You need to specifically allow the 10.0.2.2 network space in the Web Console config. So you’ll want something like this: class Application < Rails::Application config.web_console.permissions=”10.0.2.2″ end Read here for more information. As pointed out by pguardiario, this wants to go into config/environments/development.rb rather than config/application.rb so it is only applied in your development environment.
You can use a method to set the layout. class MyController < ApplicationController layout :resolve_layout # … private def resolve_layout case action_name when “new”, “create” “some_layout” when “index” “other_layout” else “application” end end end
For Schema related stuff Model.column_names Model.columns_hash Model.columns For instance variables/attributes in an AR object object.attribute_names object.attribute_present? object.attributes For instance methods without inheritance from super class Model.instance_methods(false)
try this = f.input :title, :as => :hidden, :input_html => { :value => “some value” }
In Rails 2, I would have written: validates_uniqueness_of :zipcode, :scope => :recorded_at In Rails 3: validates :zipcode, :uniqueness => {:scope => :recorded_at} For multiple attributes: validates :zipcode, :uniqueness => {:scope => [:recorded_at, :something_else]}
You forgot to put a . before the try: @myvar = session[:comments].try(:[], @comment.id) since [] is the name of the method when you do [@comment.id].
I had the same issue but with pages which were page cached. Pages got buffered with a stale authenticity token and all actions using the methods post/put/delete where recognized as forgery attempts. Error (422 Unprocessable Entity) was returned to the user. The solution for Rails 3: Add: skip_before_filter :verify_authenticity_token or as “sagivo” pointed out in … Read more
This is the simplest solution I was able to come up with with minimal side effect. class Person < Contact def self.model_name Contact.model_name end end Now url_for @person will map to contact_path as expected. How it works: URL helpers rely on YourModel.model_name to reflect upon the model and generate (amongst many things) singular/plural route keys. … Read more
You are probably seeking: ActiveRecord::Base.connection.tables and ActiveRecord::Base.connection.columns(‘projects’).map(&:name) You should probably wrap them in shorter syntax inside your .irbrc.
I had the same problem and solved it by creating an environment variable to be loaded every time I logged in to the production server, and made a mini-guide of the steps to configure it: I was using Rails 4.1 with Unicorn v4.8.2 and when I tried to deploy my application it didn’t start properly … Read more