Some time ago I wrote about a Shell Script for calculating confidence intervals. Since I also do a lot of number crunching with PHP (hey, it’s web-based and works great with an SQL server for the data!) I wrote a PHP script to get the job done. Here’s how. Read the rest of this entry »
As some of my readers may know, I’m a big fan of the commandline. GUI tools are all very neat and stuff, but when it comes to doing bulk operations there really is no substitute for commandline scripting with pipe-and-filter structures. Luckily, the guys at MapleSoft provide a commandline interface to Maple, so it can be called directly from your favourite shell environment, allowing you to do more complicated stuff than possible when using ‘bc’ or AWK. Read the rest of this entry »
Ok, so OSX has a fancy terminal which can have transparent backgrounds etc. Surely, it looks really cool and ‘high tech’, but after some time you’ll want to settle back to usability: drop the shiny crap and get back to work. It took me nearly 15 minutes to figure out how to do this, and found several obscure ways when I finally resorted to googling after I could not find the option in Terminal’s Preferences. This is a problem I often encounter with Apple’s stuff, configurability is minimal and stuff is at weird places. Ok, so here goes.
Read the rest of this entry »
OMNeT++ can generate eventlogs. All really neat and such, but without proper syntax highlighting it is not very suitable for visual inspection. Read the rest of this entry »