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FireDucks: Pandas but Faster
Introduction My main background is a hedge fund professional, so I deal with finance data all the time and so far the Pandas library has been an indispensab...
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,116 posts.
122
Everything you need to know about Python 3.13 – JIT and GIL went up the hill
All you need to know about the latest Python release including Global Interpreter Lock and Just-in-Time compilation.
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HTML Attributes vs. DOM Properties
They're completely different, but often coupled.
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Garbage collection for systems programmers (2023)
Yet another programming blog. Thoughts on software and related misadventures.
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Tracker Beeper (2022)
A week ago, I finally got round to implementing an idea I’d been toying with for years: what if your computer made a little bit of noise every time it sent data to Google? From studying logs, I’d long known just how many sites send all your visits and clicks to (at least) Google, but a log that you have to manually…
127
Stripe's Monorepo Developer Environment
An overview of the tools and environment Stripe engineers used to write and test code, as of 2019 or so.
128
Writing a Rust compiler in C
To bootstrap Rust, no cost is too great.
129
Fun facts about SQLite
Some of the interesting and insane facts I learned about SQLite
130
Beating NumPy matrix multiplication in 150 lines of C
A detailed blog post on optimizing multi-threaded matrix multiplication for x86 processors to achieve OpenBLAS/MKL-like performance. Tags: High-performance GEMM on CPU, Fast GEMM on CPU, High-performance matrix multiplication on CPU, Fast Matrix Multiplication on CPU, Matrix multiplication in C, GEMM in C, Matrix…
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`find` + `mkdir` is Turing complete
We show that a system that has only GNU's find and mkdir commands is Turing-complete.
133
Everything Is Just Functions: 1 week with David Beazley and SICP
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
134
HTML Form Validation is underused
HTML Forms have powerful validation mechanisms, but they are heavily underused. In fact, not many people even know much about them. Is this because of some flaw in their design? Let’s explore.
135
Writing secure Go code
Security testing starts with understanding vulnerabilities. The CVE website lists known software flaws. The OWASP Top Ten highlights common weaknesses. With this knowledge, we can improve our Go development. This article shows how to put in place robust practices. They are fuzz inputs, verify dependencies, and use…
136
Calculus with Julia
This is a set of notes for learning calculus using the Julia language. Julia is an open-source programming language with an easy to learn syntax that is well suited for this task.
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Abusing Go's Infrastructure
I apologize if this information is already known, but I couldn’t find any references about it and I wanted to understand what was going on and share with you because I think there is some value doing it. In case this wasn’t known, I apologize to the Go team for not talking to them first and jumping the full disclosure…
138
I Like Makefiles
Fancy new build tools come and go, but I think I will stick with using makefiles to orchestrate everyday tasks in my projects.
139
You've just inherited a legacy C++ codebase, now what?
Discussions: Hacker News , Lobster.rs , /r/programming . I've got great suggestions from the comments, see the addendum at the end!
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Dear sir, you have built a compiler (2022)
I am afraid to inform you that you have built a compiler. I know you wanted a “simple prototype” that would just add that one feature to your programming model. You said that “SSA is an overkill” and “it’s just way too much infrastructure to maintain for a simple task” and yet, six months later, you have pile of…
141
Finding a new software developer job
For the first time ever, I was laid off, and had to find a new software developer job. I managed to find a new one, but it took longer than I thought, and it was a lot of work. I was in contact wit…
142
Two open source projects with great architecture documentation
esbuild and Redis1 are two examples of codebases with exceptional documentation. Through their READMEs, changelogs, architecture documents, and code comments, both projects explain their design in such a way that someone new to the codebase can understand where things are, how things are done, and why they are done…
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Simplicity is an advantage but sadly complexity sells better (2022)
Pushing back on the cult of complexity.
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When Random Isn't
This post is an anecdote from over a decade ago, of which I lost the actual code. So please forgive me if I do not accurately remember all the details. Some details are also simplified so that anyone that likes computer security can enjoy this article, not just those who have played World of Warcraft (although the…
145
I turned my ThinkPad into a programmable USB device
Enabling and using xDCI controller on ThinkPad X1 Carbon 6th Gen
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Kubernetes on Hetzner: cutting my infra bill by 75%
Hi, my name is Bill. I’m a software engineer based in London. This is a blog about software development.
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My Favorite Algorithm: Linear Time Median Finding (2018)
Finding the median in a list seems like a trivial problem, but doing so in linear time turns out to be tricky. In this post I’m going to walk through one of my favorite algorithms, the median-of-medians approach to find the median of a list in deterministic linear time. Although proving that this algorithm runs in…
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If not React, then what?
Frameworkism is now the dominant creed of today's frontend discourse, and it's bullshit. We owe it to ourselves and to our users to reject dogma and embrace engineering as a discipline that strives to serve users first and foremost.
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A decade-old Steam bug
Valve has shown to occasionally not act on community feedback and bug reports. A story about a decade old bug.