A Call for Reason
An essay rebutting infantile attitudes of the anti-science movement.
November 2, 2006
Newsletter with zoo photos and mention about ICANN.
October 13, 2004
October 13, 2004 newsletter. Chris Webb married Stacey Porter.
Major Directory Changes at ShawnOlson.Net
Topics pages now only list articles by Shawn Olson and very close friends and family.
2013 in Review
Newsletter about 2013, including various losses in our family and other news.
July 24, 2004
July 24, 2004 Newsletter with a comment about testing new programs and my new interest in the ambush bug.
February 28, 2004
February 28, 2004 newsletter.
PHP Traits for Implementing Interfaces
PHP 5.4 introduced traits. Traits are in many ways like code-assisted copy and paste. They are ways to mix code into a class without inheritance. But what are they good for? When should they be used?