osyo-manga https://blog.hatena.ne.jp/osyo-manga/ Secret Garden(Instrumental) https://secret-garden.hatenablog.com/ Ruby いつも忘れるので覚書 [Hash → JSON] Hash#to_json を使います。 require "json" dict = {name: :homu, age: 14} dict.to_json # = > "{\"name\":\"homu\",\"age\":14}" [JSON → Hash] JSON.parse を使います。 require "json" json = '{ "name" : "homu", "age" : 14 }' JSON.parse json # => {"name"=>"homu", "age"=>14} 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2015%2F07%2F12%2F220253" title="Ruby で JSON ⇔ Hash の相互変換 - Secret Garden(Instrumental)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2015-07-12 22:02:53 rich https://secret-garden.hatenablog.com/entry/2015/07/12/220253 1.0 100%