hatena.blog","html":""}