https://speakerdeck.com/mynameis 2012-11-20 15:41:59 -0500 https://github.com/chibisov/events-site-example https://github.com/chibisov/events-site-example Tue, 20 Nov 2012 00:00:00 -0500 https://speakerdeck.com/mynameis/developing-custom-queryset-methods https://speakerdeck.com/mynameis/developing-custom-queryset-methods