similar to: Saving attribute

undefined method `each'' for 0:Fixnum at line @school = School.find_by_title(params[:school_id].gsub(''-'', " ")) for team in @school.teams ........ end @school does exist cause i tried with .find(:first) and it gave the same error. Also I''m getting undefined method `reject'' for #<Game:0x24ca1c4> From @home.game_ids = @game

I have a form with contingent select boxes (the state is contingent on the country selected, so when the country selected changes, the state changes -- I am using the Carmen plugin for getting my state names and country names together, but not the functionality I am interested in achieving). Everything works fine except I cannot figure out how to amend my code such that: A. When the form is first

Hello. I''m trying to do the video tutorial "how to build a blog engine in 15 minutes with ruby on rails" from the main rubyonrails website, and I''m getting an error when I try to use scaffold :post after editing my config file for the mysql database. Here is the exact error I''m getting: ActiveRecord::StatementInvalid in BlogController#index

Looking for suggestions on following two queries. Query 1 ------------------------------ Are the two following lines of code different in Ruby / Rails ( in a *.html.erb) file. <% if @forms.count != 0 %> <!-- first code --> Vs. <% if @forms.count %> <!--second code --> @forms is an array of objects. Coming from "C" language development background, i thought

I can''t get my view to display the most recent parameters from an associated object in a view... here is a birds-eye of my app: I have two models, Ferms and Kinetics. Ferm has_many :kinetics, Kinetic belongs_to :ferm. Kinetic has the fields ferm_id, brix and temp. In my ferms/index view I have a table listing the attributes of each ferm instance. I would like to display the most recent

Rails documentation gives examples of using option_groups_from_collection_for_select with two tables/objects. How could it be done with one? Example that almost works: I have a form to enter address from both the United States and Canada. It has the following: ====new.html.erb==== <%= select_tag( :state, option_groups_from_collection_for_select( State.countries, :country,

Howdy everyone. I am using modalbox which is very nice an easy to use. I have this for an edit for a company listing: <td><%= link_to(''Manage Companies'', {}, :onclick => ''Modalbox.show(\''/ companies/edit/#{company.id}\'', {width: 600}); return false;'') %></td> The link is not putting the company.id in it puts #{

Hi Hoping someone has had experience with this or can tell me where to start investigating. I''ve got a Rails app with Devise authentication running on a server cluster behind a load balancer, so requests to the website will alternately hit one server, or the other. My problem occurs when I try to register a new user. Everything goes fine, I get the confirmation email, I click the link,

Assuming you have Person that has_many :messages, what will it happen if it has 10000 messages? Will rails attempt to initialize @person.messages with 10000 rows from database? If that is the case, is combining finder_sql and counter_sql the common practice to avoid this? Bogdan _______________________________________________ Rails mailing list

Hi In my app , a user can create a set of question then a table is dynamily created , in the database,to store the answers of the questions. the name of the table is answers_x (x is the id of the questionniare). Is it possible to dynamicly create a model, to handle the answer_x tables ?? I can''t manually create a model then restart the server.

Hi I have a strange problem, I am using the below code form_remote_tag :url => ''/abc/test'',:before => "return hello();", :update=>''test_categories'' ,:complete => "Element.hide(''spinner'')", :loading => "Element.show(''spinner'')" do I am using :before=> function to validate the

[~/kallori]# rake db:migrate (in /home/gm/kallori) no such file to load -- hmac-sha1 /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'' /home/gm/kallori/vendor/rails/activesupport/lib/active_support/ dependencies.rb:510:in `require''

I have table which stores multiple entries. Each row has user_id, game_id and a pick_id. On a page the user has to make load of choices. All this gets submitted. the html looks like so: <input type="hidden" name="game_id" value="3"> <input type="hidden" name="user_id" value="19"> <select name="pick[3]"> ....

describe PlayersController, "handling GET /saltmines/games/1/players" do before do @game = mock_model(Game, :to_param => "1") @game.stub_association!(:players, :find => mock_model(Player)) end def do_get get :index, :game_id => @game end it "should be successful" do do_get response.should be_success end it "should

I have the an error such as undefined method ''each'' pls can any one find the error from the code given below <center><%=@b%></center> <center><h2>WELCOME IN YOUR PROFILE</h2> <%@usercart=Usrecart.find_by_user_id(@b)%> <%if @usercart.blank?%> <br> <br> <br> <br> <h2>THERE IS NO

I have this in a model: class GenreBadge < ActiveRecord::Base belongs_to :game, counter_cache: :genre_badges_count, touch: true belongs_to :genre validates :game_id, uniqueness: {scope: :genre_id}, allow_blank: true end When I get one existing genre badge genre_badge = game.genre_badges.first genre_badge.game_id = nil genre_badge.save! It creates an validation exception:

I have a table called players and its model Player, and I have a table called games and its model Game. In the games table I have: player1_id int(11) player2_id int(11) I want the tables to be associated so that I can access the player objects using table.player1 and table.player2 rather than having to lookup the objects based on the ids. I am not sure how to go about this but I suspect I

Hi all I am new to Rails, and obviously I''m missing something, I''ll get straight to the question: A User has many operations (granted to her), each Operation is associated with an OperationType. Each Operation may be associated with more then one User. So the model goes like this: class User < ActiveRecord::Base has_and_belongs_to_many :operations

Really stupid question, but have you wrapped this all in an App class? If you don''t have a wxApp subclass driving your applications then all sorts of badness would happen. > I''m writing a custom little application for my boss''s high school > football team to track there stats play by play. > > My problem is that when I start the application, it

Hi I just played (and won) my first ever game of SpaceMonkeys, using wxruby2. Seems totally crash-free on OS X a