ruby-on-rails-3

问题 I have a select drop down of items. When the user selects and item I need to redirect to edit_item_path for the item_id. e.g. If user selects and item with id =5 I need to redirect to items/5/edit path How to do this in rails 3 and jquery? 回答1: Lets say that your dropdown looks like this: <select id="editable_pages"> <option value="1">Edit 1</option> <option value="2">Edit 2</option> </select> in that case following jquery snippet should works: $('#editable_pages').change(function() { window

问题 am using my custom mailer UserMailer to send emails. It works perfect in development, but in production i get error 500, that is when am trying to retrieve my password on forgetting. here is what is in the production logs in the production mode Processing by Devise::PasswordsController#create as HTML Parameters: {"utf8"=>"✓","authenticity_token"=>"xxxxxxxxxxxxxxx", "user"=>{"email"=>"sam@gmail.com"}, "commit"=>"Send me r$ Completed 500 Internal Server Error in 2ms NameError (uninitialized

问题 I've got the following setup: class Vote < ActiveRecord::Base belongs_to :voteable, :polymorphic => :true, :counter_cache => true end class Proposition < ActiveRecord::Base has_many :votes, :as => :voteable end class Winner < ActiveRecord::Base has_many :votes, :as => :voteable end The Vote table looks like this: t.string "ip_address" t.integer "voteable_id" t.string "voteable_type" I want to validate the following. A user with a given ip_address can only vote on 1 proposition. So the

问题 I am looking for method to disable Browser Cache for entire Ruby On Rails MVC Website I found following method, Response.Cache.SetExpires(DateTime.Now.AddSeconds(5)); Response.Cache.SetCacheability(HttpCacheability.Public); Response.Cache.SetValidUntilExpires(true); and also for meta tag method. <meta http-equiv="PRAGMA" content="NO-CACHE"> But i am looking for simple method, to disable browser cache for entire website. 回答1: Friends, After a long search on Google. I got one solution for this.

问题 newbie rails question coming up. I have a class like this: class Thing < ActiveRecord::Base attr_accessible :name attr_accessor :name validates_uniqueness_of :name, :case_sensitive => false end I have done a migration and the table looks okay. I then fire up the rails console and try the following: t = Thing.new(:name => "test") => #<Thing id: nil, name: nil, description: nil, created_at: nil, updated_at: nil> already here it says name is nil, why? Continuing on, I try this: t.name => "test"

问题 The latest SQLite3 library available on CentOS 5.6 and which is installed is version 3.3.6. It's my understanding that the sqlite3 gem needs version 3.6 or higher. How do I get my app to work with SQLite3 without upgrading the library on my server? It's in a work environment and I'm simply not allowed to upgrade it. 回答1: You could compile a static library of the version of sqlite you require. Then install the sqlite3 gem with a reference to your new static library. While I haven't tested this

问题 The latest SQLite3 library available on CentOS 5.6 and which is installed is version 3.3.6. It's my understanding that the sqlite3 gem needs version 3.6 or higher. How do I get my app to work with SQLite3 without upgrading the library on my server? It's in a work environment and I'm simply not allowed to upgrade it. 回答1: You could compile a static library of the version of sqlite you require. Then install the sqlite3 gem with a reference to your new static library. While I haven't tested this

问题 Image Uploading was working fine, but when I tried switching it to S3, it started throwing an error. I get the following error when I try to create a new image upload: cannot load such file -- aws-sdk (You may need to install the aws-sdk gem) Relevant gems: gem 'rails', '3.2.5' gem 'paperclip' gem 'aws-sdk' config/s3.yml: development: bucket: bucketname access_key_id: # secret_access_key: # test: bucket: bucketname access_key_id: # secret_access_key: # image_upload.rb: has_attached_file

问题 Im having setup a empty git repo bare on the server side and everything setup. Cap deploy:setup does this [109.etc] env RAILS_ENV=production sh -c 'git clone git@109.etc:srv/paintings.git /srv/paintings/current' ** [out :: 109.etc] Initialized empty Git repository in /srv/paintings/current/.git/ ** [out :: 109.etc] The authenticity of host '109.etc (109.etc)' can't be established. ** [out :: 109.etc] RSA key fingerprint is e9:af:d6:d3:0e:f5:de:a3:4a:31:6e:8e:4a:c7:b7:ee. ** [out :: 109.etc]

问题 I'm using sunspot_rails and sunspot gems in my Rails3 application and following the steps to installing sunspot on https://github.com/outoftime/sunspot, I cannot get my sunspot server to run. When I enter my directory, run bundler and then run rake sunspot:solr:start I get the following error Emil@Emil-PC /cygdrive/c/work/pilarhq $ rake sunspot:solr:start (in /cygdrive/c/work/pilarhq) DEPRECATION WARNING: You are using the old router DSL which will be removed in R ails 3.1. Please check how