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Posts by David Fitzgibbon

I’m convinced Radiohead is a performance art joke and they’ll reveal themselves soon. Is the only reason people could like that music.

12 hours ago 1 0 0 0

Oh so now copyright matters.

1 week ago 6031 2052 5 18
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Thanks Cassidy!

codepen.io/loficodes/pe...

1 week ago 2 0 0 0
A red Camaro like sports car with snazzy LED headlights, alloy wheels and an analog radio antenna

A red Camaro like sports car with snazzy LED headlights, alloy wheels and an analog radio antenna

My second blender render trying to take it seriously

1 week ago 5 0 0 0

TiL you are opted-in by default to Copilot training on your data in GH. The toggle to turn that off is here: https://github.com/settings/copilot/features

2 weeks ago 1 7 1 1

Maybe that’s how much money it takes to achieve these things! 🤔

2 weeks ago 1 0 0 0

Notion is a disaster for that. I just don’t expect things to work there!

2 weeks ago 1 0 0 0
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It’s still super buggy. Been doing a teaching course recently so needed to copy lots of stuff between the lesson plan, presentation and other sources. Often couldn’t paste into the Google products. Tried clipboard, Alfred, pasting into a plain text editor and copying. Still often wouldn’t work. 🤷‍♂️

2 weeks ago 1 0 1 0

Holy heck! Nice!

2 weeks ago 1 0 1 0

I’m not saying not to try it, but please make sure you’re verifying the heck out of what it gives you.

Thanks for all the great info you share!

2 weeks ago 0 0 0 0

I’d bet hugely sceptical of this.

I write code for a living. I’ve asked AI for code related things, and other kinds of information and it’s always a little wrong.

Asking AI to write the code that gives you another tool to give you information geometrically increases its likelihood to be wrong

2 weeks ago 0 0 2 0
Screenshot of a tweet by Abigail Spanberger discussing a Virginia redistricting referendum and urging a “yes” vote. The image below features a black-and-white photo of Donald Trump with bold text reading “ENTITLED TO MORE REPUBLICAN SEATS.”

Screenshot of a tweet by Abigail Spanberger discussing a Virginia redistricting referendum and urging a “yes” vote. The image below features a black-and-white photo of Donald Trump with bold text reading “ENTITLED TO MORE REPUBLICAN SEATS.”

Virginia voters: it's your time to shine! Stop Trump and help us flip the House.

2 weeks ago 1321 291 28 10

just this week:

-- OpenAI killed Sora
-- Disney subsequently cancelled its investment in OpenAI
-- Wikipedia is now banning LLM-generated content

...tell me again how this is all "inevitable" and you have to "get on board or get left behind"?

2 weeks ago 11361 4260 119 89

Came out of the post office, saw that a guy had cut my saddle bag off my bike and was about to take off with it. I yelled "Please wait my cat's medicine is in there!" He started to run, and this grandma-age lady goes "SHE SAID HER CAT'S MEDICINE IS IN THERE" and WALLOPED him with her grocery bag.

2 weeks ago 15985 1917 358 184
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CodePen TV 📺 100% Pure CSS 📺📺📺📺📺📺📺📺📺📺📺📺📺📺 🚫 - 100% No Images ☕ - Definitely no JavaScript 🤖 - Absolutely no AI 😇 - Only the purest HTML and completely vanilla fresh CSS!! 📺...

To celebrate something-or-other, I created a retro CRT using only vanilla CSS!

📺 codepen.io/ivorjetski/p...

No images. No JavaScript. No SASS.

Fully turn-off-and-on-able!

Also a documentary about the making of it: www.youtube.com/watch?v=wdNH...

@CodePen #css #cssart #cssonly #frontend

3 weeks ago 79 26 9 5
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Really interesting! Still trying to find time to catch up on all your latest stuff.

Wondering if the opposite could work too? Bringing in a palette and testing it?

3 weeks ago 1 0 1 0
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cassidoo 16/03/2026 ...

