similar to: gmaps4rails: undefined method `model_name' for NilClass:Class

Hi guys, I just started using Ruby on Rails. After implementing the RoR blog tutorial I started with my own data model. Sadly I am not able to get my create page running. Model: class Activity < ActiveRecord::Base validates :activity, :presence => true validates :forKids, :presence => true validates :start_date, :presence => true end Controller: class ActivitiesController <

Just FYI I created a gem to easily integrate google maps within Rails3: - geocode - display styled markers, polylines, polygons, destinations... There is much configuration to fit your needs. It was presented here: http://rubyshow.com/episodes/157 The source is here: https://github.com/apneadiving/Google-Maps-for-Rails Wiki is here: https://github.com/apneadiving/Google-Maps-for-Rails/wiki

Hi all, I started to see fun of gmaps4rails gem from https://github.com/apneadiving/Google-Maps-for-Rails. After everything done. When visited the locahost, i got the following error. undefined local variable or method `acts_as_gmappable'' for #<Class: 0x31a9da8> the error is due to i have line "acts_as_gmappable" in my model. Anybody knows how this is

Hi! I know that there are other topics about this issue, I read them and I''m always blocked. Here is the error message: undefined method `model_name'' for NilClass:Class Extracted source (around line #30): 27: 28: <h2>Add Translation</h2> 29: 30: <%= form_for @new_trad do |f| %> 31: Locale: <%= f.text_field :locale %> 32: Key : <%=

Hi, i got search which shows following error ActionView::Template::Error (undefined method `model_name'' for NilClass:Class): 1: <%= form_for(@employee) do |e| %> 2: EMP ID<%= e.text_field :id %><br> 3: <%= e.submit ''search'', :controller => ''employees'', :action => ''search1'' %>

I am new to Ruby on Rails and have a very simple foreign key example that is driving me nuts. I am using Rails 3 under Windows Vista and have two tables: users and user_comments. user_comments.user_id should point to the user a comment is about. In my show view for user I have a link to the new method of user_comments to allow a comment to be created. This throws: Showing

Never seen the error above before, code: describe "edit action" do it "edit action should render edit template" do food = Food.create(:name=>''mooo'') # Food.any_instance.stubs(:valid?).returns(true) get :edit, :id => food.id response.should render_template(:edit) end end -------------- next part

In the example below, what is the dash doing between the class attribute and array: (field_helpers - [:label, :check_box, :radio_button, :fields_for, :hidden_field, :file_field]).each do |selector| -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hi Guy, Anyone know how we can set up the vnc password during using virt-install command ? # virt-install \ --connect qemu:///system \ --name demo \ --ram 500 \ --disk path=/var/lib/libvirt/images/demo.img,size=5 \ --network network=default,model=virtio \ --vnc \ --cdrom /dev/cdrom

I got a following error. NoMethodError in Book#new Showing /home/amrit/boook/app/views/book/_form.html.erb where line #1 raised: undefined method `model_name'' for NilClass:Class The content of _form.html.erb file are: <%= form_for(@post) do |f| %> <% if @post.errors.any? %> <div id="error_explanation"> <h2><%=

Hi all, I''m building a ror app and have a model with geo-coordinates would like to use the info in the model to generate a google map view, does anyone know what''s the best way to go round this? is is Google API?, I''ve also seen a gmaps4rails, any comments? Thank you in advance, Jax -- You received this message because you are subscribed to the Google Groups

Here is the schema that I am working with: courses -> courses_teachers <- teachers I want to ensure that a teacher is not assigned the same course more than once. In other words, if I''m in the courses_teachers table as teaching Spanish 101, if someone tries to add that same teacher/course combination to the table again, it will not be allowed. I thought I could use something

Hi all I''m in the process of trying to make my first project on Rails after doing the tutorial in AWDR. I picked a project which I thought would be easy as I already have the PHP/MySQL implementation. Unfortunately I''ve now hit a snag and was wondering if you could help? I have a table called "races" and a table called "courses". The relationship is:

I was trying to make one to many relationships - between professors controller to rate_professors controller and used scaffold. it''s giving me this error- NoMethodError in RateProfessorsController#index undefined method `rate_professors'' for nil:NilClass app/controllers/rate_professors_controller.rb:7:in `index'' Request Parameters:

I''m currently doing all of this just to have a drop-down list of Courses for a particular student: ===== edit template ===== <%= f.select :course, @courses, :selected => @student.course.id %> =================== ===== students controller ===== def edit @student = Student.find(params[:id]) @page_title = "Edit #{@student.full_name}" @courses =

Hi all. Got a stupid-simple question about associations. I have two models - school and course. There are a fixed number of schools (set up in the migration). Each course is assigned a school and a school will be associated with multiple courses... How do I set up the associations? Do (can) I have School :has_one :course and Course :has_many :schools? Does the schools table then get a course_id

Where can I find more information about the new syntax on these: <%- model_class = @product.class -%> <h1><%=t ''.title'', :default => t(''helpers.titles.new'', :model => model_class.model_name.human, :default => "New #{model_class.model_name.human}") %></h1> <%= render :partial =>

Hiall, I have the following problem: I need to use forms containing collections (i will call them FCC), and I want to construct them dynamically, as I need to deal with quite large forms (more than 600 input fields). The variables @model_name and @field_name contain the proper model and field names as strings, which is enough for "normal" form input fields. (i.e. the "if

I am brand-new to RoR and have only followed and replicated the few tutorials that are out there. I have searched and searched, but cannot find an answer to this simple question: How can you list records in descending order? I have the cookbook example loaded, but can''t seem to list the recipes in reverse order (by the primary key - id). Thanks ahead of time for any and all help. --

I''m doing very well with the Hibbs Rolling on Rails tutorial. I have an easy question for my personal notes. I''m coming up with a simple framework of steps for creating a basic database. It includes the following maxims to make original app creation easy: app_name = MySQL database name SQL_tablename = model_name model_name = controller-name Is this going to work for getting