It Is Possible There’s a very, very good tutorial on this here: http://pikender.in/2013/04/20/child-forms-using-fields_for-through-ajax-rails-way/ We also recently implemented this type of form on one of our development apps. If you goto & http://emailsystem.herokuapp.com, sign up (free) and click “New Message”. The “Subscribers” part uses this technology BTW we did this manually. Cocoon actually looks really good, … Read more
Nested attributes appear to work fine for a belongs_to association as of Rails 4. It might have been changed in an earlier version of Rails, but I tested in 4.0.4 and it definitely works as expected.
to answer my own question: after some research i found out that rails (activerecord) needs id fields on tables that are mapped to models. if you use linktables they are not needed – but for tables you want to adress as models, they are. in my case the solution was to add set_primary_key :cal_id where … Read more
There may be a way to do this with freindly_id but i think the problem with friendly id is things are scoped by model. If I wanted truely sitewide slugging I would create a slugs table with a polymorphic relationship to all my models. Sluggable_type and sluggable_id and then a slug field with the complete … Read more
It turns out that Rails 3.1 just creates this json config file for you. I didn’t know this file was here so my file in initializers was ignored. In Ryan’s answer above does override this setting. config/initializers/wrap_parameters.rb # Be sure to restart your server when you modify this file. # # This file contains settings … Read more
The :update option isn’t supported by the new link_to :remote => true. You will either have to use the legacy plugin write the JS/AJAX yourself instead of using :remote => true use render :update { |page| p.replace_html … }
You can configure the error messages in the locales file at: /config/locales/devise.en.yml Which should have something like below code and which you can easily modify to your liking: en: errors: messages: not_found: “not found” already_confirmed: “was already confirmed” not_locked: “was not locked” devise: failure: unauthenticated: ‘You need to sign in or sign up before continuing.’ … Read more
Include a hidden field tag in the form to make sure something gets submitted when none of the check boxes are selected. This should work, after the <%end%>: <%= hidden_field_tag “user[company_ids][]” %>
You can use ObjectSpace to retrieve all instantiated objects of a given class: posts = [] ObjectSpace.each_object Post do |post| posts << post end This is almost certainly a bad idea, though – for example, it will also load Post instances that are still in memory from earlier requests that haven’t been garbage-collected. There’s probably … Read more
First check this screencast: http://railscasts.com/episodes/328-twitter-bootstrap-basics then I would add a bootstrap gem like bootstrap-sass, then add the JS files through the gem by adding them to the manifest, something like this: //= require jquery //= require jquery_ujs //= require bootstrap //= require_tree . then i would get the css files that you bought from wrapboostrap … Read more