When I started to code my sinatra application I never used it before. Note that I had and still have no experience with RoR. I had one .rb file and one .haml and was happy. Now I had to split .rb file into about 10 'library' files as the whole application gets more and more complex.When I started to code my sinatra application I
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如何将（sql）数据库添加到我的sintra应用程序？
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