Cassidy Williams
Cassidy Williams
Hi! I’m Cassidy, and I like to make memes and dreams and software. I’m the Senior Director of Developer Advocacy at GitHub! Outside of that fancy title, I’m a startup advisor and investor, open source-er, and meme-maker on the internet. I enjoy building mechanical keyboards, playing music, hanging out with my family and friends, and teaching in my free time.
August 2026
September 2026
October 2026
Top Words
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All posts (315)
You can build your own Copilot extensions now! Here's how to make them and test them.
How karaoke preparation turned into self-discovery, through singing lessons!
The browser has some nice built-ins for building a microphone recording component, so you don't have to use third-party libraries!
The way JavaScript assigns and references variables is sometimes weird, let's learn why.
You can layer CSS gradients as background images, even for text! Check out how I did it for making a marker-like highlight.
Here's my current recommendations and gear for traveling to events as a techie!
I like being able to do things without relying on the algorithms and connections in the world!
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