{"width":"100%","provider_name":"Hatena Blog","blog_url":"https://devchick.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevchick.hatenablog.com%2Fentry%2F2018%2F10%2F10%2F212731\" title=\"Rails\u30d7\u30eb\u30ea\u30af\u306e\u305e\u304d\u898b - 2018/10/10 - dev\u3072\u3088\u3053\u306e\u3042\u3057\u3042\u3068\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"height":"190","categories":["Rails"],"url":"https://devchick.hatenablog.com/entry/2018/10/10/212731","version":"1.0","blog_title":"dev\u3072\u3088\u3053\u306e\u3042\u3057\u3042\u3068","provider_url":"https://hatena.blog","author_name":"devchick","published":"2018-10-10 21:27:31","description":"Ruby\u3084Rails\u306b\u3061\u3087\u3063\u3068\u3067\u3082\u8ca2\u732e\u3057\u305f\u3044\u3093\u3067\u3059\u304c\u3001\u307e\u3060\u307e\u3060\u82e5\u8f29\u8005\u306a\u306e\u3067Ruby\u3084Rails\u306e\u30d7\u30eb\u30ea\u30af\u306a\u3069\u3092\u534a\u5e74ROM\u3063\u3066\u3044\u3088\u3046\u304b\u3068\u3002 \u7d99\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u96d1\u306b\u773a\u3081\u3066\u5185\u5bb9\u304c\u308f\u304b\u3063\u305f\u3082\u306e\u3092\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u7d39\u4ecb\u3057\u3066\u307f\u308b\u3002 nilClass\u306etry\u3092\u9ad8\u901f\u5316 github.com \u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u5b9a\u7fa9\u3092 def try(*args) \u304b\u3089 def try(method_name = nil, *args) \u3063\u3066\u3059\u308b\u3060\u3051\u3067\u51e6\u7406\u901f\u5ea6\u304c\u4e0a\u304c\u308b\u307f\u305f\u3044\u3002 nilClass\u3060\u3051\u306a\u306e\u306f\u306a\u3093\u3067\u304b\u306a?\u3068\u601d\u3063\u305f\u3089\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306f\u5143\u3005\u7b2c\u4e00\u5f15\u6570\u3092 method_name \u3068\u3057\u3066\u3042\u3063\u305f\u3093\u3067\u3059\u306d\u30fc\u3002nilClass\u306f\u3069\u3046\u305bnil\u8fd4\u3059\u2026","type":"rich","title":"Rails\u30d7\u30eb\u30ea\u30af\u306e\u305e\u304d\u898b - 2018/10/10","author_url":"https://blog.hatena.ne.jp/devchick/"}