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Let's Talk SkipList
the forgotten data structure (not really)
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The mainframe in your pocket running minicomputer software
Running Minicomputer Software
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2D Global Illumination in Godot (2020)
Hello. This is the first of a series of blog posts I plan to write, breaking apart the algorithms and implementation of a custom 2D global illumination (or p...
3125
Rust in 2022
In previous years, the core team have asked the community to write new years blog posts about Rust in the coming year. They haven't this year, but I wanted to write one anyway. However, it turned out to be harder than expected. Perhaps that's due to Rust being in an
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Programs are dead, and JavaScript has killed them
And JavaScript has killed them.
3127
Can a laptop from 2012 be a viable home server?
I took a spare ThinkPad T430 and put all my home server workloads on it. Here's how it went.
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Why T-shaped people? (2018)
Read this story without a paywall
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Code vs. No-code
There was a conversation on Twitter this week that helped to clarify my thinking about something, and I wanted to share. There is a sort of tension between “code” and “no-code” (sometimes “low-code”) solutions. People who consider themselves software developers see people trying to use no-code solutions to do things…
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Too Much Internet
I consider myself fairly “up” with popular trends. Perhaps I don’t know every celebrity crush, or every new thing that every TikTok…
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On CAD
With cheap 3D printers and PCB manufacturing services you could conceivably design something and have a physical prototype on your desk in the same week. It is quite common to see hardware projects on github that contain firmware source code, STLs for 3D printed parts, and Gerber files for PCBs. To assemble them you…
3136
Meditations on an inexpensive laundry basket
I’m down to a cost of 20¢ a year and falling.
3137
Safari on iOS can overlap multiple full-screen videos
I just discovered an annoying behavior of Safari on iOS: full-screen videos can overlap each other and make it hard to close them without force closing Safari.
3138
The Penguin Random House trial
The Penguin Random House trial is ripping the lid off publishing
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Shared Libraries as Executables
Typically you either have an executable or a shared library, but can you have an executable shared library too?
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The Changes for the 2nd Edition of “Code”
Whenever a 2nd edition of a book is published, people ask “I already have the 1st edition. Do I need to get the 2nd?” It’s a legitimate question and I’ve asked it myself. Reading a 2nd edition after the 1st is not trivial: It’s a commitment of both additional money and additional time.
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Listerine Royalties
With an iron-clad court ruling, Listerine royalties represent a uniquely enduring cash-flowing asset.
3145
Using SSH_config Match to connect to a host using multiple IP or Hostnames
My main computer is a MacBook Pro from 2017, but I have some servers laying around and one other laptop connected at home with ArchLinux installed that I use mainly for development. I connect to it remotely either directly using a SSH/Mosh + Tmux + Emacs/Vim combination, or using the pretty convenient VSCode Remote…
3146
The Talos II, Blackbird POWER9 systems support tagged memory
Nowadays, there is increasing interest in adding tagged memory functionality to CPU architectures. Such architectures associate one or more tag bits with each quantum of a system's memory. There are many motivations for this ability to associate “metadata” with individual memory words, but one of the most clear is the…
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How to Find and Stop Running Queries on PostgreSQL
Your PostgreSQL server is seizing up, with some naughty queries consuming too many resources or blocking others. Don’t panic! You can stop those problem queries and stabilize your system.
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Dealing with APIs, JSON and databases in org-mode
A practical Org-mode workflow for calling APIs, working with JSON responses, and querying the resulting data with databases and executable blocks.
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High-Throughput, Formal-Methods-Assisted Fuzzing for LLVM
Mutation-based fuzzing is based on the idea that new, bug-triggering inputs can often be created by randomly modifying existing, non-bug-triggering inputs. For example, if we wanted to find bugs in a PDF reader, we could grab a bunch of PDF files off the web, mutate them by flipping a few bits or something, and feed…
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What happens when the public lose confidence in academic findings?
In an important new paper, Rafael Ahlskog and Sven Oskarsson show that half of the effect size in observational studies, even in conservative estimates, is composed of confounding.