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Show HN: Domain-tailored CRDTs for collaboration without server involvement
An in-depth exploration of a new class of expressive, performant, and intuitive CRDTs, together with macOS and iOS sample code.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 11,892 posts.
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Generating code
How to use go generate.
1504
Lifetimes of cryptographic hash functions
Quick summary of my recommendations on compare-by-hash: If you are using compare-by-hash to generate addresses for data that can be supplied by malicious users, you should have a plan to migrate to a new hash every few years. For example, BitTorrent falls into this category, but rsync doesn't. Keep in mind that new…
1505
Surgical masks reduce Covid-19 spread, large-scale Stanford study shows
Researchers found that surgical masks impede the spread of COVID-19 and that just a few, low-cost interventions increase mask-wearing compliance.
1506
Pratt Parsers: Expression Parsing Made Easy (2011)
Every now and then, I stumble onto some algorithm or idea that’s so clever and such a perfect solution to a problem that I feel like I got smarter or gained a new superpower just by learning it. Heaps were one, just about the only thing I got out of my truncated CS education. I recently stumbled onto another: Pratt or…
1507
The FFmpeg/Libav situation
One year and a half ago, an important part of FFmpeg developers decided to change the way the project was managed. This led to some kind of takeover , mainly to get rid of the old maintainer dictatorship, but also to change development methods, redefine objectives, etc. Then, for various reasons I will quickly…
1508
The Linux Security Circus: On GUI isolation
There certainly is one thing that most Linux users don't realize about their Linux systems... this is the lack of GUI-level isolation, and ...
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Haunted by Data
This is the text version of a talk I gave on October 1, 2015, at the Strata+Hadoop World conference in New York City. The video version is here (20 mins).
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Signify: Securing OpenBSD from Us to You
I'm going to talk today about signify, a tool I wrote for the OpenBSD project that cryptographically signs and verifies. This allows us to ensure that the releases we ship arrive on your computer in their original, intended form, without tampering.
1513
Why conventional wisdom on health care is wrong (a primer) (2020)
Rich countries consume much higher quantities via higher intensity/tech. It's NOT high and rising: wages, profits, administration, encounters, etc. Income well explains American behavior here too.
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Joint Statement on the GNU Project
Blog posts about GNU Guix.
1517
ZFS: Use mirror vdevs, not RAIDZ
Continuing this week’s “making an article so I don’t have to keep typing it” ZFS series… here’s why you should stop using RAIDZ, and start using mirror vdevs instead.
1518
Numbering should start at zero (1982)
To denote the subsequence of natural numbers 2, 3, ..., 12 without the pernicious three dots, four conventions are open to us
1519
How I Cured my RSI Pain (2010)
For two years I suffered from severe hand, wrist, and forearm pain while typing. After spending a lot of money on world-class medical professionals and ergonomic products but seeing poor results, I was ultimately able to cure all my pain by reading The Mindbody Prescription (TMP). Now I can type for as long as I want…
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Understanding LSTM Networks (2015)
Humans don’t start their thinking from scratch every second. As you read this essay, you understand each word based on your understanding of previous words. You don’t throw everything away and start thinking from scratch again. Your thoughts have persistence.
1521
What the Dunning-Kruger effect is and isn’t (2010)
If you regularly read cognitive science or psychology blogs (or even just the lowly New York Times!), you’ve probably heard of something called the Dunning-Kruger effect. The Dunning-Kruger e…
1522
Microsoft killed my Pappy
I was talking to a young ( The ones I find the most interesting are the ...
1523
The Systemd Chronicles
There is a menace which is spreading like a disease throughout the Linux world, it is called systemd .
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Europe: The end of the privacy of digital correspondence
The End of the Privacy of Digital Correspondence The EU wants to oblige providers to search all private chats, messages, and emails automatically for suspicious content - generally and indiscriminately. The stated aim: To prosecute child pornography. The result: Mass surveillance by means of full
1526
A dozen USB chargers in the lab: Apple is good, but not quite the best (2012)
When you buy a USB charger, how do you know if you're getting a safe, high-quality charger for your money? You can't tell from the outside...
1527
Block AI bots, scrapers and crawlers with a single click
To help preserve a safe Internet for content creators, we’ve just launched a brand new “easy button” to block all AI bots. It’s available for all customers, including those on our free tier
1528
The Original Hacker's Dictionary (1988)
[This file, jargon.txt, was maintained on MIT-AI for many years, before being published by Guy Steele and others as the Hacker's Dictionary. Many years after the original book went out of print, Eric Raymond picked it up, updated it and republished it as the New Hacker's Dictionary. Unfortunately, in the process, he…
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And so I'm giving up the Mozilla project - Jamie Zawinski (1999)
April 1st, 1999 will be my last day as an employee of the Netscape Communications division of America Online, and my last day working for mozilla.org.
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Rewriting the Technical Interview (2020)
Update, November 2023: here are the full term rewrite and language macros which formed the seed of this story. These files include OO notation as well as the basic Algol syntax shown here. There is also a sketch of an object-oriented language with classes and inheritance, implemented as a Clojure macro. I do not…