I\'m develop a web app with Rails 3.0.9 and Postgres 9.4 I\'m trying to create a join table for a has_and_belongs_to_many association, but when execute \"rake db:migrate\" the only one not executed mi
I have two models, \'product\' with \'belongs_to\' and \'category\' with \'has_many\'. Product has a foreign key \'category_id\'. And in the form product/_form I\'m trying to include category field wi
I have two items, users and posts, and a join table linking them together.The two items have a has_many relationship with each other (:through the join table).I created the join table after creating t
Product controller: def update params[:product][:category_ids] ||= [] @product = Product.find(params[:id])
Hey I was trying to make an association in devise so a user can just have a link to his association (like he can just click new post and he can make it) but i cant make it in devise like regular rails
hey I asked a question here Rails association help , this person directed me to learn nested attributes here , http://railscasts.com/episodes/196-nested-model-form-part-1 , and here http://ra开发者_如
I\'m developing an e-store app using ruby on rails and I\'m a bit confused about the model associations. It would help me if someone could give开发者_开发技巧 me an idea about the tables and their ass
I\'ve been thinking about object-oriented principals / practices / paradigms such as SOLID, Law of Demeter, and DDD a lot lately and a theme that continues to surface is enforcing object cardinality.
Yuck. It\'s bringing me down. In my controller: @assessor = Assessor.find(params[:id]) @assessor.answers.build if @assessor.answers.empty?
I have two models: First: class CountryList < ActiveRecord::Base has_one :country, :dependent => :nullify
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