<p><a href="https://qiita.com/iguchi1124/items/218e35a145f372062ea4" target="_blank" rel="nofollow noopener noreferrer">Rails5からbelongs_to関連はデフォルトでrequired: trueになる - Qiita</a></p>
<p><a href="https://blog.bigbinary.com/2016/02/15/rails-5-makes-belong-to-association-required-by-default.html" target="_blank" rel="nofollow noopener noreferrer">Rails 5 makes belongs_to association required by default | BigBinary Blog</a></p>
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<h1 id="%E3%83%81%E3%83%A3%E3%83%83%E3%83%88%E3%83%A1%E3%83%B3%E3%83%90%E3%83%BC%E5%8B%9F%E9%9B%86">
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<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__6df0834189265" src="https://embed.zenn.studio/card#zenn-embedded__6df0834189265" data-content="https%3A%2F%2Ftwitter.com%2FYumaInaura" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://twitter.com/YumaInaura" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://twitter.com/YumaInaura</a></p>
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<a class="header-anchor-link" href="#%E5%85%AC%E9%96%8B%E6%97%A5%E6%99%82" aria-hidden="true"></a> 公開日時</h1>
<p>2019-11-08</p>


Rails5 の belongs_to の required: false と optional: true の違いは？同じっぽい。

Original by Github issue

チャットメンバー募集

Twitter

公開日時

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