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问题 I've stumbled at Chp 1, Listing 1.8 of Hartl's tutorial. The goal is to place a hello action into the Application controller. This is supposed to happen: class ApplicationController < ActionController::Base # Prevent CSRF attacks by raising an exception. # For APIs, you may want to use :null_session instead. protect_from_forgery with: :exception` def hello render text: "hello, world!" end end Instead, when I put in the first line class ApplicationController < ActionController::Base I get this

问题 11.2.2 First I migrated db(bundle exec rake db:migrate:reset), then I try to seed it(bundle exec rake db:seed) and I get this message: rake aborted! SyntaxError: /home/aki/sample_app/db/seeds.rb:25: syntax error, unexpected end-of-input, expecting keyword_end /home/aki/.rvm/gems/ruby-2.1.3/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:268:in `load' /home/aki/.rvm/gems/ruby-2.1.3/gems/activesupport-4.2.0/lib/active_support/dependencies.rb:268:in `block in load' /home/aki/.rvm

问题 I am working through the Ruby on Rails Tutorial by Michael Hartl and have generated an interesting dilemma. I will have done something wrong, so I need your help finding the issue. The issue surrounds the validation of a password property within a User model. The initial validation of this property was: validates :password, presence: true, confirmation: true, length: { minimum: 6 } This requires a minimum length of the password and is designed to satisfy the situation where a new user creates

问题 I've completed Chapter 5 and all the exercises. As part of the final exercise, MH has you write tests for the ApplicationHelper method. Once that is done, individual tests pass with: shift-command-T in ST2 (using the sublime-text-2-ruby-tests package) rspec spec/requests/user_pages_spec.rb in the terminal rspec spec/requests/static_pages_spec.rb in the terminal However, if I run all tests with rspec spec/ in the terminal I get this error: /Users/anonymouscoward/rails/railstut/sample_app/spec

问题 I'm working through the Rails 3.2 edition of Ruby on Rails Tutorial, and am right near the end of Chapter 5. Although it accepted my code a few days ago, Heroku no longer wants to take it when I push. It complains that it needs a Gemfile.lock, which I can understand -- but I am supplying one already. A few days ago I did remove Gemfile.lock from the repository, since I started this project on Windows and ran into Bundler hell due to that. At that time, I added Gemfile.lock's name to

问题 I'm going through Michael Hartl's Ruby on Rails 3.2 Tutorial and I'm confused about why the title helper found in Section 4.1.1 doesn't fail. He talks about needing a title helper in the event that you leave out this bit of code from the view: <% provide(:title, 'Home') %> But in the application layout file there is this line: <title><%= full_title(yield(:title)) %></title> Doesn't that pass a nil value to the full_title helper since the provide isn't setting a value to the :title symbol?

问题 I'm following demo app tutorial on http://ruby.railstutorial.org/chapters/a-demo-app#sec:planning_the_application. After generate scaffold for users. when i try to access localhost:3000/users. I got the following error on ExecJS Started GET "/users" for 127.0.0.1 at 2012-08-01 13:35:37 -0500 Connecting to database specified by database.yml Processing by UsersController#index as HTML User Load (0.1ms) SELECT "users".* FROM "users" Rendered users/index.html.erb within layouts/application (3.1ms

问题 I am following the Ruby on Rails tutorial by Michael Hartl. In section 6.3.1, I am trying to generate a migration file to add a Password field to my user model. Here is the code that I run: rails generate add_passsword_digest_to_users password_digest:string but this throws the error: Could not find generator add_passsword_digest_to_users. i have used the rails generate command before and it worked perfectly. I'm not sure why I am getting this problem now. version: Rails 3.2.8, ruby 1.9.3p194

问题 i am following railstutorial.org tutorial i am getting the following error 1) User pages signup with valid information should create a user Failure/Error: fill_in "password" , with: "foobar" Capybara::ElementNotFound: cannot fill in, no text field, text area or password field with id, name, or label 'password' found # (eval):2:in `fill_in' # ./spec/requests/user_pages_spec.rb:32:in `block (4 levels) in <top (required)>' 2) Authentication signin with invalid information Failure/Error: before {

问题 i am following railstutorial.org tutorial i am getting the following error 1) User pages signup with valid information should create a user Failure/Error: fill_in "password" , with: "foobar" Capybara::ElementNotFound: cannot fill in, no text field, text area or password field with id, name, or label 'password' found # (eval):2:in `fill_in' # ./spec/requests/user_pages_spec.rb:32:in `block (4 levels) in <top (required)>' 2) Authentication signin with invalid information Failure/Error: before {