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Learning J – Part I
My notes on learning J where I learn about J's fundamental type, the multi-dimensional array.
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A computing-focused community centered around link aggregation and discussion.
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Branchless Quicksort
Performance results naturally depend on the underlying hardware. The following benchmarks show the execution times for sorting 50 million doubles using different sorting implementations. The measurements were taken on an Apple M1 system using Clang and on...
Topics: Infrastructure
Entities: Infrastructure
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A faster bump allocator for rust
Announcing stumpalo, an extremely fast bump allocator for rust, with chunk reuse and safe scoped stack support.
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IPv6 zones in URLs are a mistake
Run away while you still can, it's not too late for you to avoid the curse of knowledge.
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Crashing cars and improving hover detection | Motion Magazine
Fast pointer movements can skip over elements, breaking hover detection. The surprising solution can be found in game development.
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Reproducible Builds in May 2026 — reproducible-builds.org
These reports outline what we’ve been up to over the past month, highlighting items of news from elsewhere in the increasingly-important area of software supply-chain security. As ever, if you are interested in contributing to the Reproducible Builds...
Topics: Security
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The terminal, the TTY, and the shell - The Linux Field Guide
What you actually mean when you say 'I work in the terminal' - the terminal emulator, the pseudo-terminal (TTY/pty), and the shell (bash, zsh, fish) as three independent layers cooperating through a kernel object, with line discipline and VT100 escape...
Topics: Infrastructure
Entities: Infrastructure
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GitHub - maxonvim/tmux-underkeys: Minimize mental and mechanical effort while switching between sessions.
Minimize mental and mechanical effort while switching between sessions. - maxonvim/tmux-underkeys
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Diagramming Program Values by Spatial Refinement
Compilers can vectorize loops you never wrote. IDEs can finish functions before you do. Agents can refactor your codebase from a sentence. And yet, when you want to inspect the value your program just produced, you still use the REPL as if nothing has...
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Hauleth's blog - Reviewing code requires reading
Blog about BEAM, Rust, fantasy & stuff Reviewing code requires reading
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Release v0.42.0 · jj-vcs/jj
A Git-compatible VCS that is both simple and powerful - Release v0.42.0 · jj-vcs/jj
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Gaussian Point Splatting
Joris Rijsdijk, Christoph Peters, Michael Weinnman, Ricardo Marroquim. 2026–07 in ACM Transactions on Graphics (Proc. SIGGRAPH) 45, 4. Official version