Created
June 23, 2014 16:21
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habtm: collection.build doesn't build join associations (unlike collection.create)
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| @user = User.first | |
| @project = @user.projects.build(:name => "Make your bed") | |
| # if you do @project.save here, as in the gist, | |
| # association will not be saved, but if you do : | |
| @user.save | |
| # it will save the @user with its associated projects |
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