From: Zhenning Guan <g.zhen.ning@...>
Date: 2010-09-09T11:52:40+09:00
Subject: different in single star(*) and double stars(**)?

# Load any custom rakefile extensions
deprecated_paths =
Dir["#{RAILS_ROOT}/vendor/plugins/*/tasks/**/*.rake"].sort

the code in rails. and what's the different * and **?
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