similar to: Eval class

I''m having a problem getting this example from the book to work: class Cookbook attr_accessor :title, :author def initialize @recipes = [] end def method_missing(m, *args, &block) @recipes.send(m, *args, &block) end end cb = Cookbook.new cb << recipe_for_cake cb << recipe_for_chicken beef_dishes = cb.find_all {|recipes| recipe.main_ingredient ==

I''m trying to figure out an elegant way to do this: I have the following three tables: people, employer, employees And consequently the following three models: class Person < ActiveRecord::Base end class Employer < ActiveRecord::Base has_many :employees end class Employee < ActiveRecord::Base belongs_to :person belongs_to :employer end I want to be able to say:

Hi -- Registration for RubyConf 2006 is still scheduled to open on August 2, in the early evening Pacific (US West Coast) time. Also, there''s more info at http://www.rubycentral.org/conference (e.g., the fact that this year we''re only taking credit cards, etc.). David P.S. Any LA area Rubyists around? I''ll be there this week doing Rails training. --

I''m using Rails-1.1.4 with Ruby-1.8.4 So let''s say I have 2 model classes: class Item has_and_belongs_to_many :things end class Thing has_and_belongs_to_many :items end i = Item.new i.things << Thing.new( :value => "Something").save i.things << Thing.new( :value => "Something Else" ).save i.save Fine, now I have two records in the

I have a users table. I have a assignment table. and I have to log in to see my assignments. i can and I hasve a session id. I can make a new assignment and save my id in the user_id field of the assigment table. I want to share my assignments. so I can create a assignments_users table. this way I can have assignment 1 shared with user 1 and 2. and If I log in as user 1 or 2 I see the assignment.

I''m trying to figure out how multiple partials in one page would be configured when they are based on some action in the controller. As an example - I have a main/welcome page. If someone new or a user not logged in arrives at this page I display both a registration form and a login form. However, if they are logged in then those forms should not show up on that page. Also should

I fired up my rails app after a few weeks, only to find it was broken, in that the variable seems to be losing it''s value somewhere between the controller and the view. I''ve broken it down to the absolute simplest test, and here is what I get: THE CONTROLLER (controllers/visits_controller.rb) class VisitsController < ApplicationController def list @test = "test"

In an early section on Action View, showing code being put directly into the rhtml file: <% require ''date'' DAY_NAMES = %w{ Sunday Monday Tuesday Wednesday Thursday Friday Saturday } today = Date.today %> <h1>Hello, Dave</h1> <p> It''s <%= DAY_NAMES[today.wday] %>. Tomorrow is <%= DAY_NAMES[(today + 1).wday %>. </p> I get this

Hello, How can I pass a hash as parameter from a template with url_for? e.g. : if I have test = { :a => "a", :b => "b" } How can I pass that with my request? Is it possible to pass nested hash''es to? Right now, url_for :action => :test, test doesn''t seem to work. Thank you, --

Is it possible to set up a list of checkboxes so that the form parameters are given in an array (eg {"delete_list" => [3,6,7]}) ? At the moment I''m using <%= check_box_tag "delete_list[#{post.id}]" %> ...which gives parameters looking like {"delete_list" => {"3" => "1", "6" => "1",

this might not be an ajax problem.. but i am stumped.. to cut out all the mess, here''s what i have a controller with this code: def test render(:layout => false) @data = params[:newOpp] end a partial which contains a form that has a button like this: <%= submit_to_remote("confirm","Confirm Entry", :url => {:action =>

What is the equivelant of the following SQL in rails: SELECT person, count(person) as occurance FROM invoice GROUP BY person; This would give something like: Person | Occurance -------------------- Bill 1 Joe 15 Carlos 7 etc etc.. It seems the fx. Person.count(..) will only yield the actual occurance, but not listed with the actual person - and Person.find(..) will not

Hi, ...i''m fairly new to ruby on rails, so maybe this is a simple question, but i''ve been racking my wits for a while now, but i can''t figure out why this isn''t working... i''m implementing some kind of a questioniere, so that when a user picks a certain answer, the value of that answer goes into a session variable that stores the amount of points

In the book there is an example how to convert DB payment value to more readable from. PAYMENT_TYPES array is defined and then in your views you can use it as Order::PAYMENT_TYPES. The problem is: how should I convert DB values (for example with type char(1)) to full string representation. I know that I can add a Hash to a model: IM = {''S'' => ''Skype'',

For expats from other languages, what''s the next best step after the Agile Web Dev book: Rails Recipes or Ruby for Rails? Thanks, -- Austin -- Posted via http://www.ruby-forum.com/.

class Page < ActiveRecord::Base has_many :lists end class List < ActiveRecord::Base belongs_to :page end ######### controller code, inside action: list = List.find(params[:id]) old_page = list.page list.page = new_page # what is the value of old_page now? old_page now is the same as new_page! what the heck?!? The only thing i can think of is that old_page is

Manning is running a contest: If you make the winning entry, you''ll win a $100 Manning Gift Certificate (hey, that''d be two copies of David''s awesome Ruby for Rails). the contest is to complete the phrase: Ruby is to Rails as ___________ is to __________________ The contest is at: http://www.manning.com/black/contest.php -- thanks, -pate

Hi, i was wondering if there was some kind of general line of code i could add to my application, anywhere i suppose, that would generate some kind of effect to notify the user that an effect is happening...it could be a box on the top of the screen or something, that would be like the small bar at the end of the browser that shows the user the status of a loading page ... i was hoping

I''ve spent the last several months learning RoR and building my first app. I''ve not used migrations yet and honestly don''t understand them much, and have not had my app under version control. I''ve decided it''s time (I know, some will say way past time ;-) ) to put the app under version control. I''ll be using Subversion and have begun working

Hi, Ruby 1.8.4 Rails 1.1.4 Windows XP Pro I''m hitting an issue with migrations that I suspect relates to pluralization. Here''s the migration: class Hardware < ActiveRecord::Migration def self.up create_table :hardware do |h| h.column :vendor, :string, :limit => 32 h.column :model, :string, :limit => 32 end