Environment: Rails 3.0.6 and MySQL I have the following two models: class Employee < ActiveRecord::Base
I am trying to get my head around how to deal with my Products <-> Categories relation. I am trying to build a small shop in rails and I want to make a navigation out of the category tree.
In the context of data modeling, what is the difference between 开发者_如何学Cthose terms: \"Association\" and \"Relation\" ?A \"relation\" is the mathematical term for a \"table\".
I\'ll start by pasting the relevant code and then I\'ll explain later what I am trying to do class User < ActiveRecord::Base
What is the correct association for this problem? There are three models: Residents Parties Addresses Each Resident and Party has an Address
There\'s a form on my site allowing to update an object (i.e. Book). The book contains the field author_id which references the Author class.
Please help to understand how to do @project.payments having this开发者_运维百科 tree: Project |__Stages
I am using Ruby on Rails 3.0.7 and, for performance reason, I would like to avoid loading associated objects on retrieving a class obect. That is, if I have an Article class\\model with a has_many :us
I am new to testing and factory_girl, and I want to create factories using factory_girl for a has_many through association.
Ok so here goes. I don\'t know if I\'m over complicating things or if I\'m just still so new to Rails that I don\'t understand the basics. What I want in sudo code is this: