Use dependent: :nullify in Rails associations to preserve child records when parent objects are deleted.
Ruby on Rails
How to enable file downloads using the link_to helper in Ruby on Rails.
How to automatically delete development logs in Ruby on Rails.
How to restrict Ruby on Rails routes with :only and :except.
How to fix Devise errors in Ruby on Rails 7.
Add a uniqueness constraint between two columns in Ruby on Rails.
Configure Rails decimal columns with precision and scale to prevent rounding errors.
Prevent Rails from throwing errors when including two redirects in an action
Comparing Ruby on Rails URL Helpers and Paths