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Pursuing a Business I'll Love
Two of my businesses had record-setting months, and I’m finally building the app I’ve always wanted.
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Introduction to SerenityOS Programming
This post will give you a quick intro to the basics of GUI programming for SerenityOS.
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Launch an App
On May 14th, I launched Oh Bother — my first independent app in 7 years. I wrote a bit about my decision to build Oh Bother here, but now that my little app ...
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What Comes After Zoom?
Zoom is the Skype of video - it turned a technology few people used much into a mass-market product. But next we’ll get the equivalents of Instagram and Snap - products that ask different questions. Zoom solved getting into a call, but why are you in the call?
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Why Life Can’t Be Simpler
We’d all like life to be simpler. But we also don’t want to sacrifice our options and capabilities. Tesler’s law of the conservation of complexity, a rule from design, explains why we can’t have both. Here’s how the law can help us create better products and services by rethinking simplicity.
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Knuth versus Email (1999)
I have been a happy man ever since January 1, 1990, when I no longer had an email address. I'd used email since about 1975, and it seems to me that 15 years of email is plenty for one lifetime.
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HN Alternative UIs
hn.algolia.com HackerNews with a search function and 16.8+ million posts indexed. Alexa: 8.7k
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0xF Rules
I have been writing articles on this website for twelve years. If you were to look at the early versions , you would think it is a fresh-out-of-school project with icons drawn in Microsoft Paint. And that is exactly what it was. The site started in a world before smartphones and tablets at a time where Apple products…
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GNU GCC does not round floating-point divisions to the nearest value
I know that floating-point arithmetic is a bit crazy on modern computers. For example, floating-point numbers are not associative: 0.1+(0.2+0.3) == 0.599999999999999978 (0.1+0.2)+0.3 == 0.600000000000000089 But, at least, this is fairly consistent in my experience. You should simply not assume fancy properties like…
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Time spent programming is often time well spent
I concur so strongly not only because he writes about RSS, which I'm on record as supporting and using. I enjoy rolling my own simple software in almost any domain. Simple has a lot of advantages. Under my control has a lot of advantages. But the biggest advantage echoes what Dr. Drang says: Programming is often more…
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Reversing the technical interview (2017)
If you want to get a job as a software witch, you’re going to have to pass a whiteboard interview. We all do them, as engineers–often as a part of our morning ritual, along with arranging a beautiful grid of xterms across the astral plane, and compulsively running ls in every nearby directory–just in case things have…
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Hours
A novelist friend introduced me to a productivity technique I’ve found effective. I spread it to my friends, and now to my horror management types have discovered it. A friend just told me he…
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Big Trouble in a Deep Void
The following is a guest post by Indranil Banik, Moritz Haslbauer, and Pavel Kroupa (bios at end) based on their new paper Modifying gravity to save cosmology Cosmology is currently in a major cris…
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KVM host in a few lines of code
Trying to figure out how KVM-based virtual machine hosts work by implementing one from scratch.
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Summary of all the MIT Introduction to Algorithms lectures (2009)
As you all may know, I watched and posted my lecture notes of the whole MIT Introduction to Algorithms course. In this post I want to summarize all the topics that were covered in the lectures and point out some of the most interesting things in them. Actually, before I wrote this article, I had started writing an...
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Corporate Socialism: The Government Is Bailing Out Investors and Not You
(With Mark Spitznagel)
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Achieving 100Gbps intrusion prevention on a single server
Achieving 100 Gbps intrusion prevention on a single server, Zhao et al., OSDI’20 Papers-we-love is hosting a mini-event this Wednesday (18th) where I’ll be leading a panel discussion including one …
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Adding tests when you don't have time to
Here's a recipe you can follow when you want to add tests on Legacy Code, but you don't have much ti
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Building a WireGuard jail with FreeBSD's standard tools
Recently, I had an opportunity to build a WireGuard jail on a FreeBSD 12.1 host. As it was really quick and easy to setup and it has been working completely fine for a month, I’d like to share my experience with anyone interested in this topic. I would like to use WireGuard app on my Android phone to access my home…
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How the 8086 processor handles power and clock internally
One under-appreciated characteristic of early microprocessors is the difficulty of distributing power inside the integrated circuit. While...
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Training GPT-2 to Play Chess
Almost 25 years after Kasparov vs. Deep Blue, another seminal man vs. machine matchup: Neither competitor has much to be proud of here. White has a poor opening. Black screws up and loses his queen…
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ARM Mac: Why I'm Worried About Virtualization
It's late 2020 and you just got a brand-new Mac with Apple's own ARM processors. Exciting! But what will development be like?