Today, the Complete Guide to Rails Performance has been updated to version 2.0. You can purchase it here. All existing purchasers have had their copies updated on Gumroad. When I started this project, I always believed that a digital course should be better than a typical paperback programming book. That’s why I don’t include any DRM or proprietary video codecs. That’s why I think, like most software, updates should be free. “Version 2.0” isn’t quite as drastic a change as a softw...
