Hi, Move you show method above the private, just like your new and create method.
On Jul 9, 2014, at 11:36, Jeremy Guilbert <[email protected]> wrote: > Hello, > > I'm new at Ruby on Rails, I'm using : > -Ubuntu 14.04 LTS > -Rails 4.1.2 > -Ruby 2.1.2p95 > -rvm 1.25.27 > > I'm actually following the rails guides : > http://guides.rubyonrails.org/v4.0.6/getting_started.html#getting-up-and-running > Everything was going well until the point : 5.7 Showing points. > I have checked my files several times and I can't figure out where is my > mistake, I can submit a post and then there is no display I get the error : > > NoMethodError in Posts#show > > Showing /home/jeremy/projet/blog/app/views/posts/show.html.erb where line #3 > raised: > > undefined method `title' for nil:NilClass > Extracted source (around line #3): > > 1 > 2 > 3 > 4 > 5 > 6 > > <p> > <strong>Title:</strong> > <%= @post.title %> > </p> > > <p> > > Following you'll find my files : > -config/routes.rb > Rails.application.routes.draw do > get 'welcome/index' > > # The priority is based upon order of creation: first created -> highest > priority. > # See how all your routes lay out with "rake routes". > resources :posts > # You can have the root of your site routed with "root" > root 'welcome#index' > > # Example of regular route: > # get 'products/:id' => 'catalog#view' > > # Example of named route that can be invoked with purchase_url(id: > product.id) > # get 'products/:id/purchase' => 'catalog#purchase', as: :purchase > > # Example resource route (maps HTTP verbs to controller actions > automatically): > # resources :products > > # Example resource route with options: > # resources :products do > # member do > # get 'short' > # post 'toggle' > # end > # > # collection do > # get 'sold' > # end > # end > > # Example resource route with sub-resources: > # resources :products do > # resources :comments, :sales > # resource :seller > # end > > # Example resource route with more complex sub-resources: > # resources :products do > # resources :comments > # resources :sales do > # get 'recent', on: :collection > # end > # end > > # Example resource route with concerns: > # concern :toggleable do > # post 'toggle' > # end > # resources :posts, concerns: :toggleable > # resources :photos, concerns: :toggleable > > # Example resource route within a namespace: > # namespace :admin do > # # Directs /admin/products/* to Admin::ProductsController > # # (app/controllers/admin/products_controller.rb) > # resources :products > # end > end > -app/controllers/posts_controller.rb > class PostsController < ApplicationController > def new > end > > def create > @post = Post.new(post_params) > > @post.save > redirect_to @post > end > > private > def post_params > params.require(:post).permit(:title, :text) > end > > def show > @post = Post.find(params[:id]) > end > end > -app/views/posts/new.html.erb > <h1>New Post</h1> > <%= form_for :post, url: posts_path do |f| %> > <p> > <%= f.label :title %><br> > <%= f.text_field :title %> > </p> > > <p> > <%= f.label :text %><br> > <%= f.text_area :text %> > </p> > > <p> > <%= f.submit %> > </p> > <% end %> > -db/migrate/20140630133544_create_posts.rb > class CreatePosts < ActiveRecord::Migration > def change > create_table :posts do |t| > t.string :title > t.text :text > > t.timestamps > end > end > end > -app/views/posts/show.html.erb > <p> > <strong>Title:</strong> > <%= @post.title %> > </p> > > <p> > <strong>Text:</strong> > <%= @post.text %> > </p> > > So if you can tell me what's wrong I'll be very happy, because I really don't > get it. > Thanks. > > > > > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/4ca41298-1a4f-4730-8cc1-bf928a8c28b9%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/953F7E4B-AD4B-4663-8D2E-F9CF112F213D%40gmail.com. For more options, visit https://groups.google.com/d/optout.
