What it is like to be in Ukraine right now. Some really powerful imagery www.nytimes.com/2026/02/22/o...

If MJ Rathbun is alive, can I extrapolate and say that if you have a smart oven, you're lighting a living thing on fire? If you have a smart toilet, you're peeing into a living thing?

I am so tired. The awful thing about code is, you can start a task thinking it will take 5 minutes, and spend your whole day on it.

Keith Ellison's face at the end is priceless. What a gem

WaPo layoffs make me wonder if it is feasible to have a newspaper owned by its readers. Seems like there are a couple of examples from other countries of this working

ICE is determined to slaughter every citizen in Minneapolis until we are safe enough.

One year of keeping a tada list www.ducktyped.org/p/one-year-o...

If you're voting in MSP tomorrow, here's a good writeup of the candidates and issues (click through to the links): naomikritzer.com/2025/10/31/e...

Here's the second chapter in my series of linear algebra. It covers the dot product: www.ducktyped.org/p/linear-alg... You can read the first chapter here: www.ducktyped.org/p/an-illustr...

My book is half off today! www.manning.com/books/grokki... @manning.com

I'm starting a new series on linear algebra: www.ducktyped.org/p/an-illustr...

My book and all others are half off at Manning today www.manning.com/books/grokki...

New post! I find OAuth confusing, and if you do too, I hope this post helps. www.ducktyped.org/p/an-illustr...

Lake paintings

In my newest Substack post, I take a break from engineering to talk about colors. I think it's pretty interesting www.ducktyped.org/p/a-colorful...

Here's the last post in my series on AWS networking! www.ducktyped.org/p/aws-in-ter... Up next: one of web security, linear algebra, or linear regression

Here's the penultimate post in my series on AWS networking, and this one starts with an image caption contest www.ducktyped.org/p/an-illustr...

I've been drawing some goofy sketches this year as a new creative outlet/distraction and I'm gonna start threading them here.

Trump is Dolores Umbridge

My book is half off today! www.manning.com/dotd

Today I learned that a graduate student at the University of Minnesota was abducted by ICE yesterday. We need a rapid response from leaders at all levels on what we can do to protect everyone in our community. I will keep working on this issue and update as I learn more.

Here is the latest post in my series on AWS networking! It is called ✨ The CIDR House Rules ✨ www.ducktyped.org/p/the-cidr-h...

Every once in a while, Manning (my publisher) sends me a book to review. They recently sent me Outlier Detection in Python by Brett Kennedy, and it is a fantastic book. It's the rare sort of book that makes itself useful right away.

The next chapter in my illustrated AWS series is out! Read "old man yells at subnets" www.ducktyped.org/p/old-man-ye...

My book and all others are half off at Manning's website till the 16th! www.manning.com/books/grokki...

I'm starting a Substack! I'll be writing illustrated posts on different software topics. The first series is going to be all about AWS networking. Here's the first post on VPCs www.ducktyped.org/p/why-is-it-...

I've been slowly putting together notes on building an app with AWS. I build up to ECS, but before you can learn that, there are a lot of other things you will need to learn first:

The ebook version of my book is half off today! www.manning.com/books/grokki...

I went through and reviewed old PRs and issues on the grokking algorithms repo today. It takes me way too long to get to these, but I really appreciate the contributions, so please keep opening PRs!