Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 506 posts.
I have an affinity for performance optimization and making software as efficient as possible. Over the years, I've encountered specific instances and common patterns that make software or computers slow. In this post, I'll shine a spotlight on some of them.
After a few weeks of investigating the Apple M1 GPU in January, I was able to draw a triangle with my own open source code . Although I began dissecting the instruction set, the shaders there were specified as machine code. A real graphics driver needs a compiler from high-level shading languages (GLSL or Metal) to a…
that expectation is sustained by such profits being paid to those who choose to cash out. However,
This post tells about my journey on fast-booting a Raspberry Pi 3 (RPI). In addition to that, some optimizations are discussed that can be applied to a Qt (QML) application. At the end, we will have a …
You can make a DIY air purifier in 30s. To test if it works, I generated smoke, and measured how well it removes tiny particles.
The personal website of Christopher Laing.
Complex software is, to put it mildly, hard to get right (for details, see almost any other posting on this or any other security blog). Especially for gadgets that are rich with microphones, cameras, location and environmental sensors, and communication links (such as, you know, smartphones), errors and security…
If you were creating a web app from scratch today, what database would you use? Probably the most frequent answer I see to this is Postgres, although there are a wide range of common answers: MySQL, MariaDB, Microsoft SQL Server, MongoDB, etc. Today I want you to consider: what if SQLite would do just fine?
Title is literally true. This may not be the best place to learn about these concepts for the first time, because I'm going to focus on knocking down the misconceptions about them.
A description of advanced tips and tricks for effective Internet research of papers/books, with real-world examples.
JDK 17 has been out for a few months and it’s not just packed with new language features. The performance boost compared to older JDK versions is also really significant. It becomes especially clear when compared to the previous LTS releases, JDK 8 and JDK 11. Much of the improved performance comes from new features…
A catalog of patterns to better understand, communicate, and teach the design of distributed systems
One of the 'Elite 8' Pizzerias in the US by Every Day with Rachael Ray One of America's Perfect Pizzeria's: Zagat And Many Other Awards Main Restaurant Website
Welcome to acronym city! The Court of Appeal of Brussels has made an interesting ruling. A customer complained that their bank was spelling the customer's name incorrectly. The bank didn't have support for diacritical marks. Things like á, è, ô, ü, ç etc. Those accents are common in many languages. So it was a little…
A short story about Lisp, technology, and human progress.
I have said before that I believe that teaching modern students the OSI model as an approach to networking is a fundamental mistake that makes the concepts less clear rather than more. The major reason for this is simple: the OSI model was prescriptive of a specific network stack designed alongside it, and that…
The other day I was talking to a young developer working on a code base with tons of COM code, and I told him that even before he was born, everyone knew that COM was already so deeply obsolete tha…
WebAssembly meets 16000 HTML checkboxes.
Three major tools that companies have to influence behavior are incentives, process, and culture. People often mean different things when talking about these, so I'll provide an example of each so we're on the same page (if you think that I should be using a different word for the concept, feel free to mentally…
About 80 people pointed me to this post by Uri Simonsohn, Joe Simmons, and Leif Nelson about a 2012 article, “Signing at the beginning makes ethics salient and decreases dishonest self-reports in comparison to signing at the end.” Apparently some of the data in that paper were faked; see for example here:
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Can history help us make sense of the term 'RESTful API'?
This blog is a direct follow up of Starship Is Still Not Understood, and is part of the series on popular misconceptions in space journalism. Now available in audio form. I think it is relatively s…
The original EGA background art for Loom was made by Mark Ferrari . The character art was done by Gary Winnick and Steve Purcell . Gary Winnick designed the sprites and did most of the sprite animation, while Steve Purcell did the larger character portraits and some additional animation. Ken Macklin did the effects…
Chapter 6 – California In the Jan of 2009 when Hal and Satoshi were working on Bitcoin Alpha version, Hal encountered an error with the software and he posted the debug log to the mailing lis…
Programming language memory models answer the question of what behaviors parallel programs can rely on to share memory between their threads. For example, consider this program in a C-like language, where both x and done start out zeroed.
