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| # | Name | Comments | Duration | Released |
|---|---|---|---|---|
| 373 | Zero-Downtime Deployment pro | 69 comments | 12 minutes | Aug 09, 2012 |
| 399 | Autocomplete Search Terms pro | 90 comments | 17 minutes | Dec 31, 2012 |
| 376 | JRuby Basics | 81 comments | 10 minutes | Aug 30, 2012 |
| 372 | Bullet | 60 comments | 6 minutes | Aug 09, 2012 |
| 23 | Counter Cache Column | 69 comments | 7 minutes | Apr 25, 2007 |