Elphin

geohash.org popped up recently with a method of generating short hash codes for geographical locations. The codes have some interesting properties and the algorithm is documented on wikipedia.
I recently started doing a Project Euler problem a day as a fun diversion. I found the geohash algorithm intriguing, so it became my “Euler problem” for the [...]

I wanted to track the delay of a mysql slave server in Munin, and found nothing appropriate after a quick google. So, in case anyone else finds it useful, here is a plugin which will allow you to do just that.
Here’s a typical graph:

Download: mysql_slave (1 Kb)
EDIT: I wrote this so I could better [...]