ruby-on-rails-3

问题 I following Ryan's subdomain railscast where het creates a Subdomain class used in his routes and places it in the lib directory. Apparantly my rails app isn't looking in the lib dir by default (my app only starts when I move the subdomain.rb file from lib to eg /app/models) I always thought that the lib dir was included by default in a rails app? How can I best include this directory to make this happen. Thanks 回答1: Rails 3 does not autoload it by default (although Rails 2 does). You have to

问题 I following Ryan's subdomain railscast where het creates a Subdomain class used in his routes and places it in the lib directory. Apparantly my rails app isn't looking in the lib dir by default (my app only starts when I move the subdomain.rb file from lib to eg /app/models) I always thought that the lib dir was included by default in a rails app? How can I best include this directory to make this happen. Thanks 回答1: Rails 3 does not autoload it by default (although Rails 2 does). You have to

问题 I used the jQuery File Upload Plugin (https://github.com/blueimp/jQuery-File-Upload) to upload multiple pictures simultaneously in rails. The photo is attached to the Item model, and item is added to a poll. Using the plugin as: $(document).ready(function(){ $('#fileupload').fileupload({ url: '/polls', dataType: "json", done: function(e,data){ window.location = "/polls/" + data.result.id; } } }); It was expected to call the create action in the Poll Controller for each photo file and redirect

问题 I have an rails 3 (3.0.9) application working on ruby 1.8.7 with the gem devise (1.4.2) on my computer working perfectly. I tried to push it on heroku and i got the following error message on application load: [WARNING] You provided devise_for :users but there is no model User defined in your application => Booting WEBrick => Rails 3.0.9 application starting in production on http://0.0.0.0:43292 => Call with -d to detach => Ctrl-C to shutdown server Exiting /app/vendor/bundle/ruby/1.9.1/gems

问题 I have downloaded the danish locale (da.yml) and put it in config/locales I get this error: couldn't parse YAML at line 20 column 14 It is the same error as I get in in simple form for Rails 3 simple form error : couldn't parse YAML My application.rb: require File.expand_path('../boot', __FILE__) require 'rails/all' # If you have a Gemfile, require the gems listed there, including any gems # you've limited to :test, :development, or :production. Bundler.require(:default, Rails.env) if defined

问题 I'm on Rails 3.2.11 and ruby 1.9.3.125 My app is working ok in devel and production if threadsafe! off With threadsafe! enabled I get an error during precompiling, in my asset assetsolutions.js.erb (which is the main js file of the application) I use the Workorder class as in the next line if ($('#workorder_worktype').val()=='<%= Workorder::REPAIR %>') with threadsafe! the class can't be found at precompile time, I've done some reasearch and I think it may be related with rails switching off

问题 I'm on Rails 3.2.11 and ruby 1.9.3.125 My app is working ok in devel and production if threadsafe! off With threadsafe! enabled I get an error during precompiling, in my asset assetsolutions.js.erb (which is the main js file of the application) I use the Workorder class as in the next line if ($('#workorder_worktype').val()=='<%= Workorder::REPAIR %>') with threadsafe! the class can't be found at precompile time, I've done some reasearch and I think it may be related with rails switching off

问题 I want to log in the database the incident when a users account is locked, I'm using Rails3 and Devise, so I think I'll need to override some action in a Devise controller, I just don't know wich controller/action and how to capture the users Id. Any tips? 回答1: I know this is an old question, but the easiest approach is probably to override lock_access! from the lockable mixin (in your user model): def lock_access! super # record an account lock here end 来源： https://stackoverflow.com

问题 I have problems to upload a file: Here is my html: <%= form_tag import_test_path, multipart: true do %> <%= file_field_tag :file, :style => 'display:inline; margin-top:-10px' %> <%= submit_tag 'Hochladen', :class => 'btn btn-sm btn-info' %> <% end %> First i tried to simply upload it and to handle it in my controller like this: def import widgets = DBF::Table.new(params[:file], nil, 'cp1252') w = widgets.find(6) p = Patient.new p.vorname = w.vorname p.name = w.name p.geburtsdatum = w.geburt p

问题 I have what seemed to me a simple requirement: I want to sort a parent class based on an attribute of its child class. class owner has_many :tasks end class task belongs_to :owner end Now I want to sort the owners based on the due date on their tasks, so that the owner that has the task with the "closest" due date is first, etc I can do this in Ruby with array sorting, but my record sets are huge and i need to do this with AR / DBMS.. UPDATE: As I am pondering this question part of the