英文: Eager loading with relations causes touch option not to work 问题 使用includes来预加载Active Record时，upd...
136评论activerecord
ruby-on-rails
使用关联进行急加载会导致touch选项不起作用。
136评论activerecord
ruby-on-rails
136评论activerecord
ruby-on-rails
为什么在工厂中出现了”必须存在卡片”的错误？如何解决它？
英文: Why i am getting this error in Factory: must be exist card? how can i solved it? 问题 只要我创建一个 'pos...
132评论activerecord
ruby-on-rails
如何解决在部署到Heroku时出现500状态的问题
英文: How to resolve 500 status when deploying to Heroku 问题 2023-02-15T20:31:47.060556+00:00 app[web.1...
139评论ruby
ruby-on-rails
Ruby on Rails ActiveRecord单表继承具有一个到超类的关联。
英文: Ruby on Rails ActiveRecord Single Table Inheritance has_one to superclass 问题 I have a Base class...
129评论ruby
ruby-on-rails
无法更新用户的 is_active 状态：user.update(is_active: true) 失败
英文: Can't update is_active on user: user.update(is_active: true) fails 问题 user.update(is_active:...
122评论activerecord
ruby-on-rails
生成总数从种子？ (ActiveRecord)
英文: Generating Total from Seeds? (ActiveRecord) 问题 Right now, I am learning ruby and activerecord, a...
119评论activerecord
ruby
Rails – 如何建模动态表单字段？
英文: Rails - How to Model Dynamic Form Fields? 问题 我有一个请求模型。请求有一个分类。我想要建立的是将一堆表单字段存储在数据库中。它们的类型、名称等。不同...
172评论activerecord
ruby-on-rails
如何在Rails中使用ActiveRecord / PostgreSQL更新has_many记录的时间戳？
英文: How to update timestamps for has_many records in Rails with ActiveRecord / PostgreSQL? 问题 表关联：表A...
139评论postgresql
ruby-on-rails
Rails many to many relations with has many through relationships
英文: Rails many to many relations with has many through relationships 问题 我有以下使用has_many :through关联的模型...
130评论activerecord
ruby-on-rails
如何以可扩展的方式在数据库中作废（软删除）一条记录。
英文: How to void (soft delete) a record in database in a scalable fashion 问题 目前我有一个名为 units 的表，包含以下列：...
139评论database
ruby-on-rails
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