https://b.hatena.ne.jp/entry/s/api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html Ruby on Rails 8.1.2 Module ActiveRecord::NestedAttributes::ClassMethods activerecord/lib/active_record/nested_attributes.rb Active Record Nested Attributes¶ ↑ Nested attributes allow you to save at... https://b.hatena.ne.jp/hujuu/20230201#bookmark-374877271 “accepts_nested_attributes_for” 2023-02-01T02:39:58Z https://b.hatena.ne.jp/machupicchubeta/20191227#bookmark-4679227817125077858 NestedAttributes 2019-12-27T02:13:23Z rails https://b.hatena.ne.jp/katz1955/20181213#bookmark-374877271 2018-12-13T12:30:18Z *Rails https://b.hatena.ne.jp/kotsan/20170723#bookmark-16256081 2017-07-23T14:11:39Z https://b.hatena.ne.jp/nyangry/20170118#bookmark-16256081 2017-01-18T10:01:41Z Rails https://b.hatena.ne.jp/sylph01/20160808#bookmark-16256081 2016-08-08T04:40:45Z accepts_nested_attributes_for rails https://b.hatena.ne.jp/babababand/20160701#bookmark-16256081 2016-07-01T05:07:26Z accepts_nested_attributes_for https://b.hatena.ne.jp/nabinno/20160316#bookmark-16256081 2016-03-16T03:26:30Z ruby-on-rails ruby activerecord activerecord-nestedattributes accepts_nested_attributes_for https://b.hatena.ne.jp/hintoku/20160208#bookmark-104487574 2016-02-08T08:42:54Z https://b.hatena.ne.jp/inouetakuya/20160119#bookmark-16256081 2016-01-19T03:01:36Z rails https://b.hatena.ne.jp/atsuo0318/20150719#bookmark-16256081 2015-07-19T10:21:35Z rails https://b.hatena.ne.jp/kotaroito2002/20150609#bookmark-16256081 2015-06-09T11:03:43Z rails active-record https://b.hatena.ne.jp/shimpeiws/20150309#bookmark-16256081 2015-03-09T12:42:59Z rails https://b.hatena.ne.jp/yuphiel/20150120#bookmark-16256081 2015-01-20T00:34:09Z https://b.hatena.ne.jp/syo_t_2/20140804#bookmark-16256081 2014-08-04T08:21:49Z https://b.hatena.ne.jp/suginoy/20140729#bookmark-16256081 はてブ20も付いとるな。 2014-07-29T07:22:06Z Rails https://b.hatena.ne.jp/mumi/20140612#bookmark-16256081 2014-06-12T05:50:55Z Ruby https://b.hatena.ne.jp/kazuph1986/20140502#bookmark-16256081 “posts_attributes” 2014-05-02T06:16:52Z create attribute accepts_nested_attributes_for activerecord rails nested https://b.hatena.ne.jp/kitokitoki/20140214#bookmark-16256081 2014-02-14T07:28:36Z rails accepts_nested_attributes_for https://b.hatena.ne.jp/yss44/20131110#bookmark-16256081 nestしたModelを扱う方法@Rails 2013-11-10T14:33:18Z ActiveRecord rails nested https://b.hatena.ne.jp/InoHiro/20131019#bookmark-16256081 2013-10-19T07:00:56Z Rails https://b.hatena.ne.jp/serihiro/20131012#bookmark-16256081 reject_ifの使い方。これで更新したくない場合の子モデルの状態を定義できる。これで今抱えてる更新フォームを表示する時に子モデルが一件もない場合でもforms_for使いたい問題は解決できるかも 2013-10-11T15:25:12Z rails activerecord https://b.hatena.ne.jp/mitukiii/20130729#bookmark-16256081 2013-07-29T07:23:39Z https://b.hatena.ne.jp/kobake/20130717#bookmark-16256081 2013-07-17T08:23:46Z https://b.hatena.ne.jp/sngmr/20121207#bookmark-16256081 2012-12-06T17:52:23Z rails https://b.hatena.ne.jp/ngtk_ma/20120803#bookmark-104487574 :reject_if オプション。nested_attributesを使うとき、子のフォームが空で送られてきたら保存ロジックから取り除く。 2012-08-02T15:56:33Z rails https://b.hatena.ne.jp/bigt23/20120229#bookmark-16256081 rails attributes 2012-02-29T14:44:47Z rails https://b.hatena.ne.jp/closer/20100223#bookmark-16256081 2010-02-23T14:55:21Z ActiveRecord rails https://b.hatena.ne.jp/nogoochi/20091124#bookmark-16256081 2009-11-23T16:28:00Z rails https://b.hatena.ne.jp/mothprog/20091029#bookmark-16256081 2009-10-29T03:30:10Z rails https://b.hatena.ne.jp/re_shikajiro/20090925#bookmark-16256081 2009-09-25T10:53:22Z