Archive for July, 2007

How to Present Well (like Joe Gregorio)

Wednesday, July 25th, 2007

A nice tidbit from Joe’s talk at Oscon 2007:
Exposition: I can lie if you can learn

Stacked Bar Charts in JRuby using JFreeChart

Thursday, July 12th, 2007

I was getting some comments on a previous post asking about building stacked bar charts in JRuby using JFreeChart, so here’s another example:

# Mostly inspired by
# http://left.subtree.org/2007/01/15/creating-sparklines-with-jfreechart/
# have JFreeChart in your classpath, obviously, as well as jcommon.jar
require ‘java‘

module Graph
class StackedBar
include_class ‘java.io.File‘
include_class ‘org.jfree.chart.ChartUtilities‘
[...]

More Clever GMail Ads for Programmers

Tuesday, July 10th, 2007

Just like the folks from Jane Street Capital, Swivel really knows how to write good, eye-catching ad copy (for some crazy subset of the population):