gistfile1.rb

# _form.html.erb
<%= form_for @profile do |f| %>
  <% if @profile.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(@profile.errors.count, "error") %> prohibited this profile from being saved:</h2>

      <ul>
      <% @profile.errors.full_messages.each do |msg| %>
        <li><%= msg %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    Education
    <%= fields_for @profile.education do |e| %>
      <%= e.label :name %><br />
      <%= e.text_field :name %>
    <% end %>
  </div>



<% if false %>
  <div class="field">
    Experience
    <%= f.label :experience %><br />
    <%= f.text_field :experience %>
  </div>
  <div class="field">
    Published Work
    <%= f.label :published_work %><br />
    <%= f.text_field :published_work %>
  </div>
  <div class="field">
    Honor
    <%= f.label :honor %><br />
    <%= f.text_area :honor %>
  </div>
  <div class="field">
    Activity
    <%= f.label :activity %><br />
    <%= f.text_area :activity %>
  </div>
  <div class="field">
    Certification
    <%= f.label :certification %><br />
    <%= f.text_area :certification %>
  </div>
  <div class="field">
    Skill
    <%= f.label :skill %><br />
    <%= f.text_area :skill %>
  </div>
<% end %>
  <div class="actions">
    <%= f.submit %>
  </div>
<% end %>



# profile.rb
class Profile < ActiveRecord::Base
    belongs_to :user
    has_many :educations
    has_many :experiences
    has_many :published_works
    has_many :honors
    has_many :activities
    has_many :certifications
    has_many :skills
end

# education.rb
class Education < ActiveRecord::Base
    belongs_to :profile
end

# education
name:string
start:date
end:date
profile:references
degree:string