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Posts by siobhán

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✨ Have you ever heard of Disney’s 12 Basic Principles of Animation? The very first rule, “Squash and Stretch”, can make motion feel *way* more satisfying.

I just dropped a brand-new blog post that shows how I’ve been using this technique in my own work:
www.joshwcomeau.com/animation/sq...

6 days ago 279 26 4 1
Comic. [Sign above four people. A person sits at a desk working on a laptop. A person with ponytail is talking to person with white hat. A person with short hair walks away.] SIGN: It has been [-0.00000000000000044] days since our last floating point error

Comic. [Sign above four people. A person sits at a desk working on a laptop. A person with ponytail is talking to person with white hat. A person with short hair walks away.] SIGN: It has been [-0.00000000000000044] days since our last floating point error

Day Counter

xkcd.com/3228/

1 week ago 5943 792 25 25
Video

View Transitions are now in all browsers! They also landed in React! developer.chrome.com/blog/view-tr...

5 months ago 163 27 5 1

Sliwa repeats the bullshit billionaires handout excuses about HQ2 — in truth, refusing to give them those billions of dollars was *exactly* the right call, and Amazon ended up hiring *more* people in NYC than they would have under that plan anyway! #NYCMayoralDebate

6 months ago 152 22 1 4
Gecko: Intent to Ship: CSS View Transitions L1 Gecko: Intent to Ship: CSS View Transitions L1

Gecko: Intent to Ship: CSS View Transitions L1

7 months ago 28 8 0 4
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CSS conditionals with the new if() function  |  Blog  |  Chrome for Developers Learn about the new CSS if function, which enables a cleaner developer interface for dynamic styles like style queries and media queries.

Wrote a post about CSS if()!

You can now write inline CSS conditionals for:

- style queries
- media queries
- supports queries

Read on:
developer.chrome.com/blog/if-arti...

9 months ago 70 18 2 1
Video

This @zohrankmamdani.bsky.social video is absolutely INCREDIBLE. The numbers he cites, the strategy and results they produced — it’s the future. When have you heard *any* campaign talk about this, ever? (Video split in 2 to fit in Bluesky’s limits)

9 months ago 17352 4895 365 1005

One of the things I'm wondering most about this is IPO'ing creating a conflict between driving more resources into AI features, but AI features kind of eating their own lunch. Automating away your employees (problematic) is very different than automating away your users (very problematic).

9 months ago 0 0 0 0
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News from WWDC25: WebKit in Safari 26 beta Welcome to WWDC25!

Coming soon to Safari:

- Anchor positioning (YAYY!)
- Scroll-driven animations (YAYY!)
- text-wrap: pretty
- progress() function
- margin-trim
- contrast-color()

webkit.org/blog/16993/n...

10 months ago 139 26 4 7
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In the pre-LLM era, I would tell junior devs to try to fix something by themselves for an hour before reaching out for help. Now I'd worry that would seem like a total waste of time, and the junior dev's productivity would be critiqued.

10 months ago 78 5 4 1

sisyphus at daily standup: i had to roll back some changes

10 months ago 357 79 4 6

I’m loath to share interviews with myself, but I really had a wonderful time sitting down with Ellen McGirt over at @designobserver.com. We spoke about my (too short) time at 18F, about responsive design turning 15, and about the urgent need for collective action — and, yes, unions — in tech.

10 months ago 39 11 0 1

I’m still looking! Please hire me! 👩🏻‍💻

1 year ago 2 2 0 0
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Storybook 9 is now in beta Try the future of UI testing today

Storybook 9 is now in beta!

It’s ready for you to try today.

Let’s see what’s inside…

11 months ago 127 25 7 11
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Illegally Female The UK's Supreme Court has ruled unanimously that trans women are not legally considered women.

What will happen to us un-women? My thoughts on today’s UK Supreme Court decision excluding trans women from the legal category of women. Over at Autostraddle: www.autostraddle.com/uk-supreme-c...

1 year ago 583 210 9 25

Twitter dev just announced DMs are going away, so get ready for a wave of new people on here lol.

1 year ago 3667 658 142 552
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Writing design systems documentation Writing design systems documentation is a hands-on, half-day course on how to write documentation that people can find, understand and use.

Exciting news 📣

I've just released 2 new dates for my Writing design systems documentation training:

- 1:30-5pm UK time, 23 May: bit.ly/4lpG9Z2
- 9am-12:30pm UK time, 29 May: bit.ly/4j2rW2D

A half-day course that will teach you how to plan, write and test docs that users will actually read.

1/2

1 year ago 23 13 1 2
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Item Flow Notes on the proposed Item Flow system for grid, flexbox, and masonry

Item Flow – notes on the proposed Item Flow system for grid, flexbox, and masonry from @ishadeed.com

ishadeed.com/article...

#CSS #FrontEnd #WebDev #WebDesign

1 year ago 10 4 1 0
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Harvard University Harvard University is devoted to excellence in teaching, learning, and research, and to developing leaders who make a difference globally.

Harvard rolled out a new website alongside its rejection of the admin’s terms. Some people have been working very hard! Kudos.

www.harvard.edu

1 year ago 282 81 4 23
Post image

I'm guessing this is implicit and deliberate comment by whoever does the web layout?

1 year ago 1437 255 27 11

Years without transphobia on stage at TED reset to 0 again and I am so fucking tired. So tired.

1 year ago 505 73 8 5

I’m still looking! Please hire me! 👩🏻‍💻

1 year ago 2 2 0 0

Like… I helped him write his speech on Silicon Valley extremism that explicitly laid out what Thiel and Musk and all these dudes wanted to do, and he delivered it *at Stanford* and… folks didn’t pay it much mind. What are they imagining is gonna happen now with them in power? Magic pixie dust?

1 year ago 82 11 2 0

Hi friends! I’m currently looking for full or part time work. I’ve been a DS/FE/UI engineer for over a decade, at companies ranging from 5-person startups to 1000+ employee global, publicly traded companies.

Remote/NYC/Brooklyn.

Please hire me! 🙏🏻
(and please repost!)

1 year ago 3 2 0 1
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2025 version of the NYC subway map

2025 version of the NYC subway map

Say hello to a new subway map! 🗺️

Today, the MTA unveiled a new subway diagram that provides riders with essential travel information in an easily readable, bright, and orderly manner.

1 year ago 1282 284 65 333