Code enforcement articles:

Bounds for Duals in a JuMP Model With the Gurobi Solver

It’s rare that I come across a problem whose solution is, as far as I can tell, nowhere on the Internet. I’m posting this here in case someone else, like me, wonders: after solving a linear optimization problem using JuMP with the Gurobi solver in Julia, what are the upper and lower bounds to the duals (shadow values)? If that’s why you’re here, at least you know you’re not alone! Read more...

List all fonts in directory's PDF files

Someone at work asked if we could search through our platemaking files to see what were the most popular fonts used each month. Wouldn’t that be something fun to share? “Trending letterpress fonts.” So this of course called for a command-line one-liner: Read more...

Bye Bye Dropbox

After terrible @Dropbox support, happily moving @DebbieUrbanski over to @ownCloud with s3ql storage = pennies for ∞ space. Great combo.— Harold Kyle (@harold_kyle) October 14, 2014 Read more...

Hello Jekyll

So my big news is that I’m starting an MBA program this month, at MIT Sloan. Realizing that I’ll need to take a lot of notes in the upcoming months, I hunkered down this last weekend to figure out how to stay organized. Read more...