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<%= f.label :foo %>
<%= f.text_area :foo %>

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  <%= f.fields_for :images do |image_field| %>
    <% if image_field.object.new_record? %>
      <%= render 'image_fields', :f => builder %>
    <% end %>
  <% end %> 

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response = RestClient.get 'http://localhost:3000/wallet_attributes', { :Authorization => "Token token=abc", :params => {:id => 50, 'foo' => 'bar'} }

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class SuggestionController < ApplicationController

	def vote
	
	end

	def get
	end
end

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<% provide(:title, "Create course") %>

<div class="container">

  <div class="row">
    <div class="col-md-4">
      <div class="custom-form chapter">
        <%= form_for(@course) do |f| %>
          <%= render 'shared/error_messages', object: f.object %>
          <%= f.label :title %>

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class BooksController < ApplicationController
  before_filter :authenticate_user!

  def index
    @books = current_user.books
  end

  def new
    @book = Book.new
  end

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class AddPriceToProduct < ActiveRecord::Migration
  def self.up
    add_column :products, :price, :decimal,
    :precision => 8, :scale => 2, :default => 0
  end

  def self.down
    remove_column :products, :price
  end
end

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## /users/edit.html.erb
<% form_for [:cp, @user], :url => { :action => 'update', :id => @user.id } do |f| %>
...
<%= collection_select :users, :show_id, Show.find(:all), :id, :name, { :prompt => true } %>

## users_controller.rb
@user.shows << Show.find(params[:users][:show_id])

## error
 ActiveRecord::AssociationTypeMismatch in Cp/usersController#update

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 userJson = {
  student: {}
}

if discharge_date
  userJson["student"].merge(discharge_date: value)
end

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class EventController < ApplicationController
  def edit
    event
  end
  
  private
  
  def event
    @event ||= Event.find(params[:id])
  end