Simon Willison’s Weblog

Friday, 4th January 2008

Encoded Polyline Algorithm Format. Google Maps does some pretty crazy bit mangling to create compressed versions of lat/long pairs. # 4:12 pm

The data portability folks want to make it easy for you to jump from service to service. I want to make it easy for users of one service to talk to people on another service.

Dare Obasanjo # 2:56 pm

HTTP Cache Channels (via) Interesting extension to the HTTP caching model by Mark Nottingham: caches can be told to subscribe to an Atom feed which alerts them to cached data that has gone stale. Group invalidation is also supported. # 12:48 pm

From my perspective, it is crucial for Linux to have good support for Silverlight because I do not want Linux on the desktop to become a second class citizen ever again. [...] The core of the debate is whether Microsoft will succeed in establishing Silverlight as a RIA platform or not. You believe that without Moonlight they would not have a chance of success, and I believe that they would have regardless of us.

Miguel de Icaza # 12:42 pm

The Dark Side Of The Moon (via) Robert O’Callahan believes that Moonlight is a strategic mistake, because it gives credibility to Microsoft’s entry to a new market which they will use to “keep the competition on a treadmill”; Moonlight can also never be entirely free due to the need for a proprietary codec (VC-1) available only as a binary blob. # 12:41 pm

Django on Jython (via) Outstanding work from Jim Baker and the Jython team: Django now runs on the modern branch of Jython, with a couple of patches and some failed doctests due to dictionary order (a problem with Django’s test suite). # 12:35 pm