From time to time I create something useful or learn how to program something. These notes describe my results.

Color Choice Tools in Physpics, Making a List of Colors

Physpics provides several tools for choosing colors.

Using PHP "global"

The 'global' directive in PHP is unlike that in any other language. When I finally figured it out, I wrote this note.

Changing Photo Metadata

Every photo has meta-data, time stamp, shutter speed, and a lot more, including captions. At one time I wanted to automate adding captions. This note summarizes the results of my research.

Pictools - Webpage Framework

The physpics website is driven by the Pictools package described here.

Java Tips & Tidbits

Everything from how to start writing a program to building a user interface.