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A Tour of Safe Tracing GC Designs in Rust
I’ve been thinking about garbage collection in Rust for a long time, ever since I started working on Servo’s JS layer. I’ve designed a GC library, …
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The latest blog posts to take off on Hacker News. 1,517 posts.
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A day in the life of a professional software engineer
Just a normal day reversing linked lists on the whiteboard.
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.NET 6 Preview 5
.NET 6 Preview 5 is now available.
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Coreutils Gotchas (2015)
Confusing corners of the unix utilities
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From NAND to Raytracer: Raytracing on the Hack Computer
I recently spent some time going through the amazing nand2tetris course, and assignment #9 is to implement something with the Jack programming language that runs on the Hack computer. My friend encouraged me to try writing a raytracer, which is an algorithm that generates physically realistic images by simulating…
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TDD from the Factorio Team
Hello, long time no see :) We obviously have a lot to talk about when it comes to the game changes we recently did, or plan to do, but we don't want to share any of it yet. Yet, there is currently a topic very relevant to us and we can share it without revealing any specific changes to the game. Today's post will be…
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Six ways to make async Rust easier
Asynchronous Rust is powerful but has a reputation for being hard to learn. There have been various ideas on how to fix the trickiest aspects, though with my focus being on Tokio 1.0, I had not been able to dedicate much focus to those topics. However, Niko’s async vision effort has recently started the discussion…
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Useful and useless code comments
I’ve been reading John Ousterhout’s A Philosophy of Software Design . At one point in the book, he gives this advice about code comments: Unfortunately, many…
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Io_uring is not an event system
I’ve been hearing about io_uring on and off for the last couple of years. Its a relatively new technology in Linux to allow high-performance IO with very few overheads. Whenever its been mentioned, its usually been presented as a new alternative to select, poll and epoll. This led me to believe that it was just the…
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Gleam 0.16 compiles to JavaScript
News post: Gleam v0.16 released
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Designing a better strcpy
Saagar Jha's website.
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How to Write a Programming Book
If you read Programming books, then your goal is to learn. If you write Programming books then your goal is to teach. When I wrote my book…
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Wasmer 2.0
It's been almost 6-months since we released Wasmer 1.0, and the community support and reception were incredible. Since then, we've been hard at work on the next version of Wasmer.
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Representing SHA-256 Hashes as Avatars
How to turn 256 bits of entropy into a beautiful, avatar-friendly circular SVG: the Hashvatar.
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Zero-downtime schema migrations in Postgres using views
Schema migrations are tricky, especially when planned downtime is not an option. Changes need to be carefully designed to stay backwards compatible so that…
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New Machine Learning Gems for Ruby
In August, I set out to improve the machine learning ecosystem for Ruby and wasn’t sure where it would go. Over the next 5 months, I ended up...
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Code in ARM Assembly: Registers Explained
Types of register explained, and which are available to pass arguments of different types. Call by value and call by reference distinguished.
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On Comments in Code
I used to think that I didn’t need comments if I wrote self-documenting code. However, I have realized that I do write comments, and that I find them really useful. To see how many comments I…
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Emacs Love Tale by sdp
Emacs Tales - A collection of unexpected stories involving emacs
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Why bugs might feel “impossible”
Reasons why bugs might feel "impossible"
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Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost
Panfrost, the open source driver for Arm Mali, now supports OpenGL ES 3.1 on both Midgard (Mali T760 and newer) and Bifrost (Mali G31, G52, G72) GPUs,
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Cuda.jl v3.3: union types, debug info, graph APIs
There have been several releases of CUDA.jl in the past couple of months, with many bugfixes and many exciting new features to improve GPU programming in Julia: CuArray now supports isbits Unions, CUDA.jl can emit debug info for use with NVIDIA tools, and changes to the compiler make it even easier to use the latest…
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Rust 1.x seems to not always be backward compatible in practice
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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Git for Computer Scientists (2010)
Quick introduction to git internals for people who are not scared by words like Directed Acyclic Graph .
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Practical Reed-Solomon for Programmers
Recently I was doing some work decoding the new Galileo High Accuracy Service data. In short, this new service will allow Galileo (“European GPS”) users to achieve decimeter-level accuracy, which is nice. This “HAS” data is transmitted highly redundantly by making good use of Reed-Solomon encoding. To work with this…
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The Enterprise Eats Software
Just now, Avdi had a miserable experience buying curtains. He went to pick up an order that he placed last night, but Lowe’s didn’t have it. The order was sent to the wrong store and it…