开发者_运维知识库I have 3 classes - Mix, MixClip, and Clip. class Mix include DataMapper::Resource
How do you build a model with the following associations (i tried but couldn\'t get it to work): each Order has: a Customer, a SalesRep, many OrderLine that each has an item.
I\'ve come across a couple of ORMs that recently announced they are planning to move their implementati开发者_如何学Pythonon from Active Record to Data Mapper. My knowledge of this subject is very lim
I have a model, called delivery: property :id,Serial property :created_at,DateTime property :updated_at,DateTime
Does anybody know the magic incantation required to get a Sinatra application that uses DataMapper up and running on Heroku\'s Bamboo stack? The Bamboo stack doesn\'t include any pre-installed system
Can\'t understand why hooks don\'t work. I have the following model: class DirItem include DataMapper::Resource
I have this code in my controller: @cats = DirCat.all And this in a view: %ul#menu = @cats.each do |item|
I\'m doing a brief exercise, condensed below. The issue I\'m having is that I\'m able to pass a selection of all tickets, but not a selection of one ticket. At / there is no problem listing all the ti
I have a model Ticket which has n Comments belonging to it (many to one relationship). The issue is that I can not render any of the comments nor does the form post the comments to the database.
I have ruby program that is running into a stack level too deep (SystemStackError) error, ending on datamapper:
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