As I\'m not yet fluent in Ruby, I\'m having struggling to construct an elegant solution for sorting in my Rails3/DataMapper project.
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I am getting the following error: $ rake db:drop (in D:/Repository/MyApp) ~ [datamapper] Setting up the \"development\" environment:
I am going to migrate from rails 3 app, that used AR and arel to datamapper. I love chains of scopes like Person.where(...).where(...).somescope.paginate(...).order(开发者_C百科...). how to migrate fr
I\'ve been trying to sear开发者_C百科ch and figure this on my own, but no luck so far :( I\'d like to create MySQL triggers using DataMapper (or any other Ruby db adapter). Is this possible?
Article has many authors, editors, translaters, etc. All of class Person. Is it possible to generate join model? Or, in this case, solution is to create each join models manually.
I have an existing PostgreSQL database that I want to access with Ruby DataMapper. I have created my models according to the existing database schemata, but primary keys are not auto incremented.
Update: I\'ve switched to CarrierWave (finally got it to work), so although I still appreciate answers to this question I won\'t be able to try if they actually work since I\'ve completely removed DM-
I have the following datamapper model: class List include DataMapper::Resource property :id, Serial property :author, String, :required => true,
require \'active_support\' # for Time.now.to_s(:db) require \'user\' # user.rb has DataMapper \'property :registered_at, DateTime\'
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