The Dev Donkey Blog

A lot of things going on at Pentaho have kept me away from this blog in the past months, but in the meanwhile, in my spare time, I've been playing with a couple of things. I had time to pimp up my 3D printer's heatbed for one thing.
The top layer is a piece of pyroceramic glass. It can withstand huge temperatures and supports very well abrupt temperature changes. This also means that it doesn't change shape at all when heated. This is the most critical requirement of a high end...

I often get asked how to use custom programmatic roles in Mondrian. It is actually very simple to get started. All you need is Mondrian and its dependencies, along with the following code.
It happens in three parts.
First you need to create a MondrianServer instance....

Some of you might remember the famous sketch from Monthy Python's The Meaning of Life featuring the machine that goes Bing!
Although its sole purpose is to go Bing!, the concept of such a machine appealed to me for no particular reason. Besides, I had a few electronic parts that I needed to test so I figured that a machine that goes Bing! was just as good as any....

The olap4j project has had a regain in momentum lately, when community contributor Mark Semsel joined the project and offered to do some work on making olap4j compatible with Oracle Essbase. This is a very interesting milestone. We can scratch one more...