rails g model
The code is okay but you are in the wrong directory. You must run these commands inside your rails project-directory. The normal way to get ...,在早先的Rails 版本中,是使用編號1,2,3 來指名執行的順序,但是如果有不同分支多人開發就可能 ... 執行rails g model 時,Rails就會順便新增對應的Migration 檔案。 ,在Rails 5.1 之後的版本,belongs_to 關聯的model 預設改成必填了,也就是一定要有。透過 optional ... rails g model comment content:text commentable_id:integer ... ,跳到 Generating a Model - This time we'll create a Comment model to hold a reference to an ... rails generate model Comment commenter:string body:text ...
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![]() rails g model 相關參考資料
rails generate model - Stack Overflow
The code is okay but you are in the wrong directory. You must run these commands inside your rails project-directory. The normal way to get ... https://stackoverflow.com Ruby on Rails 實戰聖經| Active Record - 資料庫遷移(Migration)
在早先的Rails 版本中,是使用編號1,2,3 來指名執行的順序,但是如果有不同分支多人開發就可能 ... 執行rails g model 時,Rails就會順便新增對應的Migration 檔案。 https://ihower.tw Ruby on Rails 實戰聖經| ActiveRecord - 資料表關聯
在Rails 5.1 之後的版本,belongs_to 關聯的model 預設改成必填了,也就是一定要有。透過 optional ... rails g model comment content:text commentable_id:integer ... https://ihower.tw Getting Started with Rails — Ruby on Rails Guides
跳到 Generating a Model - This time we'll create a Comment model to hold a reference to an ... rails generate model Comment commenter:string body:text ... https://guides.rubyonrails.org |