Even drew a little picture for this one: codepen.io/loficodes/pe...

3 weeks ago 1 1 0 0

The @codepen.io Compiler is the real key to making 2.0 so awesome.

Because of how smart it is, using Tailwind is as simple as `@import "tailwindcss"`, and using most JS Libraries is as simple as `import gsap from "gsap"`!

No additional work required on your part.

codepen.io/editor/shsha...

4 weeks ago 11 3 1 0
Code example showing the usage of Temporal.ZoneddateTime

```js
// London DST starts: 2026-03-29 01:00 -> 02:00
const zdt = Temporal.ZonedDateTime.from(
  "2026-03-29T00:30:00+00:00[Europe/London]",
);

console.log(zdt.toString());
// → "2026-03-29T00:30:00+00:00[Europe/London]"

const plus1h = zdt.add({ hours: 1 });

console.log(plus1h.toString());
// "2026-03-29T02:30:00+01:00[Europe/London]" (01:30 doesn't exist)
```

Code example showing the usage of Temporal.ZoneddateTime ```js // London DST starts: 2026-03-29 01:00 -> 02:00 const zdt = Temporal.ZonedDateTime.from( "2026-03-29T00:30:00+00:00[Europe/London]", ); console.log(zdt.toString()); // → "2026-03-29T00:30:00+00:00[Europe/London]" const plus1h = zdt.add({ hours: 1 }); console.log(plus1h.toString()); // "2026-03-29T02:30:00+01:00[Europe/London]" (01:30 doesn't exist) ```

Temporal is now Stage 4 at TC39 🎂🎂🎂

Thanks to all the other champions of JavaScript's new date-time API. It has been a wild ride over many years!

I wrote a blog post explaining how we got here 📜

bloomberg.github.io/js-blog/post...

4 weeks ago 345 82 20 16
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What's My JND? Find your Just Noticeable Difference in colour perception. How small a colour difference can you actually see?

For those who want to test their perception of colour, I made a little game called "What's My JND"

www.keithcirkel.co.uk/whats-my-jnd...

1 month ago 434 113 111 208
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What's My JND? Find your Just Noticeable Difference in colour perception. How small a colour difference can you actually see?

What's My JND? 0.0047
Can you beat it? www.keithcirkel.co.uk/whats-my-jnd...

4 weeks ago 1 0 0 0
AI Business Excellence Awards

Most Innovative Web Developer Browser

Polypane

AI Business Excellence Awards Most Innovative Web Developer Browser Polypane

We just got recognised as the most innovative web developer browser in the Business Excellence Awards by Acquisition International magazine! 😎

1 month ago 22 7 0 1

my ideal future is not one where tech makes everyone go faster but one where everyone has the freedom to slow down

1 month ago 167 39 5 3
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If you'd like my newsletter in video form!

youtu.be/x-NxO4PoQKs

1 month ago 7 1 0 0
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This wont work if the a's and b's are blended a little to start with, or if there are more b's than a's, but I'm short on time!

codepen.io/loficodes/pe...

1 month ago 2 0 0 0

PSA: if you post F1 spoilers you will be unfollowed. Especially when the weekend is in a country in a very easterly tiresome.

Some of us are only waking up, even if it’s a short view back to the past for you.

1 month ago 0 0 0 0

Denis Villeneuve - qntm. Specifically There Is No Anti Memetics Division

1 month ago 2 0 0 0

These are awesome! Your knowledge on this stuff has always blown my away. Must admit I never quite felt I was keeping up with what was in your head, but this feels like I can actually SEE what you’re thinking. Abating to see your continued progress and genius!

1 month ago 3 0 1 0
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🚨 It looks like the UK government is gearing up to upend copyright law in favour of AI companies, legalising the theft of their work.

This is despite creatives' huge protests, and despite previous proposals being roundly rejected by the public.

Please spread the word.

🧵 1/4

1 month ago 3090 2548 97 478
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Similar to the desktop version but with OS styling on mobile.

1 month ago 1 0 0 0