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Prolly Trees
A deep dive into the Probabilistic B-tree or Prolly Tree data structure including examples. Prolly Trees are used to create version controlled databases.
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The latest blog posts to take off on Hacker News. 80,900 posts.
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Network Tunneling with QEMU
While investigating an incident, we detected uncommon malicious activity inside one of the systems. We ran an analysis on the artifacts, only to find that the adversary had deployed and launched the QEMU hardware emulator.
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A peculiarity of the X Window System: Windows all the way down
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
16444
Free data transfer out to internet when moving out of AWS
You told us one of the primary reasons to adopt Amazon Web Services (AWS) is the broad choice of services we offer, enabling you to innovate, build, deploy, and monitor your workloads. AWS has continuously expanded its services to support virtually any cloud workload. It now offers over 200 fully featured services for…
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Fonts are still a Helvetica of a Problem
CVEs in three strange places and the unique problem of safely processing and handling fonts.
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Leaving LinkedIn
What if your dedication to doing things right clashed with your company's fast pace? Chris Krycho faced this very question at LinkedIn. His journey was marked by challenges: from the nuances of remote work to the struggle of influencing company culture, and a critical incident that put his principles to the test…
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OpenAI and Elon Musk
We are dedicated to the OpenAI mission and have pursued it every step of the way.
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BlackCat ransomware group implodes after apparent payment by Change Healthcare
There are indications that U.S. healthcare giant Change Healthcare has made a $22 million extortion payment to the infamous BlackCat ransomware group (a.k.a. “ ALPHV “) as the company struggles to bring services back online amid a cyberattack that has disrupted prescription drug services nationwide for weeks. However…
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A Bug in Early Creative Commons Licenses Has Enabled Copyleft Trolls (2022)
Copyleft trolls, robosigning, and Pixsy.
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Training LLMs from ground zero as a startup
Chronicles of training strong LLMs from scratch in the wild
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Ace of Aces: Why you should do maths as a game designer
Every now and again you come across something that stretches your brain in a new direction. Last week I stumbled on a magic trick of a Choose Your Own Adventure: Al Leonardi’s Ace of Aces, a paper …
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Cracking Meta's Messenger Certificate Pinning on macOS
Bypassing certificate pinning in Meta’s Messenger application on macOS.
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Array languages vs. the curse of the spreadsheet
It has been said that the most popular programming language in the world is the spreadsheet (and in particular these days, Excel). There...
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JEDEC publishes GDDR7 graphics memory standard
ARLINGTON, Va., USA – MARCH 5, 2024 – JEDEC Solid State Technology Association , the global leader in the development of standards for the microelectronics industry, is pleased to announce the publication of JESD239 Graphics Double Data Rate (GDDR7) SGRAM. This groundbreaking new memory standard is available for free…
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Linux Touchpad Like MacBook Update: 2023 Progress on Smooth Scrolling
Bill is driven by the challenge of how best to quantify valuable questions that defy quantification. It's possible this instinct may have been awakened in Bill at age 14, when he won a soft, stuffed bunny at the orthodontist for guessing the number of jelly beans in the gumball machine.
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This Is Knuth 3:16 (2002)
A Celebration of Donald E Knuth
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New ways we're tackling spammy, low-quality content on Search
We’re making updates to show less unoriginal, low-quality content on Search.
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The "missing" graph datatype already exists. It was invented in the '70s
This post is a response to/inspired by The Hunt for the Missing Data Type ( HN ) by Hillel Wayne. I suggest reading his article first.
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Kagi and Wolfram
Building a search engine is hard. Delivering accurate and reliable search results requires processing vast amounts of data, understanding complex queries, and constantly evolving to meet user expectations. In an era where AI-generated content is becoming...
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Journalist casualties in the Israel-Gaza war
Committee to Protect Journalists2024449 points807 commentscited by 3Society, Policy & Culture details
Editor’s note: In keeping with CPJ’s methodology, data will be updated as new information becomes available. See CPJ’s database for the most current data on killed journalists. As of September 24, 2026, CPJ’s preliminary investigations show that at least 247 journalists and media workers are among the more than tens…
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Nerdy internals of an Apple text editor
Fascinating engineering details behind Paper.
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Facing reality about the EU is a core requirement for good management
Writing at the end of the world, from Hveragerði, Iceland
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Cloudflare Announces Firewall for AI
Cloudflare is one of the first providers to safeguard LLM models and users in the era of AI
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Interactive SQLite Documentation: Experiment with Queries in Real-Time
At SQLite Cloud, we are dedicated to making database management as seamless and intuitive as possible. Today, we are thrilled to unveil a groundbreaking addition to our platform - the Interactive SQLite Documentation! Now, alongside our comprehensive...
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The Future That Never Was
In 1990, the strategic PC operating system of Microsoft and IBM was not DOS, not Windows, but OS/2. The first 16-bit OS/2 was initially released in 1987 with a reduced feature set, but by the end of 1989, OS/2 1.2 completed two major features: The Presentation Manager GUI (first seen in OS/2 1.1) and installable file…
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Stable Diffusion 3: Research Paper
Following our announcement of the early preview of Stable Diffusion 3, today we are publishing the research paper which outlines the technical details of our upcoming model release, and invite you to sign up for the waitlist to participate in the early preview.
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Sell for half a billion and get nothing (2021)
Learn how liquidation preferences and drag-along rights can leave startup founders with zero payout—even in a half-billion dollar exit
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My talk on CSS runtime performance
A few months ago, I gave a talk on CSS performance at performance.now in Amsterdam. The recording is available online: (You can also read the slides.) This is…