Catalin 🧪
@catalincodes.com
Clear explanation of the big O, in a beautifully written article 😍 by @samwho.dev samwho.dev/big-o #engineering
Big O
A visual introduction to big O notation.
samwho.dev
November 13, 2025 at 11:48 AM
Clear explanation of the big O, in a beautifully written article 😍 by @samwho.dev samwho.dev/big-o #engineering
The insidious effect of workslop is that it shifts the burden of the work downstream, requiring the receiver to interpret, correct, or redo the work. In other words, it transfers the effort from creator to receiver.
hbr.org/2025/09/ai-g...
hbr.org/2025/09/ai-g...
AI-Generated “Workslop” Is Destroying Productivity
Despite a surge in generative AI use across workplaces, most companies are seeing little measurable ROI. One possible reason is because AI tools are being used to produce “workslop”—content that appea...
hbr.org
September 25, 2025 at 12:32 PM
The insidious effect of workslop is that it shifts the burden of the work downstream, requiring the receiver to interpret, correct, or redo the work. In other words, it transfers the effort from creator to receiver.
hbr.org/2025/09/ai-g...
hbr.org/2025/09/ai-g...
Nice tutorial on how to write a reusable Text Streaming Animation hook 🪝 for #React by @samselikoff.com www.youtube.com/watch?v=vgIC...
Animate streaming text with a one-line hook
YouTube video by Sam Selikoff
www.youtube.com
June 11, 2025 at 2:29 PM
Nice tutorial on how to write a reusable Text Streaming Animation hook 🪝 for #React by @samselikoff.com www.youtube.com/watch?v=vgIC...
I really loved this talk by @aaronfrancis.com on how to bet on yourself, and some small tips on dealing with Impostor Syndrome.
Thank you for the amazing content 🙏
www.youtube.com/live/SDuvi5e...
Thank you for the amazing content 🙏
www.youtube.com/live/SDuvi5e...
Epic Web Conf 2025 Live 🔴
YouTube video by Epic Web Dev
www.youtube.com
April 30, 2025 at 8:24 AM
I really loved this talk by @aaronfrancis.com on how to bet on yourself, and some small tips on dealing with Impostor Syndrome.
Thank you for the amazing content 🙏
www.youtube.com/live/SDuvi5e...
Thank you for the amazing content 🙏
www.youtube.com/live/SDuvi5e...
This post about the AbortController really blew my mind 🤯 kettanaito.com/blog/dont-sl... by Artem Zakharchenko. Thanks for the write-up 🙏
Don't Sleep on AbortController
Learn how to make anything abortable in JavaScript.
kettanaito.com
April 29, 2025 at 3:06 PM
This post about the AbortController really blew my mind 🤯 kettanaito.com/blog/dont-sl... by Artem Zakharchenko. Thanks for the write-up 🙏
Really nice tutorial 👨🏫 on how to create a clean frosted glass 🪟 effect with #CSS, by @joshwcomeau.com : www.joshwcomeau.com/css/backdrop...
Next-level frosted glass with backdrop-filter • Josh W. Comeau
Glassy headers have become a core part of the “slick startup” UI toolkit, but they’re all missing that final 10% that really makes it shine. In this tutorial, you’ll learn how to create the most reali...
www.joshwcomeau.com
March 22, 2025 at 8:34 PM
Really nice tutorial 👨🏫 on how to create a clean frosted glass 🪟 effect with #CSS, by @joshwcomeau.com : www.joshwcomeau.com/css/backdrop...
"Great software design looks underwhelming". Easier said than done, but still, a good guiding principle 🤓. Article by Sean Goedecke 📚 www.seangoedecke.com/great-softwa... #softwarearchitecture
Great software design looks underwhelming
--
www.seangoedecke.com
March 18, 2025 at 8:06 AM
"Great software design looks underwhelming". Easier said than done, but still, a good guiding principle 🤓. Article by Sean Goedecke 📚 www.seangoedecke.com/great-softwa... #softwarearchitecture
Really good intro to `container-queries` by @joshwcomeau.com 🤓 www.joshwcomeau.com/css/containe... #css
A Friendly Introduction to Container Queries • Josh W. Comeau
It’s been a couple of years since container queries started landing in browsers… so why isn’t anyone using them? It turns out that container queries are kinda tricky; they’re not as straightforward as...
www.joshwcomeau.com
March 7, 2025 at 10:56 AM
Really good intro to `container-queries` by @joshwcomeau.com 🤓 www.joshwcomeau.com/css/containe... #css
Hello humans! 🤖
Together with @vercel.com and @neondatabase.bsky.social, @mirohq.bsky.social is hosting a JavaScript Meetup!
🗓️ When: 5th of February, 18:00
📍 Where: Miro office in Amsterdam
This will be a fun, nerding-out event 🤓, so why miss it? More info and RSVP here: partiful.com/e/NYuBnyeqsw...
Together with @vercel.com and @neondatabase.bsky.social, @mirohq.bsky.social is hosting a JavaScript Meetup!
🗓️ When: 5th of February, 18:00
📍 Where: Miro office in Amsterdam
This will be a fun, nerding-out event 🤓, so why miss it? More info and RSVP here: partiful.com/e/NYuBnyeqsw...
RSVP to Vercel+ Amsterdam Meetup | Partiful
Amsterdam! We're coming to you!
Vercel is partnering with Neon and Miro to bring you the winter meetup. Hosted in the Miro offices, we're going to have talks, networking, and lots of food!
