I've had my head down, programming away on C64 OS, and been making some great progress. I've tweeted a few things out, some of which are revealing of things I've either never talked about here or even seem to contradict what I've said here. So I'd like to take a breather and talk about some of these developments.
Recently I've been discussing the details of measuring the size of the Earth by watching a shadow descending a wall at sunrise, or ascending at sunset. The sums are easy enough if you do it at either Equinox, and at the Equator, and you can read about it here:
Then Back in the 2000s, we wrote applications in layers. Presentation layer, client, data transfer, API, business logic, data access, database. We maintained strict separation bet ween these layers…
At least year’s Bridges Conference in Stockholm, I attended a short presentation by Susan Goldstine about “self-diagramming lace” . As motivation for the new work she was presenting, Susan referenced her paper from the year before on what she calls “symmetry samplers” . Samplers are an old tradition in fibre arts. A…
GraphQL Conf 2019 was happening on 20-21 June in Berlin & this is an example of Idea forming huge community. Here are some takeaways from GraphQL Conf 2019
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls
Xubuntu 19.04 “Disco Dingo” is just around the corner. It features numerous updates and an updated snapshot of Xfce 4.14 development.
Many people who use Rust for a bit - especially those who like the language but do not fall in love with it - feel a sense that there must be a smaller, simpler variation on the same theme which would maybe be a little less powerful, but would also be much easier to use. I agree with them, but I think they are almost…
“There’s this flat-earther documentary called BEHIND THE CURVE,” my wife said. “We have to watch it!” Of course we did. My wife will occasionally get into huge debates…
As if the scourge of ransomware wasn’t bad enough already: Several prominent purveyors of ransomware have signaled they plan to start publishing data stolen from victims who refuse to pay up. To make matters worse, one ransomware gang has now created a public Web site identifying recent victim companies that have…
When you invoke a function in an imperative programming language, you pass arguments to that function. But that function may also operate on global mutable state, meaning there are other factors in the operation of that function than merely the arguments you pass to it. To some extent this kind of contextual, implicit…
Some thoughts on Conway's Law and its effect on the software stack and open source ecosystem.
Above my mountain-top cottage in a beautiful Himalayan village, the road ends and the forest begins. After sunset, flying squirrels come out. Leopards
The first post introduced the IPIngressFilterPath and IPEgressFilterPath feature for the upcoming systemd release 243 to support custom BPF programs as firewall for services. There was a simple example for a minimal BPF program written in C and how to load it for a systemd service. Then there was a standalone program…
This is eventually about the public cloud and Open Source, but — apologies in advance — takes an indirect and long-ish path.
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[The following post has now been fully revised, expanded and published as C. R. Green, 'King Alfred and India: an Anglo-Saxon Embassy to Sou...
I’m a stock market enthusiast 📈, so lately I have spent my spare time on the topic of stock option pricing, and I was curious to find out whether or not I could build a script that accurately reflected real market option prices. It turns out I came close, and learned a lot along the way, which I share in this article.
At Google, our organization designs, owns, and maintains a number of optimization models that automate the planning of Google’s datacenter growth and health. As is pretty standard in supply chain optimization and planning, these models are often integer linear programs. It’s a core competency of operations research…
Mental models frame how we think about the world. This article describes how they work and why we need more of them in information security.
Recover from depersonalization and derealization2019102 points99 commentsSociety, Policy & Culture details
Can a new interactive movie shed some light on a strange disorder?
Despite dropping out, Gates, Jobs, and Zuckerberg were immensely successful because of the alignment of many factors: connections (for elite universities, attending can be as valuable as graduating, due to connections), high IQ (which allowed them to get into such universities and be so successful at tech ), access to…
The Pixelbook and four other fairly new Chromebooks have the special flag to enable GPU acceleration, making these the first to get the new feature for Linux. This should bring the Android emulator and improved gaming capabilities to Project Crostini.
Long news article (alternate source) on iPhone privacy, specifically the enormous amount of data your apps are collecting without your knowledge. A lot of this happens in the middle of the night, when you’re probably not otherwise using your phone: IPhone apps I discovered tracking me by passing information to third…
In this post, I’m going to go through the process of setting up Apple’s A/UX on a Quadra 610. It’s been a long time in the making - I think I had the hardware for nearly a year before I finally got A/UX running properly!
You are also not Spotify, Amazon, Apple, Microsoft, Facebook or one of several other big tech companies I could mention here. If I have excluded anybody reading this - I am sorry.Maybe you will still enjoy the read. For everyone else: This article is probably for you. To give you...
