{"blog_title":"freee Developers Hub","type":"rich","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/so-takada-freee/20251114/20251114204443.png","author_name":"so-takada-freee","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevelopers.freee.co.jp%2Fentry%2Fruby-deadcode-detection-system\" title=\"\u5de8\u5927Ruby on Rails\u30b5\u30fc\u30d3\u30b9\u3067\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u30c7\u30c3\u30c9\u30b3\u30fc\u30c9\u3092\u6d88\u3059\u6280\u8853 - freee Developers Hub\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u5de8\u5927Ruby on Rails\u30b5\u30fc\u30d3\u30b9\u3067\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u30c7\u30c3\u30c9\u30b3\u30fc\u30c9\u3092\u6d88\u3059\u6280\u8853","categories":["Advent Calendar 2025","Ruby","\u30d4\u30c3\u30af\u30a2\u30c3\u30d7"],"author_url":"https://blog.hatena.ne.jp/so-takada-freee/","description":"\u3053\u306e\u8a18\u4e8b\u306f\u3001freee Developers Advent Calendar 2025 \u306e 12\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u3053\u3093\u306b\u3061\u306f\u3002freee\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3057\u3066\u3044\u308b\u9ad8\u7530\u3068\u7533\u3057\u307e\u3059\u3002\u666e\u6bb5\u306f\u30a8\u30f3\u30b8\u30cb\u30a2\u6a2a\u65ad\u7d44\u7e54\u3067\u5171\u901a\u57fa\u76e4\u30fb\u793e\u5185\u7528\u5171\u901a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u958b\u767a\u3057\u305f\u308a\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u306e\u958b\u767a\u652f\u63f4\u306a\u3069\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u8da3\u5473\u306f\u304a\u6563\u6b69\u3067\u3059\u3002 \u4eca\u56de\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u958b\u59cb\u304b\u3089\u4e3812\u5e74\u304c\u7d4c\u904e\u3057\u3066\u8907\u96d1\u306b\u306a\u3063\u305fRuby on Rails\u88fd\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u30c7\u30c3\u30c9\u30b3\u30fc\u30c9\u3092\u6d88\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u884c\u3063\u305f\u3053\u3068\u3092\u304a\u8a71\u3057\u307e\u3059\u3002 3\u884c\u30b5\u30de\u30ea \u30c7\u30c3\u30c9\u30b3\u30fc\u30c9\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306bcoverband gem\u3092\u5165\u308c\u3088\u3046\u3068\u3057\u305f\u3082\u306e\u306e\u3001\u5165\u308c\u305f\u3044\u30b5\u30fc\u30d3\u30b9\u306e\u898f\u6a21\u304c\u5927\u304d\u3059\u304e\u3066\u2026","published":"2025-12-12 09:00:00","blog_url":"https://developers.freee.co.jp/","version":"1.0","url":"https://developers.freee.co.jp/entry/ruby-deadcode-detection-system","height":"190","provider_name":"Hatena Blog"}