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Is WebP really better than JPEG?
If you have used tools like Google’s PageSpeed Insights, you probably have run into a suggestion to use “next-gen image formats”, namely Google’s WebP image format. Google claims that their WebP…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,290 posts.
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14,000x Speedup (2015)
In my job as a scientific software developer, I tend to write a lot of code. And most people who haven’t been through a Computer Science degree tend to think that CS is “just” about slinging code at the screen and then running it. I have a good working relationship with many of my colleagues and co-workers with other…
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First trans-Atlantic contact made on 432 MHz
On Tuesday the 7th of April 2020 , a remarkable contact was made with the FT8 digital mode on 432 MHz between D4VHF on the Cape Verde Is...
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Unauthorized access to cameras in Safari on macOS and iOS
A vulnerability in Safari allowed hackers to access the iPhone and Macbook cameras. (CVE-2020-3852, CVE-2020-3864, CVE-2020-3865, CVE-2020-3885, CVE-2020-3887 & CVE-2020-9784)
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Getting started with bare-metal assembly
Seeing a program you wrote running directly on the bare metal is deeply satisfying to anyone who enjoys writing software. And it turns out that creating such a program from scratch is easier than it sounds. The hardest part is figuring out where to start. In this tutorial, I'll show you how to write, build and run the…
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Ideas That Changed My Life
David shares 50 ideas that changed his life. Read here.
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An Interactive Introduction to Fourier Transforms
Fourier transforms are a tool used in a whole bunch of different things. This is a explanation of what a Fourier transform does, and some different ways it can be useful.
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Vitamin D, part 2: Shannon's story
How much Vitamin D should I take? This is still the looming question, and it’s time to address it. First, though, imagine that someone in a public forum online asked me, “How much metoprolol (a…
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India, Jio, and the Four Internets
There are four Internets: China versus the U.S., and the E.U. and India. India’s potential new model rests on Jio.
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Why Learn Awk? (2016)
Jonathan Palardy's blog about technology
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I deleted my Facebook, WhatsApp, and Instagram accounts, and felt great since
The problems with social media platforms in 'human' and 'data' terms. Deleting Facebook (Meta), WhatsApp, and Instagram will have a net positive effect.
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Things I Believe About Software Engineering
Inspired by Jan Stette's "Things I Believe" post, I decided to write down some of the more contentious beliefs I have about software engineering. I've selected some of my more extreme opinions here, so I expect reasonable people to disagree with me. That's ok.
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Let’s Invent B(+)-Trees
Say we have some things, and we want to be able to store and look them up in order. We could just put them in a big sorted array:
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Zoom Security Exploit: Cracking private meeting passwords
Short version: Zoom meetings were default protected by a 6 digit numeric password, meaning 1 million maximum passwords. I discovered a vulnerability in the Zoom web…
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I Spent $6M on Google Ads Last Year
I spent a lot of money on Google ads last year across Search, Display, Youtube, Discovery, and Gmail. Here's what I learned.
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Most(ly dead) Influential Programming Languages
The other day I read 20 most significant programming languages in history, a “preposterous table I just made up.” He certainly got preposterous right: he lists Go as “most significant” but not ALGOL, Smalltalk, or ML. He also leaves off Pascal because it’s “mostly dead”. Preposterous! That defeats the whole point of…
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I Love MDN, or the cult of the free in action
Yesterday or so a new initiative I Love MDN was unveiled. People can show their appreciation for the MDN staff and volunteers by leaving a comment.
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I gave away my books and sales increased
In March, I made my DevOps books free to help anyone who wanted to learn new skills during the global pandemic lockdown. In April, Device42 generously extended that offer for another month. I originally had the idea to give the books away on a whim on a Sunday night, thinking I'd give up a fair chunk of revenue, but…
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How to revert HP printer’s ban on 3rd-party ink cartridges
Hewlett & Packard, the founders, had great lessons to teach us (managers in high-tech) about culture. To the extend of quoting them in my awesome...
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The Era of the Trident Engine
About the rise and fall of Microsoft's take on the web.
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Gary Starkweather died on December 26, 2019
Gary Starkweather passed away on Dec 26, 2019 at the age of 81.
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The UX of Lego Interface Panels
LEGO interface panels are beautiful, iconic, and great for learning interface design basics. I bought 52 of them from BrickLink to explore the design, layout and organisation of complex interfaces.