ruby -v ---------- ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.2.1] ---------- gem i rails -v 4.0.0.beta1 ---------- Fetching: atomic-1.0.1.gem (100%) Building native extensions. This could take a while... Successfully installed atomic-1.0.1 Fetching: thread_safe-0.1.0.gem (100%) Successfully installed thread_safe-0.1.0 Fetching: activesupport-4.0.0.beta1.gem (100%) Successfully inst
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