Is there a way to load calculated values i开发者_StackOverflownto an entity using Doctrine2? For example, if a question has votes (the votes table having a foreign key from the question table), using
For example: I need to retrieve a set of male User\'s IDs, First Names, and Last Names, but nothing else.
Which ORM is best to use with a new Rails 3 app against a legacy MySQL 5.1 database? I do not expect to ever run a migration against this database (though the schema may change from time to time), but
as said on the dm-rails gem site (https://github.com/datamapper/dm-rails) i m doing *rails new project_name -m http ://datamapper.org/templates/rails.rb -d mysql*
I have a user model in my Sinatra application that requires the user to enter an email a password and a confirmation of the password. Something along the lines of this:
I\'m working with DataMapper and trying to use associations between models Project and Task.I have the models in separate files project.rb and task.rb.When I try associating them with each other I get
I\'m creating a very simple timeshare application using Sinatra and Datamapper. Every user in the application will have n reservations and for the time being each reservation runs from Monday to Sunda
I want to be able to put entries in my database where the manufacturer will be represented multiple times but not the same combination of manufacturer and model.
After all the hussle about Rails 3, can I, after all, painlessly use开发者_如何学编程 DataMapper without almost changing my ActiveRecord code so that I could run my Rails at GAE without any bother?Wel
This code is failing on the last line specifically due to the check for table_exists? How do I correctly do this in Datamapper?
加载中,请稍侯......