ruby-on-rails-3.1

问题 I've deployed a rails 3.1 app on the new cedar stack on heroku. The new stack doesn't automatically provide gzipping so I've added use Rack::Deflater in my config.ru Testing it through curl with the following command: curl -i -H 'Accept-Encoding: gzip,deflate' http://carbuzz-production.herokuapp.com Returns an header with content encoding gzip and a body that seems compressed. Opening the page in firefox or chrome shows the body untranslated (lots of gibberish). Any idea how to solve this?

问题 My form tag in my view: <%= form_tag view_all_rater_path, :method => 'get' do %> <p> <%= text_field_tag :search, params[:search], :placeholder => 'Search by Set # or date' %></br> <%= submit_tag "Search", :class => "btn btn-link", :name => nil %> </p> <% end %> My controller action: def view_all if params[:search] @ratings = RatingSet.find(:all, :conditions => ['id = ? or rating_date like ?', "%#{params[:search]}%"]) else @ratings = RatingSet.all end end My routes: resources :rater, :only =>

问题 I have this error while loading the data from files in to database. Please help me out in getting this right. here is the method : clusters.each do |cluster| cluster_path = cluster.path root = current_root + cluster.name+'/' Log.info "<br/> --------- Starting data popuation for #{cluster_path} ---------------" population_time[:bp_data] = populate_bp_data(root+fileName[:bp_data], cluster_path, @dataset.id) population_time[:m_lint] = populate_m_lint(root+fileName[:m_lint], cluster_path,

问题 Hi I followed the link to set up closure_tag gem. When i tried to use closure_tree syntax in the following way (newStructure.find_or_create_by_path(parent) instead of newStructure.move_to_child_of(parent)) ... got the following error : "Can't mass-assign protected attributes: ancestor, descendant, generations" is this the correct way of using newStructure.find_or_create_by_path(parent) ? def self.import(path) newStructure = FileOrFolder.find(:first, :conditions=>["fullpath = ?", path]) if

问题 I'm having some trouble with UTF-8 characters. Here's db/seeds.rb User.create(username: 'eml', first_name: '****', last_name: '****äck', email: 'somemail@example.com', password: 'asdasd') My terminal (OSX 10.5.8) is set to use UTF-8, Rails (according to application.rb) is set to use utf-8. Here's the error: $ rake db:seed rake aborted! /Projects/***/db/seeds.rb:8: invalid multibyte char (US-ASCII) /Projects/***/db/seeds.rb:8: invalid multibyte char (US-ASCII) /Projects/***/db/seeds.rb:8:

问题 Controller: def AjaxView @vars= Var.find(:all,:conditions => { :varName=> "one" },:select=>(params[:col])) @col = params[:col] respond_to do |format| format.js { render :layout=>false } end end AjaxView.js.erb if('<%= @col %>' == 'colName'){ $("#3").text("<%= escape_javascript(render(:partial => "var")) %>"); } else if('<%= @col %>' == 'colName2'){ $("#2").text("<%= escape_javascript(render(:partial => "var1")) %>"); } View Partial: _var.html.erb <%= @vars[0].colName %> _var1.html.erb <%=

问题 It's probably a dead simple question. Right now it uses the default application layout file. How can I create one just for AdminAdmin in order keep it separate from the one used on the main site? 回答1: Read layouts and rendering guide, there is paragraph about :layout option. You can specify layout, or set it to false, to render without layout at all. render :layout => 'special_layout' render :layout => false 回答2: If my memory does not fail me again !! ;-) this rails cast talk about this. But

问题 What I want to do is make it just output the view itself, and ignore what Rails would normally think is embedded Ruby within the HTML. For example: <div class="current"> <div class="question"> <h3 id="homework_name"><%= homework.name %><h3 id="due">Due <%= homework.due %></h3></h3> <h2 class="title">The Question:</h2> <p id="question_contents"class="contents"><%= current_question.contents</p> </div> <div class="answer"> <h2 class="title">Your Answer:</h2> <textarea class="contents" id=

问题 When I execute the following command in the Rails project folder: gem install bson_ext I get the this error: #result Building native extensions. This could take a while... ERROR: Error installing bson_ext: ERROR: Failed to build gem native extension. /home/absolute/.rvm/rubies/ruby-1.9.3-p0/bin/ruby extconf.rb checking for asprintf()... yes checking for ruby/st.h... yes checking for ruby/regex.h... yes checking for ruby/encoding.h... yes creating Makefile make compiling bson_buffer.c

问题 Lets say I have an image at app/assets/images/privateimages/myrestrictedimage1.jpg If I try to go directly to the image via url say with something like http://localhost:5555/assets/privateimages/myrestrictedimage1.jpg I am able to view the image. I would like to have a way to inspect any http request to decide if the user is allowed access to it. I know I can use before_filter in controllers to do some preprocessing before continuing onto any of the controller actions but I dont think this