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
Polymorphic associations in Rails allow a single model to belong to multiple models. This article covers them in-depth. We'll start with understanding the concept of polymorphism, learn what a polymorphic association is, why we need them, how they work, and how to use them in your Rails application.| Write Software, Well