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Faster CRC32-C on x86
Computing the CRC-32C of a 4KB buffer on a modern x86 chip can be done as a simple loop around the crc32 instruction:
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The latest blog posts to take off on Hacker News. 49,218 posts.
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What's TypeScript compiling? Use a treemap to find out
Has TypeScript gotten slow for you? Run this one magic command to visualize what TypeScript is compiling, and maybe get to the root of the issue.
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Formally Verifying Rust's Opaque Types
Introduction The other day I was reading this blog post covering existential types in Rust (also known as impl Trait or opaque types). In that blog post, the author makes the following claim. We’re going to have to take a slight diversion into type theory here because it motivates a result that is perhaps intuitive…
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Meshtastic: A Review
The Meshtastic is my solarpunk dream—a cheap, encrypted, offgrid communicator. But the project is still in the alpha stages (and it shows).
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Differentiable programming from scratch
Differentiable programming has become a hot research topic, and not only due to the popularity of machine learning frameworks like TensorFlow, PyTorch, and JAX. Many fields apart from machine learning are finding differentiable programming to be a useful tool for solving optimization problems. In computer graphics…
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RISC-V based single board computers are getting there
When putting the Raspberry Pi Zero vs a MangoPi MQ Pro, who wins? Can the RISC-V D1 chip hold its own?
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If only Borland had stuck with Turbo Modula-2 for CP/M (2013)
I have written previously about why Turbo Pascal is a Great Choice For Programming Under CP/M and now it is time to talk about what could have been. You probabl
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Kubernetes reinvented virtual machines in a good sense
How Virtual Machines were used to deploy services. What old problems containers solve and what new problems create. How Kubernetes used containers to recreate Virtual Machines in a better way?
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The worst dam idea: evaporating the Mediterranean to power Europe
Lessons from Atlantropa, the megaproject to unite Europe (& erase Africa)
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The disproportionate influence of early tech decisions
On how software that survives first encounter with production tends to live longer than we think it should.
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Converting from the Game Gear to the Master System
Sometimes people ask me: “Nicole, how do you convert a Master System game to the NES?”, or some other combination of game consoles. And the answer is invaria...
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New Clojure Project Quickstart
Clojure beginners sometimes struggle with setting up a new Clojure deps.edn project compared to setting up a lein project. This is one of the reasons I've built neil . But not only for beginners, I've been using neil myself a ton too, to add common features to existing deps.edn projects. You may think that neil is a…
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TI-83 Plus One More
Repair of a TI-83 Plus calculator with a non-working screen
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People spend too much time on decisions with equally satisfying outcomes
The pitfalls of analysis paralysis
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Hitachi Wood Plug Cutter Works Perfectly in Hand Held Drills (2013)
I had meant to post on this some time back and forgot. I don’t altogether like plug cutters much, but good quality ones work well in drill presses (pillar drill UK). It’s the drill press that’s the problem more than anything. Often when I need a plug
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Shor, I’ll do it (2007)
I’ve been talking a lot recently about how quantum algorithms don’t work. But last week JR Minkel, an editor at Scientific American, asked me to write a brief essay about how quantum al…
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Famous HNers and their sites
Update: Here’s the link to the HN discussion about this post: https://news.ycombinator.com/item?id=32291993
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I Looked into 34 Top Real-World Blockchain Projects So You Don’t Have To
I looked at 34 projects listed by the top Google result for “real-world blockchain projects”. 33 of these are either dead, pivoted away from Blockchain, use Blockchain in a (sometimes dangerously) bad way, or are have no real-world utility.
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Using Nix on macOS
I recently started using the Nix Package Manager on macOS and the process has been painful. In this post, I’m going to write down how I’m currently using Nix...
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Carbon’s most exciting feature is its calling convention
Last week, Chandler Carruth announced Carbon, a potential C++ replacement they’ve been working on for the past two years. It has the usual cool features you expect from a modern language: useful generics, compile-time interfaces/traits/concepts, modules, etc. – but the thing I’m most excited about is a tiny detail…
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Clojure needs a Rails
I think there's another reason this problem persists in Clojure. There's no Rails for Clojure.
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Arris / Arris-variant DSL/Fiber router critical vulnerability exposure
Cybersecurity researcher, entrepreneur, and engineer.
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An accentuated Emacs experiment (à la macOS)
macOS has a wonderful input mechanism where you press and hold a key on your keyboard to display the accent menu. It's easy to internalize: *long pres...
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Want to Start a Startup, as a Software Engineer? Sell Something Online
When I decided to write and sell my first ebook, The Tech Resume Inside Out [https://thetechresume.com/], I expected to learn about the writing process. How to create a high-quality publication. How to work with editors. Designing a cover and illustrations for the book. And I have, indeed,
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Safety: A comparaison between Rust, C++ and Go
Memory safety is a hot topic, but what do we mean by it?
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My customized Wim Hof breathing method
The Official Homepage of Nyan Cat!
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I miss the programmable web (2021)
In some ways, we've taken a few steps back from a programmable web—two things I miss: bookmarklets and user scripts. Imagine having a bookmarked shortcut to do complex things like taking screenshots or saving a PDF. O...
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The Fourth Operation: What Comes After Exponentiation
Tetration -- repeated exponentiation a fractional number of times.
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