Best of 2019

The blog posts Hacker News loved most in 2019. 122 posts.

Design & UX
97

How Bad Is Your Colormap? (2014)

What this function does is to give you a lumninance-correct grayscale version of any matplotlib colormap. I've found this useful for quickly checking how my plots might appear if printed in black and white, but I think it's probably even more useful for stoking the flame of the internet's general rant against jet .

113

The Problem With Hexagons

H exagons are ubiquitous in wargames now (indeed, both Philip Sabin’s War: Studying Conflict Through Simulation Games and Peter Perla’s The Art of Wargaming feature hexagons on their book covers), but this wasn’t always the case. My first wargame – the first board wargame for many of us – was Avalon Hill’s original…

120

Hexagonal Cross Stitch

At least year’s Bridges Conference in Stockholm, I attended a short presentation by Susan Goldstine about “self-diagramming lace” . As motivation for the new work she was presenting, Susan referenced her paper from the year before on what she calls “symmetry samplers” . Samplers are an old tradition in fibre arts. A…