Active Storage Blob¶ ↑ A blob is a record that contains the metadata about a file and a key for where that file resides on the service.| api.rubyonrails.org
Action Controller Parameters¶ ↑ Allows you to choose which attributes should be permitted for mass updating and thus prevent accidentally exposing that which shouldn’t be exposed.| api.rubyonrails.org
Declare a class-level attribute whose value is inheritable by subclasses. Subclasses can change their own value and it will not impact parent class.| api.rubyonrails.org
Methods| api.rubyonrails.org
Action View Tag Helpers Provides methods to generate HTML tags programmatically both as a modern HTML5 compliant builder style and legacy XHTML compliant tags.| api.rubyonrails.org
Active Record Relation.| api.rubyonrails.org
Namespace| api.rubyonrails.org
Active Record Calculations.| api.rubyonrails.org