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How concurrency works: A visual guide
Welcome to Waqas' blog
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Four lines of code it was four lines of code
Four lines of code … it was four lines of code
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Retro on Viberary
Do fun projects
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Bril: An Intermediate Language for Teaching Compilers
I created a new intermediate language, called Bril, for teaching my funky open-source, hands-on compilers course. Because it’s for education, Bril prioritizes simplicity and regularity over more typical compiler priorities like performance and concision. This is an overview of Bril’s design, its quirks, and the…
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Should you ditch Spark for DuckDB or Polars?
There’s been a lot of excitement lately about single-machine compute engines like DuckDB and Polars. With the recent release of pure Python Notebooks in Microsoft Fabric, the excitement about these lightweight native engines has risen to a new high. Out with Spark and in with the new and cool animal-themed engines— is…
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Let's talk about joins
An review of horizontal and vertical joins with examples from education research.
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A railroad simulation using discrete event simulation
In our previous post, we introduced how to utilize Discrete Event Simulation (DES) in PicoLisp. Now, let's explore another application: a railroad model…
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Vulkan Foliage rendering using GPU Instancing
Abdelhadi' blog
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Droste’s Lair
A swords-and-sorcery programming environment for building and counting mathematical structures
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Skeptical of rewriting JavaScript tools in "faster" languages
I’ve written a lot of JavaScript. I like JavaScript. And more importantly, I’ve built up a set of skills in understanding, optimizing, and debugging JavaScript…
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Clever code is probably the worst code you could write (2023)
And clear, readable code is probably the hardest code to write
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On the cruelty of really teaching computing science (1988)
The second part of this talk pursues some of the scientific and educational consequences of the assumption that computers represent a radical novelty. In order to give this assumption clear contents, we have to be much more precise as to what we mean in this context by the adjective "radical". We shall do so in the…
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The problem with OpenTelemetry
I regularly complain about OpenTelemetry, so with an aim to be a less useless contributor, today I'm putting pen to paper. If you're an implementer, I ask you to read this and take away the personal bias you might have towards your work, and instead look objectively at the feedback being given.
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Immediate Mode GUI Programming
Articles and programs by Elias Naur
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UI = f(statesⁿ)
“UI is a function of state” is a pretty popular saying in the front-end world. In context (pun intended), that’s typically referring to application or component state. I thought I’d pull that thread a little further and explore all the states that can effect the UI layer…
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Storing Times for Human Events
I’ve worked on various event websites in the past, and one of the unintuitively difficult problems that inevitably comes up is the best way to store the time that an …
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Curl removes experimental HTTP back end in Rust
The ride is coming to an end. The experiment is done. We tried, but we admit defeat. Four years ago we started adding support for an alternative HTTP backend in curl. It would use a library written in rust, called hyper. The idea was to introduce an alternative implementation of HTTP internals that you could ……
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A skeptic's first contact with Kubernetes
Key concepts & much deserved YAML ranting
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Power of small optimizations
In this post, I will talk about the importance of small optimizations that can provide a lot of performance improvements.
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Notes on the Crystal Language
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
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Command Line Tools I Like (2022)
The personal site of R. W. Blickhan
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FFmpeg 7.1 release: a tons of codecs
I'm the president of VideoLAN, one of the lead developers of VLC and a maintainer of open source multimedia projects. I created several startups, was the CTO of scale-ups, and advised startups and VCs.
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Own Constant Folder in C/C++
I was talking with someone today that really really wanted the sqrtps to be used in some code they were writing. And because of a quirk with clang (still there as of clang 18.1.0), if you happened to use -ffast-math clang would butcher the use of the intrinsic. So for the code: __m128 test(const __m128 vec) { return…
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Swift Tooling: Windows Edition
Productivity on every platform - a deep dive on the ways we're writing Swift code on Windows, and improving the developer experience along the way.
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Eighteen Years of ABI Stability
It has been eighteen years of libcurl ABI stability.