I\'ve been trying to use the has_many_polymorphs plugin with rails 3 but I get this error that I have no idea how to resolve: https://stackoverflow.com/questions/5773379/how-do-i-patch-this-error-that
Basically I want a Topic to have many Posts and Posts to have many Comments. If a Post gets destroyed I want it\'s Comments to be destroyed. If a Topic is deleted, I want it\'s Posts and Comments dest
I have a simple database with two tables: 开发者_运维知识库Photo and Tag.There is a one-to-many (a photo can have many tags) relationship between the two tables.Here is a diagram:
I created 2 models usin开发者_开发百科g scaffolding with Rails 3. The models are Locations and Jobs and each job has a location.
model Post # ActiveRecord associations have tons of options that let # you do just about anything like:
I\'m trying to figure out how to best way to create associations for the following models: User Category
I\'ve been searching for a while now, but google isn\'t really helping me. The ArgumentError Unknown key(s): client_id appears in the ProjectsController:
How can I efficiently check several thousand rows against a table of keywords? I have two tables, Essays and Tags. They are tied together by a has_and_belongs_to_many association.
I\'m using some open gov data in MYSQL which I\'ve imported into my rails App. I\'ve extended the database with some of my own tables, and use the rails provided column ids in my tables.
Trying to set up very basic association between Customer and Contact model. Customer has_many :contacts
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