gistfile1.txt

            <div id="controls">
                <% if signed_in? %>
                    <div class="dropdown">
                        <a href="#" data-toggle="dropdown" class="dropdown-toggle"><%= current_user.name %> <b class="caret"></b></a>
                        <ul class="dropdown-menu pull-right" role="menu">
                            <li>
                                <%= link_to("View Profile", user_path(current_user.username)) %>
                            </li>
                            <li>
                                <%= link_to("Edit Profile", edit_user_path(current_user.username)) %>
                            </li>
                            <li class="divider"></li>
                            <li>
                                <%= link_to("Sign Out", signout_path) %>
                            </li>
                        </ul>
                    </div>
                <% else %>
                    <%= link_to("Sign In", signin_path) %>
                <% end %>
            </div>