So I installed Ruby 1.9 into /usr/local/bin and kept Ruby 1.8.7 in /usr/bin. Renamed all my 1.8 ruby, rails, rdoc, etc. executables to ruby18, rails18, etc.So I installed Ruby 1.9 into /usr/local/bin and
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Mac上的Ruby 1.9 - Rails仍然加载1.8库？
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