The Global Day of Code Retreat is Saturday, Dec. 14th. It is a day-long, intensive practice event, focusing on the fundamentals of software development and design. By providing developers the opportunity to take part in focused practice, away from the pressures of "getting things done," the code-retreat format has proven itself to be a highly effective means of skill improvement.
Events are happening around the world, and following JUGs are hosting retreats (add your JUG-sponsored event to the comments):
To learn more, visit coderetreat.org