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Mouseophobics – Ctrl-Enter on the RubyMine Commit Changes dialog will commit without you having to grab your mouse.
Rails Security Patches – The Rails team recently came out with 2.3.4 featuring security patches to fix the recently discovered vulnerabilities.
Apparently the plan was to also upgrade 2.2.2 to 2.2.3 with these patches, but they forgot to push the gems. They should be coming to a gem server near you soon.