John questions

• Spring 4 Hibernate validator localized messages
• Spring security authentication provider java config
• Django Pylons myths [closed]
• rails 3.2 capybara Capybara::ElementNotFound:Unable to find xpath "/html"
• spring boot override default REST exception handler
• c++ references array
• How to get the content of an XML node using XPath and Nokogiri
• django foreign key save

John answers