app/helpers/application_helper.rb
module ApplicationHelper
def page_header(title, &block)
content_for(:title, title)
html = '<div class="page-header">'.html_safe
html += '<div class="pull-right">'.html_safe
html += capture do
block.call
end
html += "</div>".html_safe
html += '<h1>'.html_safe
html += title
html += '</h1>'.html_safe
html += "</div>".html_safe
html
end
end