Changes in the Second Edition

All of the projects and code examples have been updated and tested to work with Rails 4. The projects also use up-to-date workflows for creating Rails plug-ins and interfacing with the framework.

In addition, Chapter 5, ​Streaming Server Events to Clients Asynchronously​, is brand-new; it covers Rails’s support for Server Sent Events and digs into eager loading and thread safety.

We also explore isolated and mountable engines and single-file Rails applications in this edition.

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