Rails ajax link_to remote with put, post

gistfile1.txt

http://www.kolodvor.net/2010/01/02/rails-csrf-and-ajax-requests/
http://api.rubyonrails.org/classes/ActionController/RequestForgeryProtection/ClassMethods.html#M000514

http://stackoverflow.com/questions/5241213/rails-session-is-blank-when-using-http-put

Key thing is to add form_authenticity_token to path param as a query_string
http://api.rubyonrails.org/classes/ActionView/Helpers/UrlHelper.html#method-i-link_to

<%= link_to 'Reset', null_counter_model_path(model, :authenticity_token => form_authenticity_token), :confirm => 'Are you sure?', :method => :put, :remote => true %>