similar to: Writing a Helper function

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 ==

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: # file application_helper.rb module ApplicationHelper def load_components @right_sidebar = ''some stuffs'' end end # file user_public/blog_helper.rb module UserPublic::BlogHelper def load_components ApplicationHelper.load_components @right_sidebar += ''{blog archive}'' end end the problem is, i want to load the

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:

I''m attempting to set up a rails app so that I can add rhtml files without having to create controllers for each one. I want a simple solution to serving static-like rhtml files as well as those with a little logic. The solution I found is this one: I added the following controller static_controller.rb ##################### class StaticController < ApplicationController end I

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 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.

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

How do you evaluate text as code in Ruby? I''m sure there''s a technical term for this... Thanks Chris -- Posted via http://www.ruby-forum.com/.

Is there a place for feature requesting? Rails uses the "@" prefix for vars in the request scope, why not add a prefix for the session scope? Instead of "session[:myvar]" it could then be something like "%myvar". -- Posted via http://www.ruby-forum.com/.

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",

How can I change some parameters in a function of the controller. I have a User_Controller, who''s responsible for update the information fields in the database. The parameters are "id", "firstname" and "lastname". Now, I want to manipulate parameter "lastname", because I would like to add at the end a point. >> Thomas Miller

Hi all I''m creating a shop page. I have a cart model that looks like the following: class Cart attr_reader :line_items def get_line_item id @line_items.each do |l| return l if l.id == id end end def initialize @line_items = [] end def empty! initialize end def empty? return true if @line_items.empty? false end end And I have some

Devlounge is looking for advanced RoR coders who may be willing to share their knowledge by writting quality articles on Ruby and what it can accomplish. These can be tutorials, discussions, opinion pieces, getting started guides, etc. You''re articles will be seen by 350-500 unique people daily! Plus, you''ll get a great link back in our killer authors index. To apply to be

I''ve got a weired problem. I got a RHTML page which is not rendered properly in the browser all other pages in my app do renders correctly. Only this one page returns the page''s HTML with the following header Content-Type: text/html Set-Cookie: _session_id=cb3c140fd4ef907c99ef203a053fba1a; path=/ Status: 200 OK Cache-Control: no-cache <html> .....................

I''m working on a form that updates a product record and several associated detail records. The detail records are showing and populating okay in the form. But when it hits the controller, I get Couldn''t find Detail with ID=detail AND (details.product_id = 38). The :detail params seem to refer to the correct record id. Anyone have an idea how to fix this? Here''s the

Hello there. Sometime ago I asked was the best way to retrieve data like an "union all", and unfortunely I could not find the URL on the forum. I asked about, for example, hotel rooms and reservation. On another case, I could ask for a plane occupation: a model that takes care of the sold tickets and another one with the reservations. To get the full map of the plane I need to get

I have some properties that I want setable externally, but readable only internally. I''ve played around with attr_writer (and attr_reader separately) but can''t figure out how to get either to work. I can do what I want using attr_accessor, or just straight out defining the prop setter method. Anybody know how to use attr_writer or attr_reader with a model? You da man, Joe

Hi. I''ve tried to redefine the method belongs_to in ActiveRecord::Base, so every time a model is defined as belonging to :attachment, it should have some additional methods. I tried to do an alias of belongs_to, but this was not successful. The error message in Webrick was > Booting WEBrick... ./script/../config/../lib/ActiveRecordExtensions.rb:67: undefined method