app/views/setting/_api_key.erb
<div role="tabpanel" class="tab-pane<%if @in == 'api'%> active<%end%>" id="api">
<div class="panel-body">
<div data-example-id="simple-table" class="bs-example">
<%= render 'shared/alert_message'%>
<b>My API Key</b>
<br /><br />
<%= me_api_key %>
<br /><br />
<%= form_for @user, url: '/' + me.username + '/setting/key/generate' do |f| %>
<div class="form-group">
<%= div_for(@user, class: 'form-group') do %>
<%= submit_tag 'Generate new', class: 'btn btn-primary' %>
<%end%>
</div>
<% end %>
</div>
</div>
</div>