Introduction to MongoDB – Part III, MongoMapper & Rails

by Charles Max Wood on December 7, 2009


This is the third and final episode on introduction to MongDB. In this screencast, we demonstrate MongoMapper and how to use it in a Rails app.
Download 21.8 MB
Download (iphone & ipod) 9.5 MB

Tagged as: mongoDB, rails, ruby

  • Ramesh Kunhiraman

    I am getting an error message when I run this application
    undefined method `collection’ for nil:NilClass

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