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| # | Name | Comments | Duration | Released |
|---|---|---|---|---|
| 400 | What's New in Rails 4 | 115 comments | 20 minutes | Jan 04, 2013 |
| 398 | Service Objects pro | 114 comments | 12 minutes | Dec 18, 2012 |
| 390 | Turbolinks | 114 comments | 7 minutes | Nov 05, 2012 |