I came across this strange issue at work so I created a minimal app to highlight the problem. I have two models with a simple association:
I\'m still learning Ruby, and get caught up in alot of the \'mag开发者_高级运维ic\', wanting to better understand what is actually happening, and making sure that I understand what it is doing.
I\'m currently using a standard one-to-one relationship to handle parent/child relationships: class Category < ActiveRecord::Base
In the Rails 3 docs, the build method for associations is described as being the same as the new method, but with the automatic a开发者_如何学Cssignment of the foreign key. Straight from the docs:
I have a Proffesor table in a database. I would like to create an UML diagram开发者_JS百科 for the code-behind part.
I have a Blockable module that contains associations and methods to be included in a few other ActiveRecord classes.
Rails 2.3.8. I h开发者_StackOverflowave 3 models, User, Source, and Subscription. Userattr_accessible:source_ids
In applications like PDF Reader Lite, it\'s possible to associate PDF type with the app in such a way, when a PDF file will be opened in an app like Safari or Email, it will show an option to open the
I have a Topic that has many Posts. When a topic is created, it creates the first post along with it.
I have class Foo has_many :widgets end There\'s a place where I want to pull up all the widgets with a locked select. So, I want to do the equivalent of: