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Zig, Skia, Clojure, Geometry and the Japanese TV Show: ICFP Contest 2021
4-day coding marathon
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,497 posts.
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How to open a file in Emacs: a story about Lisp, technology, and human progress
A short story about Lisp, technology, and human progress.
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The Best Things and Stuff of 2021
Great things and people that I discovered, learned, read, met, etc. in 2021. No particular ordering is implied. Not everything is new.
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The Tether Ponzi Scheme
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An iOS app update that annoys me
Almost a year ago I started using a delightful little iOS app called Receipt Box. It did exactly what I wanted: I could tap in an expense and a category, and the app added a geo location to the exp...
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Uber's crazy YOLO app rewrite, from the front seat
I've worked on many projects throughout my career as a software engineer. However, Helix - Uber's Rider app rewrite in 2016 introducing Swift and RIBs - stands as the craziest project by a margin. This is my story and some of my journal entries from the time. Prologue It's
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The Fastest FizzBuzz Implementation
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Commit often, perfect later, publish once: Git best practices (2013)
Best Practices vary from environment to environment, and there is no One True Answer, but still, this represents a consensus from #git and in some cases helps you frame the discussion for the generation of your very own best practices.
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Challenges Building an Open-Source E Ink Laptop
In a previous article, I discussed my intention of Building an E-Ink Laptop . In this article, I want to introduce EI2030 and how we are building an open-source eink laptop and its challenges.
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A common mistake when NumPy’s RNG with PyTorch
A bug that plagues thousands of open-source ML projects.
1154
The Entire History of Soviet Rocket Engines
Soviet rocket engines - this article is about their history, their development, their use and their rockets.
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Openstreetmap’s product fails to compete with Google Maps
The landscape of OpenStreetMap-based mobile apps
1157
Impossible food sues to cancel earlier trademark owners
A multi billion dollar processed foods company called "Impossible Foods" is suing IMPOSSIBLE ® and seeking to cancel our federally registered trademarks. Here's our response.
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Why Learn Prolog in 2021?
?- learn(prolog).
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MinIO: A Bare Metal Drop-In for AWS S3
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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The goal of standards is to improve our future actions
A common failure mode is to consistently set your standards for yourself too high, and to always feel guilty for falling short. I diagnose why I think this is a major problem, and outline some of my tools for overcoming this
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The embedded YouTube player told me what you were watching
David Schütz's bug bounty writeups
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Why SELECT * is bad for SQL performance (2020)
Here’s a list of reasons why SELECT * is bad for SQL performance, assuming that your application doesn’t actually need all the columns. When I write production code, I explicitly specify the columns of interest in the select-list (projection), not only for performance reasons, but also for application reliability…
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Two lines of CSS that will improve HN on mobile (IMO)
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
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Git for Computer Scientists (2010)
Quick introduction to git internals for people who are not scared by words like Directed Acyclic Graph .
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HOWTO: Be more productive (2005)
“With all the time you spend watching TV,” he tells me, “you could have written a novel by now.” It’s hard to disagree with the sentiment — writing a novel is undoubtedly a better use of time than watching TV — but what about the hidden assumption? Such comments imply that time is “fungible” — that time spent watching…
1168
The Orbit of Planet Nine
Five and a half years after our proposal of the existence of Planet Nine, we have finally accomplished what is perhaps the most important t...
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Facebook took our election ad money then bulk-deleted our pages
Parliamentary elections in Bulgaria (EU country) were on the July 11th. We (a center-right opposition coalition) were running Facebook…
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Tech journalism is less diverse than tech (2020)
982 People. 14 Outlets. 80% White. 2% Black. 18% Other. After I published my post pointing out the hypocrisy of Big Tech Media in the diversity in tech debate, I got a few grunts of acknowledgement from a couple of the publications covered. Afterwards, these journalists sat on what was