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| # | Name | Comments | Duration | Released |
|---|---|---|---|---|
| 162 | Tree-Based Navigation (revised) | 93 comments | 10 minutes | Dec 01, 2012 |
| 370 | Ransack | 93 comments | 10 minutes | Aug 03, 2012 |
| 371 | Strong Parameters pro | 75 comments | 12 minutes | Aug 03, 2012 |
| 280 | Pry with Rails | 78 comments | 8 minutes | Aug 22, 2011 |
| 192 | Authorization with CanCan | 114 comments | 15 minutes | Dec 14, 2009 |