Sign in through GitHub

Please read for an updated status on RailsCasts:

Learn more or hide this

Tracking Attribute Changes

#109 Tracking Attribute Changes

May 21, 2008 | 7 minutes | Active Record, Rails 2.1
Rails 2.1 keeps track of the changes you make to a model's attributes. It also allows you to see what the previous value was. But watch out for the gotcha! See this episode for details.
  • Download:
  • mp4Full Size H.264 Video (8.73 MB)
  • m4vSmaller H.264 Video (6.64 MB)
  • webmFull Size VP8 Video (16.6 MB)
  • ogvFull Size Theora Video (9.96 MB)