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Two Kinds of Techno-Optimism
A few things Marc Andreessen forgot to mention
New
The latest blog posts to take off on Hacker News. 3,824 posts.
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How does macOS manage virtual cores on Apple Silicon?
Code run in a lightweight Virtual Machine can’t take advantage of the Efficiency cores of the host Apple silicon Mac. How then does Sonoma handle its threads?
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Samsung and other manufacturers disable phones bought on gray markets
In a shocking turn of events, several smartphone manufacturers, including industry giant Samsung, have taken a drastic step that has left customers outraged. These companies have remotely disabled phones purchased through gray markets, effectively holding the users’ data hostage until they buy new phones from official…
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Trying out TinaCMS
I'm trying out TinaCMS to make it faster and easier to post here!
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Embeddings: What they are and why they matter
Embeddings are a really neat trick that often come wrapped in a pile of intimidating jargon. If you can make it through that jargon, they unlock powerful and exciting techniques …
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Cooler screens
Audible even over the squeal of an HVAC blower with a suffering belt, the whine of small, high velocity fans pervades the grocery side of this Walgreens. Were they always this loud? I'm not sure; some of the fans sound distinctly unhealthy. Still, it's a familiar kind of noise to anyone who regularly works around…
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Building a unikernel that runs WebAssembly – part 1
Hackweek 22 took place last week. During this week all the SUSE employees are free to hack on whatever they want. This one of the perks of working at SUSE 😎.
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Base64 Encoding, Explained
Base64 is an elegant way to convert binary data to text, making it easy to store and transport. This article covers the basics of Base64 encoding, including what it is, how it works and why it's important. It also shows how to encode and decode Base64 data in various programming languages.
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The heaviness of maintaining systems
Our systems and ourselves
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Marvelous Arithmetics of Distance
No reckoning allowed save the marvelous arithmetics of distance (from Smelling the Wind by Audre Lorde) Suppose a child comes up to you and says “I know 1 is odd and 2 is even, but I think 4 is mor…
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How to Make Your Own Spooky Magic Eye Pictures (Autostereograms)
The simple standalone C++ code that goes with this post and makes autostereograms, can be found at The 1990s! They felt like a wasteland of culture at the time, but looking back, there was hyper co…
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Hal Finney Was Not Satoshi Nakamoto
A compilation of evidence that Hal Finney and Satoshi Nakamoto were different people.
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Stealing OAuth tokens of Microsoft accounts via open redirect in Harvest App
How an open redirect in Harvest’s Outlook Calendar integration leaked the OAuth tokens of connected Microsoft accounts, with a step-by-step proof of concept.
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On not noticing rather too many things
Last year I was on a date, and, being somewhat new to San Francisco, proposed a walk directly through the Tenderloin. After we arrived, my date was somewhat disturbed: “What happened?” I said. “Di…
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Amiga ASCII Art
My thesis on Amiga ASCII art translated to English.
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The white furnace test
What;s up with those empty renders in rendering research papers? The white furnace test, one of my favourite rendering debug tools. It can be used to check several levels of implementation, not just the BRDF, but also the sampling and the Monte Carlo integration loop, Continue reading →
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NVMe SSD boot with the Raspberry Pi 5
In my video about the Raspberry Pi 5, I mentioned the new external PCIe port makes it possible to boot the standard Pi 5 model B directly off NVMe storage—an option which is much faster and more reliable than standard microSD storage (even with industrial-rated cards!). Enabling NVMe boot is pretty easy, you add a…
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Please be dying, but not too quickly, part 2: The patient's perspective
The right hand doesn't know what the left hand is doing: from investigator calls to taking back (almost) all the bad things I've ever said about New Jersey
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Transactions Are Not Locks (2022)
One thing I wish I had understood better earlier on in my experience with PostgreSQL is how transactions and locks can be used together to provide serializable logic.
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What every developer should know about GPU computing
A primer on GPU architecture and computing
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Refactoring has a price, not refactoring has a cost
We either refactor continuously as we build features -- paying the price. Or we slowly accumulate cruft until our codebase is impossible to change -- paying the cost.
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We have used too many levels of abstractions
A big percentage of so-called experts today only know how to configure tools, but they understand nothing about how things work at the deeper level. This is a real challenge and a big problem for the future.
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My website is one binary (2022)
my website is one binary 2022-04-06 ---------------------------- a.k.a. this one weird trick that inspires me to program creatively i have struggled for years to figure out a website framework that feels good to me. i tried all of the classics, including but limited to: - ghost - hugo - jekyll - sr.ht + tarball …
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Recent adventures in performance optimization with Rust
How to hash, index, profile, multi-thread, and SIMD your way to incredible speeds.
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"No, it's less effort than that"
Ever heard ‘No, it’s less effort than that!’? Learn why challenging Agile estimates can lead to bad planning and how to handle estimate pushback effectively.
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MMO Architecture: clients, sockets, threads and connection-oriented servers
More on MMO Architecture:- MMO Architecture: Source of truth, Dataflows, I/O bottlenecks and how to solve them- MMO Architecture: Optimizing Server Performance with Lockless Queues- MMO Architectur…
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The next Raptor OpenPOWER systems are coming, but they won't be Power10
I'd like to first start out by saying I've been aware of new developments but made certain promises to keep my mouth shut until all the pa...
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Mitigating the Hetzner/Linode XMPP.ru MitM interception incident
(If you just want some recommendations for what to do, skip down to the Recommendations section below .)
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Hackers stole access tokens from Okta's support unit
Okta , a company that provides identity tools like multi-factor authentication and single sign-on to thousands of businesses, has suffered a security breach involving a compromise of its customer support unit, KrebsOnSecurity has learned. Okta says the incident affected a “very small number” of customers, however it…