is there a full setup guide for mongo_mapper, haml, rails3 and devise, for the current git (master) branches? a lot of things changed in all of those frameworks/li开发者_运维问答bs lately. i was wonde
Let me preface this by saying I\'m a total rails noob. I\'ve just written a migration but when I try to run rake db:migrate --trace I get this error.
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