• You Need to Know About Ruby on Rails
  • Introduction
  • 1. ActiveRecord
    • 1.1. persisted? vs new_record?
    • 1.2. where.not
    • 1.3. delete vs destroy
    • 1.4. validates_with
    • 1.5. custom validators
  • 2. ActionController
    • 2.1. get a list of all the filters
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You Need to Know About Ruby on Rails

ActiveRecord

  • persisted? vs new_record?
  • where.not
  • delete vs destroy
  • validates_with
  • custom validators