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4 min Emacs screencast inspired by Bret Victor's Inventing on Principle
And its sibling slime-js-jack-in-browser are some conveniences that I've built around slime-js. You can find them here in my .emacs.d on github.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,834 posts.
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Creating an autopilot in X-Plane using Python
Introduction Today’s post will take us in a slightly different direction than the last few. Today’s post will be about hooking up some Python code to the X-Plane flight simulator to enable development of an autopilot using PID (proportional-integral-derivative) controllers. I’ve been a fan of flight simulators for…
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Rendering Moana with Swift
Moana (2048×858 pixels, 64 spp) rendered with Gonzales on a Google Cloud Instance with 8 vCPUs and 64GB of memory in roughly 26 hours. Memory usage is about 60GB. (Denoised with OpenImageDenoi…
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Designing a Programming Language for the Desert
A high-performance and high-level purely functional data-parallel array programming language that can execute on the GPU and CPU.
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Bbtree: Fastest Ordered Map
How bbtree, a drop-in replacement for std's BTreeMap, cuts cache misses, instructions and cache coherence traffic, and how it is kept correct.
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A Breakdown of HTTP Clients in Elixir
This is an overview of the HTTP clients we have available in Elixir, as well as when to use each one.
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Lindenmayer systems
A Lindemayer system or LSystem for short consists of an alphabet of symbols that can be used to make strings, a collection of production that expand each symbol into some larger string of symbols, an initial “axiom” string from which to begin construction, and a mechanism for translating the generated strings into…
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Inserting 130M SQLite rows per minute from a scripting language
The other week, I stumbled on the post Inserting One Billion Rows in SQLite Under A Minute , which was a funny coincidence, as I was just in...
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Training agents to invent a language
In this post we’ll outline new OpenAI research in which agents develop their own language.
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Scheme Is a Hoot
Lately I've been spending time learning Scheme and using it to implement the concepts I'm learning in my physics classes as time permits. One of the most exciting things I've been doing with this is getting my Scheme to compile to the Web thanks to Hoot. One of the biggest challenges has been the fact that Hoot is…
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Verifying distributed systems with Isabelle/HOL
We use distributed systems every day in the form of internet services. These systems are very useful, but also challenging to implement because networks are unpredictable. Whenever you send a message over the network, it is likely to arrive quite quickly, but it’s possible that it might be delayed for a long time, or…
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Simple Physics-based Flight Simulation with C++
Creating simple but realistic physics-based flight simulations from scratch with C++ and OpenGL.
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Zluda 6 release (run unmodified CUDA applications on non-Nvidia GPUs)
Hi, and welcome to the latest ZLUDA update! Since I skipped the last update, this special issue covers all the developments made in ZLUDA since the start of the year. We now have two new major workloads: PhysX ( PhysX pre-alpha ) and Blender ( Textures support ). Much of this overlaps with Much improved Windows…
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In defense of coding interviews
What did whiteboards ever do to you?
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iOS 17 is available today
iOS 17 makes iPhone even more personal and intuitive with StandBy, easier sharing with AirDrop, and more, and is available as a free software update.
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My worst tech interview experience
Everyone in tech seems to have a “terrible tech interview” story. The topic quietly orbits in the ether of our industry and periodically bursts through the a...
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Verilog Is Weird
Verilog is the most commonly used language for hardware design in America (VHDL is more common in Europe). Too bad it's so baroque. If you ever browse the Verilog questions on Stack Overflow , you'll find a large number of questions, usually downvoted, asking “why doesn't my code work?”, with code that's not just a…
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Big Ball of Mud (1999)
While much attention has been focused on high-level software architectural patterns, what is, in effect, the de-facto standard software architecture is seldom discussed. This paper examines the most frequently deployed architecture: the BIG BALL OF MUD
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What I have changed my mind about in software development
I really like this quote from Jeff Bezos: “Anybody who doesn’t change their mind a lot is dramatically underestimating the complexity of the world we live in.” Lately I have been thinking about wha…
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Clojure for the Brave and True – Functional Programming
So far, you’ve focused on becoming famil iar with the tools that Clojure provides: immutable data structures, functions, abstractions, and so on. In this chapter, you’ll learn how to think about your programming tasks in a way that makes the best use of those tools. You’ll begin integrating your experience into a new…