A blockchain, put simply, is a way of building distributed consensus in a trustless system. It allows multiple entities (i.e. computers) to collaborate and do computations without needing to trust in either a central authority or in each other, as every computation must be verified before it is accepted. There are…
Boards often don’t think about shaking up the C-suite until it’s too late.
It’s an established fact on the internet that we have ran out of IP(v4) addresses , and we are starting to see the pressure on obtaining IPv4 space. For example if you want to get a /24 block from RIPE NCC when you sign up as a member, then you are currently looking at a 2 month wait for a recycled IPv4 /24 block .
Today, Let's Encrypt announced that they are enabling an extension to DNS CAA records known as ACME-CAA ( RFC 8657 ). This came as a surprise to me, but a very pleasant one, since I wrote the ACME-CAA specification back in 2016 with Let's Encrypt in mind, and it was finally published as RFC 8657 back in 2019. To my…
Leverage is actually reasonably easy to understand, both in the math and in the implications for financial firms.
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, thi…
As I've previously blogged in Pure Rust Implementation of Apple Code Signing (2021-04-14) and Expanding Apple Ecosystem Access with Open Source, Multi Platform Code signing (2022-04-25), I've been hacking on an open source implementation of Apple code signing and notarization using the Rust programming language. This…
dsq is a commandline tool for running SQL queries against all the data file types that DataStation supports (JSON, CSV, Parquet, Excel, etc.). Here is a simple example:
To grow copper acetate crystals, first prepare a saturated solution by reacting 10 g of scrap copper with 400 mL of white vinegar.
The world produces more food than ever, but the amount of land we use is now falling. This means we can feed more people while restoring wild habitat.
I wanted to see how a language model would analyze my existing code.
Missouri Governor Mike Parson made headlines last year when he vowed to criminally prosecute a journalist for reporting a security flaw in a state website that exposed personal information of more than 100,000 teachers. But Missouri prosecutors now say they will not pursue charges following revelations that the data…
We’d like to announce the availability of the QEMU 7.0.0 release. This release contains 2500+ commits from 225 authors.
Use Connect to build simple, stable, browser and gRPC-compatible APIs.
We've all been there: you learn a few things and it all seems so simple, but when it comes time to make something yourself, it doesn't look right! In this tutorial, we'll start with some "beginner's pixel art" and we'll make edits to it in order to show off some common mistakes and their solutions. One of the hardest…
I’ve been talking a lot recently about how quantum algorithms don’t work. But last week JR Minkel, an editor at Scientific American, asked me to write a brief essay about how quantum al…
If you and I ever had a longer conversation, chances are that Neal Stephenson might have come up once or twice. As contemporary authors go, Neal’s books are by far the most enthralling on my long and ever-growing reading list. This post is primarily written for people that usually shy away from reading what they…
As announced previously, Factorio is now available for Nintendo Switch. You can find it on the Nintendo eShop in your region. I hope you will enjoy it. Remember that if you are not sure, you can try the demo. I recommend playing through the tutorial campaign even if you are a veteran player, as it gradually teaches…
This document provides the GNU Name System (GNS) technical specification. GNS is a decentralized and censorship-resistant domain name resolution protocol that provides a privacy-enhancing alternative to the Domain Name System (DNS) protocols. This document defines the normative wire format of resource records…
I'll show you what good logging is with real-life examples. Most people don't know what to log, so they end up creating just noise....
I wrote a program that sends cats to my phone when I'm sad at the computer.
How to move a running process into a tmux session
Now that Twitter is dying, what can replace it?
Early-stage startups shouldn't run on Kubernetes yet.
