Profile your code!

As part of an ongoing contract, there was a need to parse and specifically classify traffic from multiple common log format files. As the rest of the stack in play was using Perl, the utility written to do so was also written in Perl. Yes, I know its 2020.

For …


NiMH Battery Pack Burn-in

Code / Python ::

My wife and I purchased a set of 3 used Cuda 400 DPVs which included 6 NiMH battery packs of various age and abuse. Prior to purchase the battery packs were float charged on the shelf for half a year without a full discharge cycle. First test outing we had …


Buhlmann implementation

Code / Python :: Scuba ::

after OW classes, for some topics found myself with more questions then answers. seems that understanding decompression algorithms is ‘a phase’ that some divers just have to go through.

the ‘reference’ gas loading model is Buhlmann ZHL-16. what better way to understand something than to build it?

started as …


Cookie Monster

Code / Python :: Web ::

keeping state on the server side is a common hindrance to scaling out beyond a single server. anything you can have the client keep track of, you do not have to worry about synchronizing across nodes on the server side.

without getting into crazy stuff like ASN.1, wanted to …


Scrabble solver

Code / Perl :: C ::

snippet of brute force scrabble solving. written as an exercise in data locality optimization.



ECU SD data-log analysis

Code / Perl ::

an abuse of in memory databases to replace an abuse of spreadsheets; required as the piggyback ECU’s tool-set did not include any number crunching ability. replaced soon after by proper ECU tuning tools included with the megasquirt platform, but was a useful exercise in moving data around nonetheless.

github …