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Hello all, I am new to RoR and am working my way through Timothy Fisher''s Ruby On Rails Bible. I''m stuck on page 81. I have followed the steps leading to this page, i.e. cd rails_projects rails contactlist <creates all the directories> ruby script/server webrick <shows the Welcome Aboard page> open a cmd window and run mysql: create database contactlist_development;

Could someone explain this? #config/initializers/ar_attributes.rb module ActiveRecord module AttributeMethods alias_method :ar_read_attribute, :read_attribute def read_attribute(attr_name) p "read_override" ar_read_attribute(attr_name) end alias_method :ar_write_attribute, :write_attribute def write_attribute(attr_name, value)

In my application a user working at a dropzone can manipulate transactions against customer accounts. Here''s my models: class Transaction < ActiveRecord::Base belongs_to :account end class Account < ActiveRecord::Base belongs_to :dropzone has_many :transactions end class Dropzone < ActiveRecord::Base has_many :transactions, :through => :accounts do def

Hi Gurus, I have a class, specified in models cart.rb, which doesn''t inherit from anything--it''s just a container class Cart ... I just discovered I can''t call number_to_currency in that class. Any idea how to "include" it in my code? I tried ActionView.number_to_currency without luck. I could kill a few lines of non-DRY regexp code in cart.rb if I could

So I have 2 models: Picture and Comment. Pictures have many Comments, but I''d like for users to be able to post Pictures in Comments, so Comments will have one Picture (possibly). This creates a kind of circular relationship it looks like, and the only way I could think of to implement this is with has_and_belongs_to_many. Am I right, or is there a better way to do this?

I''ve spent hours researching the subject and have tried many test sequences in IRB, and rails console but I''m just having trouble making headway into what is probably a very easy subject. I understand arrays with at least 4 other languages but with Ruby I haven''t found a mental connection with how I can assign variables to arrays.. Take for example: def