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The most popular blog posts about software engineering on Hacker News. 21,833 posts.
Most commodity processors support single-precision IEEE 754 floating-point numbers. Though they are ubiquitous, they are often misunderstood. One of my readers left a comment suggesting that picking an integer in [0,232) at random and dividing it by 232, was equivalent to picking a number at random in [0,1). I am not…
What if we dutifully communicate the risks and trade-offs to our organizational leadership and they still want to take those risks
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A simpler solution for a complicated problem
I was talking to a very junior programmer recently and he asked me a great question. A question so good, it made me stop and think about my perspective on how learning happens. The question was: “H…
AI-assisted mechnical proving companies are raising funds on billion dollar valuations , new people are trying proof assistants, overwhelmingly Lean, at unprecedented rates. Models achieve fascinating results in competitions previously considered to contain some of the hardest problems in the world, such as IMO, ICPC…
Some bugs are merely fun. Others are simply delicious! Today’s pick is the latter. Reproducing the issue, part 1 (It may be tempting to skip that section, but reproducing an issue is an important p...
We ran experiments on swarms of Claude agents and found coordination failures, collusion, and sabotage. Here, we share what they mean for AI safety.
I worked on Rust part-time for several years at Mozilla. During that period I regularly summarized how the compiler’s performance had improved. For example: 2017-11-12 to 2019-07-24.
Why I haven't been writing much Haskell code lately.
I do not write code for a living. Nor do I study computer science in university. And you know why this is great? Because it allows me to code completely stupid and useless things without anybody being on my back to tell me I shouldn’t. And what I am about to talk is precisely one of these codes…
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Continuing in the series of posts about lesser-known bash features , here I take you through seven variables that bash makes available that you may not have known about.
Face it: nobody likes fractions, not even computers.
A comparison of MVC web frameworks with React.js and ClojureScript circa 2014.
Over the years, Google's treatment of JavaScript has changed, leaving us with misconceptions of how it's indexed. Here, we debunk the myths.
An introduction to strong arrows and how it leverages the Erlang VM to provide sound gradual typing.
Recently I encountered a bug so cute that I immediately knew that I will want to share it on my blog. It was one of those bugs that even Rust can’t save you from. It occurred in HyperQueue (HQ), a distributed task scheduler written in Rust that I work on.
A technical write-up about using the template HTML element
In this essay, after a brief review of the work we’ve already done on the Mockingbird, we’ll derive the Why Bird, known most famously as the Y Combinator . The why bird provides all the benefits of the mockingbird, but allows us to write more idiomatic JavaScript. We’ll see that one of the benefits of writing…
