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Niels Leenheer Profile
Niels Leenheer

@html5test

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CTO of Salonhub. Creator of https://t.co/Fo9CHi2odH, writes at https://t.co/Xq5W6mo5b2, team @FronteersConf, Google Developers Expert, Invite me to speak at your event.

The Netherlands
Joined March 2008
Don't wanna be here? Send us removal request.
@html5test
Niels Leenheer
8 months
RT @html5test: <uʍop-ǝpısdn == sıɥʇ>. Want to know what this is about? Come to #HalfStack this Wednesday in London 🇬🇧 and see my talk about….
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@html5test
Niels Leenheer
8 months
Bluesky feels like the glorious days of Twitter. I’ll be posting there from now on. 🦋 @html5test.com.
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@html5test
Niels Leenheer
8 months
<uʍop-ǝpısdn == sıɥʇ>. Want to know what this is about? Come to #HalfStack this Wednesday in London 🇬🇧 and see my talk about resilience where we'll travel back to 1994 and rediscover one of the most important principles of the web. 🎟️
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@html5test
Niels Leenheer
9 months
Iceland 🇮🇸 day 2 has been amazing. Climbed a Volcano, saw snow, spectacular views and the Northern Lights 🤩
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@html5test
Niels Leenheer
9 months
Hello Iceland 🇮🇸
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@html5test
Niels Leenheer
9 months
Did I just go to the ISO standards store and seriously considered buying one of the standards documents…. Yes I did. Down the rabbit hole we go.
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@html5test
Niels Leenheer
9 months
RT @halfstackconf: HalfStack London Speaker Spotlight: @RowdyRabouw 🎉. We are excited to have Rowdy speaking on Beats in the Browser! . Ro….
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@html5test
Niels Leenheer
9 months
RT @halfstackconf: HalfStack London is excited to announce a talk by @CarlyLRichmond on image classification using TensorFlow.js. Carly wi….
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@html5test
Niels Leenheer
9 months
RT @halfstackconf: Machine learning models are interpreting the world and generative AI is taking over more and more of our tasks. What if….
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@html5test
Niels Leenheer
9 months
RT @halfstackconf: We are excited to have @leichteckig speaking at HalfStack London this November! . Inspired by the game Plants vs. Zombie….
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@html5test
Niels Leenheer
9 months
HalfStack (@halfstackconf) is one of my favorite web conferences. ✨ November the 13th they are back again in London and the lineup looks great. I will definitely be there. 🎉. 🎟️ Tickets are still available!.
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@html5test
Niels Leenheer
9 months
It has been a good week for photos. All in the space of a few day: beautiful palm trees in Bonaire, northern lights back home and now Atlas.
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@html5test
Niels Leenheer
9 months
Yesterday I finally got the opportunity to take a picture of C/2023 Atlas. Visible with the naked eye and quite a bit larger than what I expected. 🎉
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@html5test
Niels Leenheer
9 months
Interested in the code behind the barcode scanner? . It's all open source and available on including everything you need to for Point of Sale devices, including receipt printers. And thanks to the 🐡Project Fugu API's it all works in the browser. 💫.
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@html5test
Niels Leenheer
9 months
Scan any barcode using the webcam, or connect a physical barcode scanner and use WebSerial, WebHID or simply keyboard emulation mode.
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@html5test
Niels Leenheer
9 months
I'm hanging out at the airport, waiting for a flight. And I suddenly wondered what that code on the boarding pass contained. And since I already was working on interfacing with barcode scanners I created a little tool:.
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@html5test
Niels Leenheer
10 months
My For You page has turned into pretty much 99% porn, racism and other alarming content and memes. Pretty much the worst of the worst. But the Following page was still sane. Not anymore.
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@html5test
Niels Leenheer
10 months
@wesbos @getsentry Some people collect stamps. Or Pokémon cards.
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@html5test
Niels Leenheer
10 months
@wesbos @getsentry Do you also want to start hacking with receipt printers after seeing that?. I've written a quick Receipt Printers 101 that explains how they work and what packages are available to talk to them.
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@html5test
Niels Leenheer
10 months
Want to see a really fun project created with EscPosEncoder?. Take a look at the hack week that @wesbos did where he integrated @getsentry with a receipt printer:.
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