{"provider_url":"https://hatena.blog","title":"\u30c1\u30a7\u30ea\u30fc\u672c\u3000\uff14\u7ae0\u3000\u305d\u306e3","height":"190","width":"100%","categories":[],"image_url":null,"author_url":"https://blog.hatena.ne.jp/uAlIZnPx2hGIN68/","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u52c9\u5f37\u3067\u70ba\u306b\u306a\u3063\u305f\u3053\u3068\u3092\u66f8\u3044\u3066\u3044\u304f\u3088\uff01","author_name":"uAlIZnPx2hGIN68","provider_name":"Hatena Blog","description":"\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u3046\u914d\u5217\u30e1\u30bd\u30c3\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u3046\u914d\u5217\u30e1\u30bd\u30c3\u30c9 1.map\u30e1\u30bd\u30c3\u30c9 2.select /find_all/reject\u30e1\u30bd\u30c3\u30c9 3.find\u30e1\u30bd\u30c3\u30c9 4.inject/reduce\u30e1\u30bd\u30c3\u30c9 &\u3068\u30b7\u30f3\u30dc\u30eb\u3092\u4f7f\u3063\u3066\u7c21\u6f54\u306b\u66f8\u304f \u4f7f\u7528\u983b\u5ea6\u304c\u9ad8\u3044 \u914d\u5217\u30e1\u30bd\u30c3\u30c9 1.map\u30e1\u30bd\u30c3\u30c9 \u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3092\u8a55\u4fa1\u3057\u305f\u7d50\u679c\u3092\u65b0\u3057\u3044\u914d\u5217\u306b\u3057\u3066\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9 \u914d\u5217numbers\u306b\u5165\u3063\u3066\u3044\u308b\u5404\u6570\u5024\u8981\u7d20\u309210\u500d\u3057\u3066\u65b0\u3057\u3044 \u914d\u5217numbers_1\u306b\u4ee3\u5165\u3059\u308b\u5f0f numbers = [1, 2, 3, 4] numbers_1 = [] numbers.map { |n| numbers_1 << n * 10 } \u2026","type":"rich","url":"https://poipoi618.hateblo.jp/entry/2021/04/29/232001","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpoipoi618.hateblo.jp%2Fentry%2F2021%2F04%2F29%2F232001\" title=\"\u30c1\u30a7\u30ea\u30fc\u672c\u3000\uff14\u7ae0\u3000\u305d\u306e3 - \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u52c9\u5f37\u3067\u70ba\u306b\u306a\u3063\u305f\u3053\u3068\u3092\u66f8\u3044\u3066\u3044\u304f\u3088\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2021-04-29 23:20:01","blog_url":"https://poipoi618.hateblo.jp/","version":"1.0"}