{"published":"2014-11-10 00:03:37","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/lacolaco/","author_name":"lacolaco","blog_url":"https://lacolaco.hatenablog.com/","provider_url":"https://hatena.blog","width":"100%","categories":[],"type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flacolaco.hatenablog.com%2Fentry%2F2014%2F11%2F10%2F000337\" title=\"\u30e1\u30ab\u3089\u3053\u958b\u767a\u65e5\u8a8c v3.1.0 - \u4f59\u767d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","description":"\u8ae6 heroku\u3067\u5f62\u614b\u7d20\u89e3\u6790\u3068\u6587\u7ae0\u751f\u6210\u3055\u305b\u308b\u306e\u306f\u8ae6\u3081\u307e\u3057\u305f\u3002\u3067\u3082\u3084\u3063\u3071\u308aDart\u3067\u66f8\u304d\u305f\u3044\u306e\u3067\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u7684\u306a\u5f79\u5272\u3092\u5b8c\u5168\u306b\u306a\u304f\u3057\u3066\u3068\u308a\u3042\u3048\u305abbop\u3060\u3051\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002 Dart\u306emongo_driver\u3068redstone_mapper_mongo\u3068List\u304c\u30af\u30bd _mongodb.findOne\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u3002\u8981\u7d20\u304c\u7a7a\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u30bb\u30ec\u30af\u30bf\u4ed8\u304d\u306efindOne\u3092\u3084\u308b\u3068null\u306b\u5bfe\u3057\u3066\u30bb\u30ec\u30af\u30bf\u9069\u7528\u3057\u3066\u30e9\u30a4\u30d6\u30e9\u30ea\u5074\u3067\u843d\u3061\u308b\u3002\u30af\u30bd\u3002\u3057\u3087\u3046\u304c\u306a\u3044\u304b\u3089find\u3057\u3066Dart\u5074\u3067where\u3057\u3066\u7a7a\u3058\u3083\u306a\u3051\u308c\u3070first\u53d6\u308b\u3068\u304b\u3044\u3046\u30af\u30bd\u3081\u3093\u3069\u304f\u3055\u3044\u3053\u3068\u3084\u3063\u3066\u308b\u3002List#firstWhere\u304c\u30de\u30c3\u2026","url":"https://lacolaco.hatenablog.com/entry/2014/11/10/000337","image_url":null,"blog_title":"\u4f59\u767d","title":"\u30e1\u30ab\u3089\u3053\u958b\u767a\u65e5\u8a8c v3.1.0","version":"1.0"}