Me solving 2025’s last Advent of Code puzzle

“We adopted #rustlang for its security and are seeing a 1000x reduction in memory safety vulnerability density ... with Rust changes having a 4x lower rollback rate and spending 25% less time in code review, the safer path is now also the faster one.” security.googleblog.com/2025/11/rust...

So in Java, sometimes you can have pretty long/deeply nested type signatures (yes, I'm doing something complicated :P). In @intellijidea.com, when you look at the types using Cmd+hover, why does the tooltip show everything on one super long line? Same question for Cmd+P to show arguments.

A tool I helped create a few years ago. It was pretty straightforward to write (~one week with a few devs) but apparently it’s really useful for certain types of research! A great collaboration between @atlassian.bsky.social and @victorchang.edu.au.

`jj undo`, I love you. (jj is a git-compatible git alternative. You should try it.)

For a field with type Map<Foo, Bar>, do you prefer naming it fooToBar, or barsByFoo? (Assuming that e.g. just bars is not clear enough.)

This was a really interesting episode about databases but also UX trade offs. (No prior knowledge of DB internals required.)

It me

Released a new version of commonmark-java 🎉: github.com/commonmark/c...

New blog post up on the Rust font loader now shipping in Chrome. I only had a small part in this personally but am proud of the team's work. developer.chrome.com/blog/memory-...

Used `jj absorb` recently and it’s so good! I had some work that was already in PR, and some work on top for later PRs. I needed to address some feedback for the PR. So just made the changes on top, then absorb -> changes are automatically put into the right commits.

Used duckdb.org for the first time today. Just to do an inner join of two CSV files, but I'll try it again next time for some ad-hoc data processing. This is a single command, but it also has an interactive mode with syntax highlighting and completion:

Oh nice, there's a libification project for Git, including a Rust library! It's still early days but at some point this could replace usages of libgit2.org

BREAKING: Debris seen over the Caribbean after SpaceX's Starship explodes during test flight

Hello @bsky.app, here's to looking into more #bluesky and beyond... 😉

I've started using the "Commit Mono" font and I'm really liking it for both editor and terminal (used to use Source Code Pro, JetBrains Mono, SF Mono). Anyone else?

Thought this ASCII art diagram for binary addition using logic gates was neat. (From #adventofcode day 24. x and y are input digits, z is result.)

Siri: “Foo sent a long notification, read it?” Me:

Can we have Bluesky trends but less American please?

Just listened to this article using iOS Safari’s new “Listen to Page” feature. It doesn’t do a bad job, but there’s some words it gets hilariously wrong, like “codebase”, “builtin”, “unfortunately”, “github” (jittub). Also wish the playback position was synced with the page. But will use again.

The new Siri voice (Australian) after the latest iOS update sounds weird. Not as cheerful or friendly as the previous one. Anyone else?

So apparently the only way to delete all photos in Google Photos is to shift-select a bunch of pages, press Delete, wait, repeat.

Trying out Mermaid instead of Graphviz to visualize things for Advent of Code this year, e.g. the rules in day 5 #adventofcode

Also on #adventofcode, merged all my yearly individual repos into one. In the merged repo, each year is a subdirectory and I linearised the history because the commits were all chronological anyway. Script I used to do the merging: gist.github.com/robinst/97be...

Who’s doing Advent of Code? What language? I’m doing it in Java again. A bit boring I know, but will try newest version with the new language features (e.g. record patterns). #adventofcode

Intro post: Have you ever done a `git push` and it printed a nice link for you to create a pull request (see screenshot)? That was me! One of my first 20% projects when I was working on Bitbucket at Atlassian. GitHub later copied it – glad they did because I use it almost every day :)!

Ran this to find a few more people that I used to follow on Twitter. Recommend to press "Resume Scanning" a few times.