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Laying Out iOS UIs in Code
Software Engineer in New York specializing in Apple platforms
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 14,540 posts.
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Behold z, the unsung jewel that rethinks shell navigation
I spend a fair amount of time wandering around in the terminal. The chances are that you are too since you dared to open this story. My daily activities led me …
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AWS Lambda – Best practices
In this post we are going to go through the best practices while building an AWS Lambda function. In order to go through this blog you should know what is it and you should ideally have built at le…
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Personal Musings and Transcripts
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Build a Basic AI Agent from Scratch: Long Task Planning
In the previous part of the Build A Basic AI Agent From Scratch series, we added the essential tools to our agent to allow it to work…
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JavaScript Getter-Setter Pyramid
Open Source Freelancer
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Writing a FUSE filesystem in Python
If you’re a regular reader, you might have noticed that I’ve been on a quest for the perfect backup program , and ended up writing my own encryption layer over bup.
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What the Royal Astronomical Society in 1884 Tells Us About Python Today
The plainly wrong behavior of a ubiquitous Python library echoes a British astronomical report from 1884.
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Edge Case Poisoning (2020)
TLA+ Workshop Last Call The TLA+ workshop is next week! Oct 20-22, register here, use the code COMPUTRONSTUFF for $500 off. Learn how a few hours of...
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What I learned from Erlang about resiliency in systems design (2019)
Failure in computer systems is inevitable. Adopting Erlang's philosophy of "Let it crash" at the many layers of abstractions in software can have a huge positive impact on resiliency.
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Rreverrse Debugging
rr is the debugger for Rust (et al.) that is is almost too good to be true.
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Short, friendly base32 slugs from timestamps
~4 lines of Go to produce succinct, stable, URL-friendly slugs from timestamps.
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The current state of TLA⁺ development
The 2025 TLA⁺ Community Event was held last week on May 4th at McMaster University in Hamilton, Ontario, Canada. It was a satellite event to ETAPS 2025, which I also attended, and plan to write about in the near future. I gave a talk somewhat-hucksterishly titled It’s never been easier to write TLA⁺ tooling! which I…
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OpenBSD's Pledge and Unveil from Python
Years ago, OpenBSD gained two new security system calls, pledge(2) (originally tame(2) ) and unveil . In both, an application surrenders capabilities at run-time. The idea is to perform initialization like usual, then drop capabilities before handling untrusted input, limiting unwanted side effects. This feature is…
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Request Coalescing in Async Rust
As the popular saying goes, there are only two hard problems in computer science: caching, off-by-one errors, and getting a Rust job that isn’t cryptocurrency-related. Today, we’ll discuss caching!...
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Light Table a year ago
A year ago today I put up the original blog post for Light Table . It was just a simple video of a prototype I made in less than a week while I was visiting my grandparents without internet - at the time we had no idea what it would become. To be honest, I thought some would think it was neat, but then it would fade…
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LLVM’s garbage collection facilities and SBCL’s generational GC
Intro, overview
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Parallelism in one line
A Better Model for Day to Day Threading Tasks
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Haskell vs. Erlang for bittorent clients
Haskell vs. Erlang Since I wrote a bittorrent client in both Erlang and Haskell, etorrent and combinatorrent respectively, I decided to put ...
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Two-Stack Sliding-Window Aggregation
An aggregation is some kind of summary of a set of data. This can be the sum, length, minimum, etc. It is quite common to want to calculate such a summary repeatedly, e.g. “the maximum noise level in dB for the past 30 seconds” for a nuisance detector. In such a case we say there is a sliding window over our data, and…
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Seven Commandments for Event-Driven Architectures
The critical rules to keep in mind when designing an event-driven architecture
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Clojure Linear Algebra Refresher: 1 – Vector Spaces
This article is a starting article in a series that is going to briefly skim through a good engineering textbook on linear algebra, making notes that help yo...
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Things I learned writing my first technical book
A hundred things I learned writing my first technical book “Data-Oriented Programming”
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Trinity: PSP Emulator Escape
Trinity is a fully chained exploit for the PS Vita™ consisting of six unique vulnerabilities. It is based on a decade of knowledge and research. The source code of Trinity can be found here.
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Running Rust on Logic Gates
A journey in building an ARM CPU from scratch in a digital circuit simulator, and running Rust on it to interpret Scheme and serve Web pages.
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My Git Workflow
Lately I’ve been acting as the unofficial Git consultant for Skribit , usually in response to @Stammy saying something on Twitter along the lines of “Hey, git just did something totally nonintuitive and now I can’t figure out what to do next.” I’ve been using Git long enough to know the answer, usually, or at least to…
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String Diagrams for Linear Algebra
We have established that there is a homomorphism called θ from B, the PROP of diagrams, to Mat, the PROP of matrices. To do this, it was enough to say where θ takes the four stars of the story so f…
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A Grimoire of Functions
I'm the kind of person who reads encyclopedias front to back just for fun, and I've been fascinated by mathematical special functions at least since my first encounter with the gamma function as a teenager. My work implementing numerical and symbolic algorithms in mpmath , Arb and other software projects during the…