Login

Tags

Factual Blog / Tagged:

spencer tipping

nfu: Command-line Numeric Fu

Note: Explore nfu on Github here We often use the UNIX command line for ad-hoc data crunching. Most of the time we have the good sense to use a better tool after the first 100 characters or so, but sometimes we’ll just blow past the right margin with a string of sort, uniq -c, sort -nr,...

The Flotsam Project: Insanely Fast Floating-Point Number Serialization for Java and Javascript

At Factual, we have a lot of geospatial data that we want to send to a browser. It’s often possible to use polygons or images to transmit this data efficiently, but a couple of weeks ago we ran into a case where we needed a floating-point quantity for each map tile pixel. We started by sending...