931
Handling secrets (somewhat) securely in shells
Sometimes, you need to deal with secrets in an interactive shell. Say, for example, you want to do things with the API of a GitLab instance for which you require authentication:
932
I Did Not Kill Stanley Lieber: How to Draw (With 9front)
the computer lied
933
Patch applies fake diffs from commit messages
I share what I know.
934
Gödel, Escher, Elisp: The Beauty of Macros
If you are an Emacs user with a keen eye, you will have noticed that in Emacs Lisp, code is data. After all, 'Lisp' is shorthand for 'List Processing'. One of E...
935
Any application that can be written in a system language, eventually will be
Atwood's Law predicted JavaScript's dominance through accessibility. A new corollary is emerging: system languages will win through operational efficiency and AI-assisted development.
936
Why are coding agents so dumb?
Models are getting better and better, while the agents that drive them languish.
937
AI made coding more enjoyable
To me, one of the most annoying parts of software engineering is writing code that doesn’t require thinking. It’s just a typing exercise, and that’s boring.
938
Formalizing CPython
AI agents wrote 613,318 lines of Lean that copy Python's internals, tested every piece against real Python, and turned up 418 bug reports along the way.
939
"Maybe later" was a feature
The most valueble code in my repo, is the code I didn't write.
940
Recursion into madness
Raymond Chandler would have loved generative AI
941
Contracts in Nix
The Nix language lacks a good type system . There are already several configuration languages that provide static and even gradual typing (see, e.g., Cue , Dhall , or Nickel ), but none offer the ability to easily annotate legacy Nix code with types.
942
Why are good developers so wary of agentic development?
Good developers’ caution about agentic development comes from knowing that built isn’t the same as working in production.
943
Optimizing a lock-free ring buffer
A single-producer single-consumer (SPSC) queue is a great example of how far constraints can take a design. In this post, you will learn how to implement a ring …
944
Efficient algorithms, the Exponential Time Hypothesis, and losing the plot
On efficient algorithms, the exponential time hypothesis, and losing the plot.
945
Building a Multi-Agent System from Scratch: Architecture Patterns
Orchestrator-worker, blackboard, and pipeline patterns for coordinating multiple AI agents — with the failure modes that only show up once you go past a single-agent demo.
946
Efficient C++ Programming for Modern 64-bit CPUs: Chapter 4/part 2
The cost of thread context switch, including cache invalidation, can reach up to 3 million CPU cycles RTTI can be quite expensive, with dynamic_cast being up...
947
Redefining Go Functions
I once wrote a Perl subroutine that would memoize the subroutine that called it. That much was useful, but then it inserted a copy of itself into the caller, so that its callers would be memoized too. A well-placed call to aggressively_memoize could back-propagate to the whole codebase, spreading functional purity…
948
Making a vintage LLM from scratch
In this blog post, I will share the adventures I had creating my own LLM, from (almost) scratch, trained only on old texts. I made my own base-training and fine-tuning scripts, data processing pipelines and custom datasets. ("almost from scratch" means I did use existing programming languages and libraries, I didn't…
949
AI changes the economics of software rewrites
AI changes rewrite economics because codebases with clear, common patterns get more leverage than proprietary or inconsistent systems.
950
Using GCC's Nested Functions with Wide Pointers and No Trampolines II
When the address of a nested function is taken, GCC creates at trampoline at run-time. This trampoline is placed on the stack, which means that the stack has to be executable. This is problematic because a non-executable stack is an important security feature. For some time now, GCC has the option to place the…
951
Regular expressions that work “everywhere”
What regular expression features work everywhere. Very few unless you relax your definition of "everywhere."
952
Fast and Easy Levenshtein distance using a Trie (2011)
<img src="http://stevehanov.ca/blog/images/acer.jpg"/> If you have a web site with a search function, you will rapidly realize that most mortals are terrible typists. Many searches contain mispelled words, and users will expect these searches to magically work. This magic is often done using levenshtein distance. In…
953
How to bring up the Linux Kernel on a new platform
A guide to bringing up the Linux Kernel and a userspace application on a new hardware (or in this case, a self-made emulator)
954
Version control second coming
The very same week we signed our first ever angel investor for Plastic SCM, in early summer of 2005, Linus Torvalds announced Git. I had spent more than a year pitching investors to build a new version control, and suddenly the creator of Linux was building one himself. That week I understood the road ahead was going…
955
Testing Postgres race conditions with synchronization barriers
Synchronization barriers let you test for race conditions with confidence.
956
More on Version Control
This may have some legs
957
Building ML framework with Rust and Category Theory
A modular, compile-checked tutorial for learning category-theory ideas through a tiny Rust ML pipeline.
958
Klondike Solitaire game for curses in 5k of C
How I developed a Klondike Solitaire game for curses in C language as an entry for the IOCCC.
959
My Favorite Bugs: Invalid Surrogate Pairs
In which I revisit one of my favorite bugs, the invalid surrogate pair.
960
Floating point from scratch: Hard Mode
Actually building floating point from scratch!