Simon Willison’s Weblog

Undo commit in subversion. svn merge -r 1708:1707—I can never remember how to do this. 3rd January 2008, 4:43 pm

ActsAsUndoable. Lawrence Carvalho shows how robust undo functionality can be added to a JavaScript application through careful application of the Memento design pattern. 18th September 2007, 3:51 pm

Undelete in Django. Inspired by the conversation about undo the other day, Nathan Ostgard created a simple solution based around custom managers and a trashed_at model field. 20th July 2007, 6:54 pm

Never use a warning when you mean undo. The abundance of “undo” is one of my favourite things about Gmail. I wonder if there’s anything Django could do to make implementing undo functionality easier... 17th July 2007, 11 am