Best of 2021

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

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1505

PostGIS at 20, the Beginning

Twenty years ago today, the first email on the postgis users mailing list (at that time hosted on yahoogroups.com) was sent, announcing the first numbered release of PostGIS. The early history of PostGIS was tightly bound to a consulting company I had started a few years prior, Refractions Research. My first contracts…

1506

Delta Variant

Cases are growing exponentially across the world. Again. If you don’t know where this is going, a historical refresher might help. India has suffered about two million COVID deaths, the majority of them during its latest surge caused by Delta.Victims of COVID-19 are cremated in funeral pyres in New Delhi.

1512

DNA seen through the eyes of a coder

Updates: 12th of September 2021: I’m writing a book on DNA! If you want to become a beta reader, or have suggestions, I’d love to hear from you! 8th of January 2021: This article has been revised and updated, scientifically and in terms of dead links. Revision made by Tomás Simões (@putadagravidade /…

1516

SAML Is Insecure by Design

What is SAML? Security Assertion Markup Language (SAML) is an open standard for exchanging authentication and authorization data between parties. Source: Wikipedia SAML is often used for single-sign on (“Sign in with Google”, “Sign in with Twitter” etc.). It means when you want to log in to example.com, example.com…

1530

Is 40 the New 60?

Here's a funny story: I've been using and teaching Python for over 20 years, and designed its built-in set module, but nobody would hire me as a Python programmer when I was laid off by RStudio in February. I was "too senior" for every developer role I applied for, even when the first paragraph of my cover letter said…