I have an application that allows for users to create questions, create answers to questions, and \'like\' answers of others. When a current_user lands on the /views/questions/show.html.erb page I am
i implementing a products catalog, that looks, like this: group 1 subgroup 1 subgroup 2 item 1 item 2 ... item n
I\'m new to MongoDB and I\'ve used RDBMS for years. Anyway, let\'s say I have the following collections:
I have a bash script that takes a file 开发者_如何学运维name as an arg.It works great from the command line.When I right-click a file in KDE and select \"open with\", then point it to my script, it do
In my Rails application there is a model that has some has_one associations (this is a fabricated example):
class Customer < ActiveRecord::Base has_one:address, :foreign_key => \"customerid\" end class Address < ActiveRecord::Base
I can\'t seem to figure out how to do this. I am trying to pass four different variables to a single table. To be more specific I am trying to create a \"like\" in a likes table that also captures the
What is the importance of association multiplicity in class diagrams? Why and when should we indicate them?
I have two models Users and Roles.I have setup a many to many relationship between the two开发者_运维知识库 models and I have a joint table called roles_users.
I\'m new to the Ruby world, and there is something unclear to me in defining associations between models. The question is: where is the association saved?
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