app/views/job_applications/postings/_form.html.erb
<%= form_for @posting, url: job_application_posting_path do |f| %>
<%= error_messages_for @posting %>
<div class="field">
<%= f.label :job_title %><br>
<%= f.text_field :job_title %>
</div>
<div class="field">
<%= f.label :posting_date %><br>
<%= f.date_field :posting_date %>
</div>
<div class="field">
<% source_opts = options_for_select(
generate_select_opts_for_source_names,
@posting.source_id
) %>
<%= f.label :source_id %><br>
<%= f.select :source_id, source_opts, include_blank: true %>
</div>
<div class="field">
<%= f.label :content %><br>
<%= f.text_area :content, :size => '80x40', :class => 'md_edit' %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>