similar to: Nested attributes doesnt get updated

Hello everybody, I have some troubles with uploading files in my Rails project. I use Rails 3, Ruby 1.9.2, rack 1.2.1, and both webrick / passenger on apache I was investigating and have isolated the strange behaviour on a simple empty project: view: <% form_tag({:action => ''upload''}, :multipart => true) do %> <%=text_field_tag :desc %>

im working with active admin i have collection_select or dropdown box that populates the packages and crews im just wondering i why this undefined method `[]'' for nil:NilClass` i dont know what happened but it run few days ago and tested it once but now it raises this error are there possible way to solve this? def create @package = Package.find(params[:package_crew][:package_id])

Hi all, I am trying to upgrade my rails 2 app to 3 and am getting this error when trying to login: NoMethodError in AuthenticateController#authenticate undefined method `to_sym'' for nil:NilClass The stack trace is: activerecord (3.2.2) lib/active_record/validations/uniqueness.rb:26:in `validate_each'' activemodel (3.2.2) lib/active_model/validator.rb:153:in

Hi Guys, Facing a weird error . Errno::EAFNOSUPPORT: Address family not supported by protocol - socket(2) It seems to be happening with mail sending mail . I am using AUTHSMTP to send mails . Unable to send mail and the app breaks . Any help will be appreciated . Same code worked with ruby 1.8 and rails 2.3.x . *Configuration* Rails 3.2 Ruby 1.9 Engineyard , Linux Instance *Backtrace :*

Hi Guys, Facing a weird error . Errno::EAFNOSUPPORT: Address family not supported by protocol - socket(2) It seems to be happening with mail sending mail . I am using AUTHSMTP to send mails . Unable to send mail and the app breaks . Any help will be appreciated . Same code worked with ruby 1.8 and rails 2.3.x . *Configuration* Rails 3.2 Ruby 1.9 Engineyard , Linux Instance *Backtrace :*

I have a strange problem with setting request.format = :mobile I can reproduce this problem on a completely fresh Rails 3.0.7 app with no special gems. This seemed to work well in Rails 2 but for some reason is hiccuping here, not sure what''s different in Rails 3 that makes this hiccup. If you look at the stack track, it doesn''t even pass through my app stack once -- weird --

Hi all, I am trying to reproduce rails 3.2 behaviour with fields_for and nested attributes. class ControllerAction < ActiveRecord::Base has_many :interactions, dependent: :destroy has_many :roles, through: :interactions scope :controllers, lambda {|name| where("controller_name_id = ?", name)} scope :actions, lambda {|name| where("action_name_id =

http://secret-brushlands-1375.herokuapp.com/users/sign_up Not sure why all of a sudden I am getting this error message when I try to save a new user - Here is the log file: C:\rails_projects\store4>heroku logs 2014-04-23T21:35:54.918695+00:00 app[web.1]: vendor/bundle/ruby/2.0.0/gems/act ivesupport-4.1.0/lib/active_support/callbacks.rb:113:in `call' 2014-04-23T21:35:54.918698+00:00

I started getting exception notifications recently from the server just about the time I upgraded to Rails 3.2. I don''t know if that is a coincidence or not. Evidently some robot is hitting my site with: mydomain.com?iframe=true&width=100%&height=100% and that is throwing an exception. I have two questions: 1) First, just out of curiosity, who puts

Hi everyone, I''m working through the tutorial at the following link and attempting to customise/adapt the lessons for my own slightly different application. Link: Ruby on Rails Tutorial: Learn Rails by Example | Ruby on Rails 3 Tutorial book and screencasts | by Michael Hartl <http://ruby.railstutorial.org/ruby-on-rails-tutorial-book> I''m currently trying to work

Hi, I''m using nested models to create form in my view. It looks like this: <% form_for :user, :url => {:action => "add_owner" }, :html => { :method => :post } do |u| %> <li><label>Name: </label><%= u.text_field :name %></li> <li><label>Surname: </label><%= u.text_field :surname %></li> <%

I have some common class methods in a module ''active_record_additions'' that I load into a class by Activity by using extend ActiveRecordAdditions The Activity class uses nested_attributes_for with a reject_if method saved in the module ''active_record_additions'' The problem is that the class methods in ''active_record_additions'' works when I

I''m walking through an example in the "Head First Rails" book, but, instead doing the examples using Rails3.0.0.rc. But, I''m getting this error when browsing for example: http://localhost:3000/advs/1 undefined method `eq'' for nil:NilClass Provided that my advs_controller.rb is as follows: http://pastie.org/private/cd9zntg2ite57ept288kfa Any ideas why

I need some help please.. when I created web application about books market, i create a cart and using test the message error appear like this on rake test:functionals LineItemsControllerTest > test_should_create_line_item > ERROR > Cannot redirect to nil! and also appear on web side, thats error told that "Cannot redirect to nil!" Then i was checking the code,

Have been developing on 3.0.0beta4 and just updated to 3.0.0.rc. When I try to link_to() a User object that previously had worked, I get the following: ActionView::Template::Error (No route matches {:action=>"destroy", :controller=>"games", :id=>#<User ..... > Yet I have in my routes.rb file has resources :users and my "rake routes" shows:

I can successfully get the contacts from google using OAuth gem in rails. my gmail configuration is : :google=>{ :key=>"***", :secret=>"***", :expose => true, :scope=>"https://www.google.com/m8/feeds/" } now i want to get contact from yahoo and hot mail. How to get that contact I have given following configuration in my

My application, a very simple general ledger, that worked very well until June 26 does not work any longer. It is used under Ubuntu 12.04 and I believe there was a Ruby update after that. What happens? When I try to start the appIication I get the following output in my web browser: ActionDispatch::Session::SessionRestoreError Session contains objects whose class definition isn''t

Hi, I just encountered a bit of an issue where we call request.params of an ActionDispatch::Request inside a rack middleware right before a Rails 3.0.3 app. The issue is that the path_parameters never appear in the parameters hash if you call request.params before the rails app. It seems that that the requests.params method memoizes itself in "action_dispatch.request.parameters"

Hi there - I''m a ruby newbie and am stuck on the Getting Started with Rails app. See output below. Problem arose when I ran the rake db:migrate command. I also tried the ''rake db:migrate RAILS_ENV=development'' command which may be obvious. Any ideas on how to fix this? Many thanks!! $ ruby -v ruby 1.9.3p392 (2013-02-22 revision 39386) [x86_64-darwin10.8.0]

I was reading the book "Agile Web Development with Rails 4th Edition". In Chapter 11, Iteration C2: Adding a Page Layout 1 <!DOCTYPE html> - <html> - <head> - <title>Pragprog Books Online Store</title> 5 <%= stylesheet_link_tag "scaffold" %> - <%= stylesheet_link_tag "depot", :media => "all" %> - <%=