最简单的app也需要一些UI(就是用户所看到好）和与服务端的接口交互，用来获取有意义的信息。
模式图中显示的表之间没有关系EN我正在开发一个Rails应用程序，在这个应用程序中，我需要为来自Rails迁移...
Defaults to true. Create a user_id bigint column without an index add_reference(:products, :user, index: false) Create a user_id string column add_reference(:products, :user, type: :string) Create supplier_id, supplier_type columns add_reference(:products, :supplier, polymorphic: true) ...
add_foreign_key :orders, :carts, primary_key: [:shop_id, :user_id] generates:ALTER TABLE "orders" ADD CONSTRAINT fk_rails_6f5e4cb3a4 FOREIGN KEY ("cart_shop_id", "cart_user_id") REFERENCES "carts" ("shop_id", "user_id") Creating...
If I check the permission ID on the licenses or users than they do not show up in the SQL query in postgresql. I eventually for product and admin to add missing permissions via SQL. I did add a * permission for admin user. I am wondering if there is a debug mode to see the querie...
Once installed you will need to restart your application for the plugin to be loaded into the Rails environment. Usage In this new version of the Userstamp plug-in, the assumption is that you have two different categories of objects; those that manipulate, and those that are manipulated. For...
id(integer, primary key) user_id(integer) email(string) Express the relationship inActiveRecord: RubyCopy to clipboard classUser<ActiveRecord::Basehas_many:emailsendclassEmail<ActiveRecord::Basebelongs_to:userend Problem: when the user is removed, the email records related to the removed user stays...
an HTML, CSS, and JavaScript framework designed to simplify the process of making web projects responsive and mobile ready. By implementing Bootstrap in a Rails project, you can integrate its layout conventions and components into your application to make user interactions with your site more engagi...
$ ./script/generate model pet name:string user_id:integer Add a relationship in your User (has_many :pets) and Pet (belongs_to :user) models. Then add data to your migration file :you can use this one. Create the table : $ rake db:migrate ...
el_to_remove.fadeOut(1000) addresses.on 'cocoon:after-remove', (e, removed_el) -> recount() 地址 classAddress< ActiveRecord::Base belongs_to:essential end assesss.rb. classAddress< ActiveRecord::Base belongs_to:user has_many:addresses ...