Sign in through GitHub
Performing Calculations on Models

#14 Performing Calculations on Models

Apr 04, 2007 | 2 minutes | Active Record
Did you know ActiveRecord provides class methods for performing calculations on models? You can even use these methods through associations.
Click to Play Video ▶
  • Download:
  • mp4Full Size H.264 Video (5.44 MB)
  • m4vSmaller H.264 Video (3.69 MB)
  • webmFull Size VP8 Video (9.95 MB)
  • ogvFull Size Theora Video (7.19 MB)
Avatar
Matt Grande about 5 years ago

What's that funky thing showing your SQL in the background?

Avatar
roller8 about 5 years ago

@Matt: I think you're referring to "tailing the development log". It's a technique for watching what's getting written to the log in real time.

Avatar
Alexey Lukin about 1 year ago

tail -f log/development.log

First sign in through GitHub to post a comment.