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Rachel Kaufman, developer

I'm a full-stack developer. I build web apps in Java, Javascript, and Python.

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Latest posts

My First Reveal.js Plugin: Image Credit Generator

The first of many.

My GitNation talk, “React at 60 FPS,” is now available online. →

Introducing: Links from Around the Web

Is this anything?

A Better Way to Test Object Equality in Java Unit Tests

Testing for object equality can be painful, but it doesn't have to be.

This blog is now on bubbles.town 🫧

Joining part of the indieweb that feels like the best part of the old internet.

Iocaine (the AI scraper poisoner) is Good, Actually

The "deadliest poison known to AI" is very easy to set up. You should.

iJS San Diego 2026, Wrapped

The talks I loved (and the talks I gave) at the International Javascript Conference.

30 Days of Coreutils: Wrapup

What this little challenge did for me.

30 Days of coreutils: chmod

A deep dive into a "boring" utility.

30 Days of Coreutils: nice

Mom always said to be nice. Here's how to do it in Linux.

30 Days of Coreutils: mktemp

One I never thought I'd use, until I did.

My Slides for ‘React at 60FPS’

My talk on how to get performant animations within React.

30 Days of Coreutils: du

What's taking up all that space on your computer and why is it always Docker?

30 Days of coreutils: head and tail

Catch a cat by the tail (or head).

30 Days of coreutils: sort

A program that has been superseded by modern GUI-based tools, but still has plenty of uses.

30 Days of coreutils: ls

ls seems simple, but has a lot going on.

30 Days of coreutils: ln

Today we dive into hard and soft links.

30 Days of coreutils: cat

Nothing to do with pets, unfortunately.

30 Days of coreutils: mkdir

mkdir

30 Days of coreutils: cp and mv

Starting off with a twofer, because why not.