Displaying 20 results from an estimated 10000 matches similar to: "NoMethodError in Book"
2011 Apr 30
8
"uninitialized constant PostsController::Post"
This time i read scaffold tutorial very carefully and finally try to
generate a form without using the scaffold(just used a controller and
view ).what i have done till now ,is as follow.Using rails 3.0.7.
"rails generate controller posts
index"
1) post_controller.rb
class PostsController < ApplicationController
def index
@post=Post.new
2010 Oct 22
6
(Unable to start rails application) ruby scipt/server error
1) I installed the ruby-1.9.2-p0 and rubygems-1.3.7 in the
(/usr/local/src directory )
2) Then i installed rails from terminal by typing follwoing
sudo gem install rails --include-dependencies
3) Then i made a rails applcation from terminal as
rails new demo
then
cd demo
ruby
2011 May 18
9
Address already in use - bind(2) (Errno::EADDRINUSE)
I made a new rails app and when i started the server ,it gave
following error message.
=> Booting Mongrel
=> Rails 2.3.8 application starting on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
/usr/lib/ruby/1.8/mongrel/tcphack.rb:12:in
`initialize_without_backlog'': Address already in use - bind(2)
(Errno::EADDRINUSE)
from
2012 Feb 11
1
rake command shows the error
rails -v=2.3.8
gem -v= 1.4.2
ruby -v=1.8.7
When i issue the "rake" command ,it gives the following error .
(in /home/amrit/amrit/OSV/OpenStreetView)
/usr/bin/ruby1.8 -I"lib:test"
"/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"
"test/functional/main_controller_test.rb"
"test/functional/upload_controller_test.rb"
2012 Apr 14
7
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 <
2011 Jan 26
13
undefined method `model_name' for NilClass:Class
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
2013 Apr 02
4
gmaps4rails: undefined method `model_name' for NilClass:Class
Hi All,
just in a spot of bother with this gem, I am trying to create a new
location and get the above msg.
here is my controller:
class LocationsController < ApplicationController
# GET /locations
# GET /locations.json
def index
@locations = Location.all
@json = Location.all.to_gmaps4rails
end
respond_to do |format|
format.html # index.html.erb
2011 Jun 14
5
Buttons's routing
Hey
My app has some buttons and i have route all to different action
in router.rb file but click on each button results in same action. why?
Am i missing to specify anything...)
Rails:3.0.7
Thanks in advance.
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2011 Apr 18
6
whyt should i use mongrel_cluster ?
why should i use mongrel_cluster in my rails application?
What are its benefits for which i should install and configure it
?
is webrick server not enough for rails application?
Thanks
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2011 May 27
3
unable to start server
When i start the server "rails s",following error message appears:
=> Booting WEBrick
=> Rails 3.0.7 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
/usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:167:in
`default_controller_and_action'': missing :controller
2008 Dec 11
1
help needed regaring Acts As Taggable On Steroids
Hello,
In my rails application, I have a book model.
I want to add tags. For that I have installed
acts_as_taggable_on_steroids from this link
http://agilewebdevelopment.com/plugins/acts_as_taggable_on_steroids
and do as the readme file.
This is my Model :
class Book < ActiveRecord::Base
acts_as_taggable
end
Here is my ApplicationHelper :
module
2011 May 27
14
[rails] undefined method `model_name' for NilClass:Class
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
2011 May 06
1
scaffold didn't work
i am using rails -v 3.0.7.when i tried "rails generate scaffold try
name:string number:decimal" , it gave following error message
invoke active_record
/usr/lib/ruby/1.8/yaml.rb:133:in `load'': syntax error on line 7, col
2: ` pool: 5'' (ArgumentError)
from /usr/lib/ruby/1.8/yaml.rb:133:in `load''
from
2012 Jan 05
4
mySQL: ERROR 1045: Access denied for user 'root'@'localhost' (using password: NO)
Hello, I am using InstantRails 2.0 on windows.
When building an app,I get this error when hit the browser(Action
ControllerException caught):
Access denied for user ''root''@''localhost'' (using password: NO)
-----------------------------------------------------------------------------------------------
The database.yml file is configured like this:
# MySQL.
2009 Feb 06
2
Using partials with form_for
hi all
i was wondering whether it is possible to use partials along with form_for
and form_field. following code is not working. is there some error or this
case is impossible..??
*#new.html.erb*
<h1>Enter Details for new Partner:</h1>
<% form_for(@partner) do |f| %>
<%= render :partial => ''form'', :locals => {:partner => f} %>
<p>
2010 May 10
7
NilClass passed to partial view
Hi,
I have a simple program that tries to do something really basic.
First, I have a company Model :
-------------------------------------
class Company < ActiveRecord::Base
has_one :billingAddress, :foreign_key=>"id", :class_name=>"Address"
end
Then I have the address Model :
--------------------------------------
class Address< ActiveRecord::Base
belongs_to
2006 Mar 01
1
observe_field question
I''m sure this is a simple problem, but I''ve been working on it for a
couple days and can''t seem to figure out the correct way to structure my
observe_field call. The HTML and Javascript generated all appear
correct, but the AJAX call is never made. Below is the code I''m using
and any help would be much appreciated.
models_controller.rb
def
2009 Jun 07
6
Missing Template when testing with the Brain Buster Captcha partial
When I run my functional tests, they throw an error with the following
message:
ActionView::TemplateError: Missing template /_captcha.erb in view path
app/views:test/vendor/plugins/brain_buster/views/brain_busters
On line #23 of app/views/contacts/_form.html.erb
20: <%= f.label :message %><br />
21: <%= f.text_area :message %>
22:
2011 Jul 11
2
Pre-populating association
Hello,
I think this is an easy one for the average Rails developer but I''m a bit stuck.
I''m creating a simple voting app: any user can create a survey, with any number of questions, and other users can then vote by creating a ballot for that survey.
Here''s the modeling:
class Survey < ActiveRecord::Base
has_many :questions
has_many :eligibilities
has_many
2011 Jun 29
6
RSpec with Rails 3.1rc4: spec test won't recognize <%= %> (should be simple)
In my user_sessions_controller:
class UserSessionsController < ApplicationController
before_filter :require_no_user, :only => [:create, :new]
before_filter :require_user, :only => :destroy
def new
@user_session = UserSession.new
@message = "Hello."
end
def create
@user_session = UserSession.new(params[:user_session])
if @user_session.save