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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 11,903 posts.
11792
20x faster than pgvector: HNSW index in Postgres with pg_embedding
We’re excited to announce the release of our pg_embedding extension for Postgres and LangChain! The new pg_embedding extension brings 20x the speed for 99% accuracy to graph-based approximate nearest neighbor search to your Postgres databases. While the pgvector extension with IVFFlat indexing has been a popular…
11793
A Year Away from Mac OS
This is the fifth post in my series on finding an alternative to Mac OS X. A bit over a year ago I wrote about my search for an alternative to Mac OS and switch to Linux. In this post I reflect on how that year went and detail some further adventures into Mac OS alternatives.
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The CAP theorem. The Bad, the Bad, & the Ugly
The CAP theorem is too simplistic and too widely misunderstood to be of much use for characterizing systems.
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Richard Dawkins' response to “What scientific idea is ready for retirement?"
Essentialism—what I’ve called "the tyranny of the discontinuous mind"—stems from Plato, with his characteristically Greek geometer’s view of things. For Plato, a circle, or a right triangle, were ideal forms, definable mathematically but never realised in practice. A circle drawn in the sand was an imperfect…
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The Connection Machines CM-1 and CM-2 (2015)
Thirty years after its launch in 1987, a CM-2 was acquired by MoMA NY. It is only on display in selected shows - its inaugural exhibit was in " Thinking Machines: Art and Design in the Computer Age, 1959-1989"
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What I Learned from Watching Notch Code
Ludum Dare coding secrets: continuous, thorough testing for better user experience. Learn how to level up your game development process!
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The first open company
Gittip is not just another web app or start-up, it’s a new kind of company. I’m calling it an “open company,” and here are its three defining principles:
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IllumiRoom: Peripheral Projected Illusions for Interactive Experiences
IllumiRoom is a proof-of-concept system from Microsoft Research. It augments the area surrounding a television screen with projected visualizations to enhance the traditional living room entertainment experience. Read the CHI 2013 Best-Paper: IllumiRoom: Peripheral Projected Illusions for Interactive Experiences (7.6…
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OverflowAI
Let’s highlight the new features and products we announced today from the stage of WeAreDevelopers.
11802
Gap Buffers Are Not Optimized for Multiple Cursors
Gap buffers are a common data structure for representing a text buffer in a text editor. Emacs famously uses gap buffers — long-standing proof that gap buffers are a perfectly sufficient way to represent a text buffer.
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How Python 3 Should Have Worked (2012)
As a workaday Python developer, it’s hard to shake the feeling that the Python 2 to 3 transition isn’t working. I get occasional requests to make my libraries work in 3 but it’s far from clear how to and when I try to look it up I find all sorts of conflicting advice, none of which sounds very practical.
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Good conversations have lots of doorknobs
Or "Spiderman Is My Boyfriend"
11805
The KK Computer: A Radical 6502 Redesign
The main feature is fast access to a flat, 24-bit address space. Although there are many ways to retrofit a 'C02 with expanded memory, AFAIK none can touch this implementation for speed. Given any random address in the 16 megabyte space, KK can fetch that byte in 6-8 cyles. It's fast because:
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Introducing Stellar: a decentralized protocol for sending and receiving money
Stellar is a decentralized protocol for sending and receiving money in any pair of currencies. This means users can, for ...
11809
Defense Against AI-Guided Traffic Analysis (Daita)
Even if you have encrypted your traffic with a VPN (or the Tor Network), advanced traffic analysis is a growing threat against your privacy. Therefore, we now introduce DAITA.
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Practicing Programming (2005)
Practicing Programming Stevey's Drunken Blog Rants™ Back in October I wrote an essay in which I compared programming to other professions. In it, I made the unsubstantiated claim that programming is unusual, in that most programmers don't practice their craft -- at least, not in any disciplined
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Uniformity vs. Individuality in Mac UI Design
The conservatives see non-standard custom UI elements as wrong. Liberals see an app built using nothing other than standard system UI elements as boring, old-fashioned, stodgy.
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Faster DISTINCT queries on PostgreSQL
Learn common performance pitfalls and discover techniques to optimize your DISTINCT PostgreSQL queries. Read the full article on the Tiger Data blog.
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Understanding lvalues and rvalues in C and C++
The terms lvalue and rvalue are not something one runs into often in C/C++ programming, but when one does, it's usually not immediately clear what they mean. The most common place to run into these terms are in compiler error & warning messages. For example, compiling the following with gcc :
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Implementing VisiCalc (2003)
I'm writing this in preparation for the Computer History Museum's The Origins and Impact of VisiCalc panel on April 8th 2003. This is basically a draft and I hope to do some more editing as time permits and you should expect many typos until then. I'm also going to continue to edit and change this as I remember…
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Systemd's DynamicUser feature is currently dangerous
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…
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Introducing OpenType Variable Fonts
“” is published by John Hudson in VariableFonts.io.
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Native Client: Getting Ready for Takeoff
Over the last few months we have been hard at work getting Native Client ready to support the new Pepper plug-in interface. Native Client ...
11819
Why the iPhone will fail (2007)
The forthcoming (June 29) release of the Apple iPhone is going to be a bigger marketing flop than Ishtar and Waterworld (dating myself aga...
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My Letter to the Tor Project
N ow I a fourfold vision see A nd a fourfold vision is given to me T is fourfold in my supreme delight A nd three fold in soft Beulahs night A nd twofold Always. May God us keep F rom Single vision & Newtons sleep. — W illiam B lake