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| # | Name | Comments | Duration | Released |
|---|---|---|---|---|
| 115 | Model Caching (revised) | 426 comments | 12 minutes | May 13, 2013 |
| 364 | Active Record Reputation System | 105 comments | 10 minutes | Jul 09, 2012 |
| 343 | Full-Text Search in PostgreSQL pro | 131 comments | 16 minutes | Apr 17, 2012 |
| 120 | Thinking Sphinx (revised) | 44 comments | 10 minutes | Dec 09, 2011 |
| 189 | Embedded Association | 83 comments | 14 minutes | Nov 23, 2009 |
| 178 | 7 Security Tips | 64 comments | 14 minutes | Sep 07, 2009 |
| 145 | Integrating Active Merchant | 91 comments | 18 minutes | Jan 19, 2009 |
| 120 | Thinking Sphinx | 114 comments | 12 minutes | Jul 28, 2008 |