Walking Blocks
December 04 2006 11:25 PM

Suppose you are standing on a street corner and need to get to another corner several blocks south east of you. Traveling only south or east (you can't cut diagonally through a block, nor would you double back and go north or west) how many paths are there from point A to point B?

See if you can figure it out then click through to read my solution.

Building Your Classpath Dynamically
November 30 2006 09:55 AM
Quite often I'll write a Java program that I want to run from the command line only to discover I need to include a dozen or more JARs in the classpath - and which JARs isn't obvious, not even from the the ClassNotFoundExceptions you wade through after each failed run. So add all the JARs in the lib directory -- except I'm lazy. Here's my solution that required far less typing.
An Adaptive Web
November 22 2006 06:04 PM
Some random thoughts I had on the plane while reading "Emergence" by Steven Johnson.
Core Web Services and Flickr's XML-RPC API
November 14 2006 10:01 AM

Flickr has an XML-RPC based API. Apple has a Framework for XML-RPC called Web Services Core. So you'd think it would be trivial to write a flickr client in Cocoa. While not particularly difficult, it is a pain in the neck. To save others that pain I've documented how I got it working.

Structured Data and iCal
October 20 2006 12:30 PM

Ever wish you could store structured data in an iCal appointment? And then be able to query that data later on? Using Applescript Studio this article shows how easy it is to build a simple data entry tool to create these attributed calendar entries.

Paul Graham Speaks
September 20 2005 03:49 PM
Getting Started with Cocoa Java
April 09 2005 05:38 PM
RESTful & Declarative
February 25 2005 03:42 PM
Spolsky Speaks
January 19 2005 12:13 PM
Hooking Into Amazon
November 18 2004 09:31 AM
New Backend
October 29 2004 03:29 PM
Command Line Clipboard
September 30 2004 02:23 PM
Berkeley XML DB -- arrrggghh!!!
June 01 2004 10:14 PM
Personal Proxies
April 20 2004 10:13 AM
DVD Capture
April 03 2004 11:11 PM
Different Responses for Different Referers
March 28 2004 07:53 AM
command line interfaces
March 19 2004 11:47 AM
BPML minus WS
March 09 2004 04:19 PM
free wifi
February 22 2004 11:55 AM
GraphViz
February 20 2004 05:47 AM
Generating Diagrams
February 17 2004 08:43 PM
Code Generation
February 11 2004 12:24 PM
scrapped
February 09 2004 01:47 PM
added categories
February 06 2004 12:10 AM
i miss eclipse
February 01 2004 04:06 PM
naked objects and prevayler
January 28 2004 10:51 AM
process driven design
January 26 2004 10:27 PM
objc: categories and posing
January 25 2004 12:53 PM
objective c: first difference
January 24 2004 11:19 PM
cock and balls command lines
January 24 2004 10:40 PM
BPML engine for tomcat?
January 20 2004 04:34 PM
extending struts
January 19 2004 11:12 PM
introduction
January 16 2004 09:40 AM