If built-in documentation fails to answer your questions, you can find more information on the web. The following resources are available:
- Official JetBrains home page.
- RubyMine and Ruby plugin community.
- Online version of documentation contains the latest updates.
- Collection of articles, white papers etc.
Finally, do not miss the JetBrains TV ( ). On the JetBrains TV page, choose the desired channel, and watch screencasts.