Best of 2021

The blog posts Hacker News loved most in 2021. 5,820 posts.

Any topic
5491

Jsc: My New Best Friend

A friend of mine recently pointed me at a well hidden command line tool. In the JavaScript framework used by Safari and other parts of Apple’s products, there is a tool called jsc. It’s a command line interface for JavaScript that uses the same code as the rest of the system. You can find the […]

5492

The Geometry of Color Perception

The previous pages have explained three very different methods for defining a color: (1) the measurement of the color stimulus as a spectral emittance or reflectance curve in colorimetry ; (2) the proportional responses to the stimulus by the L , M and S cones, represented as a chromaticity diagram ; and (3) the…