Monthly Archives: September 2006
The Woz
I got to see Steve Wozniak speak at Columbia University last night, promoting his new book iWoz. Strongest impression: The man has an incredible amount of energy. He talked in a strong voice at high speed for nearly an hour … Continue reading
Project Posner: first look
Been too busy with work and class to post much, but here’s a link for all the IANALs out there: Project Posner. It’s an on-line database collecting the case opinions of Richard A. Posner, judge on the 7th Circuit Court … Continue reading
Breadth-first and Depth-first Searching
I’m playing some more with the early chapters of Artificial Intelligence: A Modern Approach, looking at basic tree search techniques for the 8-puzzle. I wrote simple breadth-first and depth-first search algorithms for this puzzle in Common Lisp. Here’s the code. … Continue reading
Who Needs Data Structures?
Ran across an interesting remark in a discussion of Microsoft hiring interviews: If I remember, a lot of MIT people back in the 70s broke the computer world into the Lisp and non-Lisp data typers. The Lisp folk took a … Continue reading
Property of Properties
I was looking at a problem in the early chapters of Artificial Intelligence: A Modern Approach. It’s called Vacuum World. This is a very simple agent problem consisting of a vacuum placed on a grid. The grid has only two … Continue reading
Loggerheadache
I decide to play around with the Java logging facility. I write a simple test program: import java.util.logging.*; public class LoggingTest { public static void main(String[] args) { Logger log = Logger.getLogger(“com.stuartsierra”); log.entering(“LoggingTest”, “main”); log.info(“Info Message”); log.warning(“Warning Message”); log.exiting(“LoggingTest”, “main”); … Continue reading