Yosemite is still in preview, everyone could join beta program and play with it. 我剛好就把 OS 升上 10.10，但遇到homebrew出現錯誤訊息。 /usr/local/bin/brew: /usr/local/Library/brew.rb: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby: bad interpreter: No such