Archive for the ‘FOSS’ Category
Wednesday, June 5th, 2013
This problem had me baffled for more than a few minutes: I wrote a leJOS PIDController loop for a LEGO NXT project that used one motor's rotation encoder as the input to control another motor's set point. It didn't work: the output from the PIDController's doPID(int) was reliably zero. My ...
Posted in Breaktime, FOSS | No Comments »
Wednesday, July 25th, 2012
An old site that I've been meaning to renovate for too long gave me this problem today. For the first time in a more than a year I tried to upload an audio clip and it didn't work. What's supposed to happen is the user uploads images and sounds for ...
Posted in FOSS | No Comments »
Friday, August 19th, 2011
Originally posted at JavaProgrammingForums.com
Where can I store my application data?
I see a lot of people starting threads because they're struggling to persist (often) a little bit of data from one run of their Java application to the next. The offered solutions are often some kind of jiggery-pokery involving java.io.File. Not ...
Posted in Breaktime, Fixed, FOSS, software, Useful | 3 Comments »
Saturday, May 14th, 2011
[caption id="attachment_1271" align="alignright" width="150" caption="JBullet Basic Demo"][/caption]
I've been simulating the movement of a line-following robot in plain old Java recently, but wanted to try a few problems that need physics, so I downloaded JBullet - a Java port of the Bullet Physics Library. It needs LWJGL - the Lightweight Java ...
Posted in Broken, Fixed, FOSS, software | 10 Comments »
Wednesday, April 27th, 2011
BrickOS was an integral part of some work I did many years ago and I've been trying to dig the code up recently. It seems as though it fell out of the Ubuntu repositories some time ago (in as legos before the name change), so I'm currently installing the source ...
Posted in Breaktime, Broken, Fixed, FOSS, hardware, Life | No Comments »