{"height":"190","width":"100%","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://zucay.hatenadiary.org/","url":"https://zucay.hatenadiary.org/entry/20110120/1295512969","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzucay.hatenadiary.org%2Fentry%2F20110120%2F1295512969\" title=\"\u3010Rails3\u3011\u30ab\u30e9\u30e0\u306e\u8ffd\u52a0\u3092\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067\u66f8\u304f - \u3075\u308f\u3075\u308fRuby on Rails\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u3010Rails3\u3011\u30ab\u30e9\u30e0\u306e\u8ffd\u52a0\u3092\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067\u66f8\u304f","published":"2011-01-20 17:42:49","description":"\u7279\u306b\u30d7\u30ed\u30c8\u30bf\u30a4\u30d4\u30f3\u30b0\u3057\u3066\u3044\u308b\u6642\u306a\u3069\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u306b\u30ab\u30e9\u30e0\u8ffd\u52a0\u3057\u305f\u304f\u306a\u308b\u3053\u3068\u3001\u3088\u304f\u3042\u308a\u307e\u3059\u3088\u306d\uff1f\u3088\u306d\uff1f \u3088\u304f\u3042\u308b\u3053\u3068\u306f\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067\u697d\u3057\u307e\u3057\u3087\u3046\u3002 $ rails g migration AddColnameToTablename colname:string \u3053\u308c\u3067\u304aK(`\u30fb\u03c9\u30fb\u00b4) \u3048\u3001\u6700\u521d\u306b\u3061\u3083\u3093\u3068\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u3057\u308d\u3067\u3059\u304b\u305d\u3046\u3067\u3059\u304b(\u00b4\u30fb\u03c9\u30fb`)","categories":[],"image_url":null,"blog_title":"\u3075\u308f\u3075\u308fRuby on Rails","author_name":"zucay","author_url":"https://blog.hatena.ne.jp/zucay/","type":"rich"}