ruby-on-rails-3

问题 I just followed the following tutorial and works great. http://www.communityguides.eu/articles/6 However one thing his hard for me and that is an edit. I called my link_to edit has follow <%= link_to 'Edit', edit_article_comment_path(@article, comment) %> Which then bring me to a page with error and not sure why. NoMethodError in Comments#edit Showing /home/jean/rail/voyxe/app/views/comments/_form.html.erb where line #1 raised: undefined method `comment_path' for #<#<Class:0xa8f2410>

问题 I did a clean install of rails 3.0.6. My app is running fine, except that I cannot use all the gems that didn't come with rails 3. All of them are in gem list. I also have them in Gemfile and have ran bundle install and bundle update. For example, with matthuhiggins-foreigner: upon rake db:migrate, it complains that add_foreign_key is not defined. I have the same problem with less: no .css generated from .less) geokit-rails3: Unknown key(s): origin, within gem which geokit-rails3 returns:

问题 So I have an autocomplete field where a user can select an existing or create a new tag. If a user creates a new tag, he presses the form button, and it sends a POST request to the update action in the videos controller which processes the request as AJAX, and the tag gets displayed above the field. Now, the problem is when a user selects a tag from the suggestion list. By default, the jQuery UI autocomplete plugin appends the selected element inside the field, and then the user has to press

问题 I have the following tables: class FinalExam < ActiveRecord::Base belongs_to :course has_many :pages, :as => :course_unit, :dependent => :destroy end class Page < ActiveRecord::Base belongs_to :course_unit, :polymorphic => true has_one :quiz has_one :slide end class Quiz < ActiveRecord::Base belongs_to :page end class Answers < ActiveRecord::Base belongs_to :quiz end So, we have Answer.Quiz.Page.FinalExam Given the FianlExam id, what is the fastest way to find all Answers count ? how to get

问题 I have problems when rewriting the Danish letters in view files as Æ Ø Å and I get this error in view: Your template was not saved as valid UTF-8. I have changed the configuration file to Danish, but I still get the error. I have seen that all of the rails files are saved as ANSI. Do I need to change all the files to UTF-8 or are there a better way? 回答1: This question may be related to yours. Your view files' encoding may be broken. For example, there could somehow be an UTF-8 BOM left at the

问题 Out of curiosity. In the docs of rails3 they say that as rule of thumb, I shouldn't nest more than one level of resources. Is there any better way to do that then? scope "(:locale)", :locale => /pl/ do resources :users namespace "admin" do resources :universities do resources :faculties end end end 回答1: Why? You're not nesting more than one level of resources :-) 来源： https://stackoverflow.com/questions/4679699/rails-3-better-routing

问题 I have a form attached to profiles where short comments can be submitted. I want to capture the author's name though so I can display it in a tooltip when hovering over the comment's body. In my create method in the controller I have: def create @comment = Comment.new(params[:comment]) @comment.save! redirect_to profile_path(@comment.profile) end Inside my migration: t.timestamps t.integer :profile_id t.string :author_id t.string :body Profile model: belongs_to :user accepts_nested_attributes

问题 I have a form attached to profiles where short comments can be submitted. I want to capture the author's name though so I can display it in a tooltip when hovering over the comment's body. In my create method in the controller I have: def create @comment = Comment.new(params[:comment]) @comment.save! redirect_to profile_path(@comment.profile) end Inside my migration: t.timestamps t.integer :profile_id t.string :author_id t.string :body Profile model: belongs_to :user accepts_nested_attributes

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I am running my ruby on rails app (rails 3.0.6 , ruby 1.9.3) on amazon server , on user sign up it shows the error - Something went wrong Updated log Started POST "/job_seeker/sign_up" for 122.169.118.210 at 2014-02-19 15:12:30 +0000 Processing by RegistrationsController#create as HTML Parameters: {"utf8"=>"✓",

问题 Edit : This works: <%= form_for (@quiz_attempt.blank? ? QuizAttempt.new(:patient_id => current_user.id, :started => Time.now.utc, :step_quiz_id => @course_step.step.step_quiz.id) : @quiz_attempt), :url => submit_quiz_course_course_step_path(@course_step.course, @course_step) do |f| %> But this doesn't: (Trying to use form_for with as a function form_for() <%= form_for ((@quiz_attempt.blank? ? QuizAttempt.new(:patient_id => current_user.id, :started => Time.now.utc, :step_quiz_id => @course