Full agen...
partiful.com
January 18, 2025 at 6:44 PM
Hello humans! 🤖
Together with @vercel.com and @neondatabase.bsky.social, @mirohq.bsky.social is hosting a JavaScript Meetup!
🗓️ When: 5th of February, 18:00
📍 Where: Miro office in Amsterdam
This will be a fun, nerding-out event 🤓, so why miss it? More info and RSVP here: partiful.com/e/NYuBnyeqsw...
Together with @vercel.com and @neondatabase.bsky.social, @mirohq.bsky.social is hosting a JavaScript Meetup!
🗓️ When: 5th of February, 18:00
📍 Where: Miro office in Amsterdam
This will be a fun, nerding-out event 🤓, so why miss it? More info and RSVP here: partiful.com/e/NYuBnyeqsw...
Super excited to have my first talk...ever 😁.
It will be at AmsterdamJs, and I'm gonna talk about Feature Flags 🚩.
If it sounds interesting, please join me this Thursday 🗓️, 12th of December, at the Miro office 📍 in Amsterdam 🤓 @jsnation.gitnation.org
It will be at AmsterdamJs, and I'm gonna talk about Feature Flags 🚩.
If it sounds interesting, please join me this Thursday 🗓️, 12th of December, at the Miro office 📍 in Amsterdam 🤓 @jsnation.gitnation.org
December 11, 2024 at 4:51 PM
Super excited to have my first talk...ever 😁.
It will be at AmsterdamJs, and I'm gonna talk about Feature Flags 🚩.
If it sounds interesting, please join me this Thursday 🗓️, 12th of December, at the Miro office 📍 in Amsterdam 🤓 @jsnation.gitnation.org
It will be at AmsterdamJs, and I'm gonna talk about Feature Flags 🚩.
If it sounds interesting, please join me this Thursday 🗓️, 12th of December, at the Miro office 📍 in Amsterdam 🤓 @jsnation.gitnation.org
Now this is pretty cool! 🤩. You can customize how valid/invalid inputs look like AFTER the user interacted with them, using the :user-valid and :user-invalid pseudo-classes.
#CSS is awesome! 🚀
More info here: web.dev/articles/use...
#CSS is awesome! 🚀
More info here: web.dev/articles/use...
The :user-valid and :user-invalid pseudo-classes | Articles | web.dev
About the :user-valid and :user-invalid pseudo-classes and how to use them to improve the user experience of input validation.
web.dev
November 7, 2024 at 3:47 PM
Now this is pretty cool! 🤩. You can customize how valid/invalid inputs look like AFTER the user interacted with them, using the :user-valid and :user-invalid pseudo-classes.
#CSS is awesome! 🚀
More info here: web.dev/articles/use...
#CSS is awesome! 🚀
More info here: web.dev/articles/use...
If you need ideas on how to use the CSS `:has` selector, here's some help from @joshwcomeau.bsky.social #css
buff.ly/3zdzNZv
buff.ly/3zdzNZv
The Undeniable Utility Of CSS :has • Josh W. Comeau
Of all the latest and greatest CSS features, the “:has” pseudo-class wasn’t exactly at the top of my wishlist. Once I started using it, however, I kept discovering incredible things I could do with it...
buff.ly
October 17, 2024 at 8:18 AM
If you need ideas on how to use the CSS `:has` selector, here's some help from @joshwcomeau.bsky.social #css
buff.ly/3zdzNZv
buff.ly/3zdzNZv
Another way for thinking about Threads in Node.js: buff.ly/3ZSQZhX #nodejs
Node.js is Not Single-Threaded
Node.js is known as a blazingly fast server platform with its revolutionary single-thread...
buff.ly
October 12, 2024 at 8:52 PM
Another way for thinking about Threads in Node.js: buff.ly/3ZSQZhX #nodejs
Here's a hot take, which I kinda agree with 😅 buff.ly/484FKF3 #Frontend
Why is prisma orm bad?
Today, I was discussing with a friend which PostgreSQL client (ORM) he should use. Choosing the best...
buff.ly
October 12, 2024 at 8:51 PM
Here's a hot take, which I kinda agree with 😅 buff.ly/484FKF3 #Frontend
A brief look into `chezmoi`, a GNU `stow` alternative: buff.ly/4017GHP #dotfiles
Automate Your Dotfiles with Chezmoi
When it comes to your terminal, configuration can make be the difference between frustration or a flow state. This means managing your dotfiles is critical for every developer. By the end of this tuto...
buff.ly
October 12, 2024 at 8:51 PM
A brief look into `chezmoi`, a GNU `stow` alternative: buff.ly/4017GHP #dotfiles
Finally a good post on why Experiments and Config Flags do not belong together. Thanks 🙏 buff.ly/3zWC9fO
What’s Wrong with Feature Flags?
Engineering and Growth teams aren't speaking the same language
buff.ly
October 12, 2024 at 8:50 PM
Finally a good post on why Experiments and Config Flags do not belong together. Thanks 🙏 buff.ly/3zWC9fO
This kinda broke my brain a bit 😵💫 , but here's a thorough read on building an "undo/redo" system: dev.to/isaachagoel/... #frontend
You Don't Know Undo/Redo
Look at the gif below. It shows a proof-of-concept implementation of collaborative undo-redo,...
dev.to
October 8, 2024 at 8:35 PM
This kinda broke my brain a bit 😵💫 , but here's a thorough read on building an "undo/redo" system: dev.to/isaachagoel/... #frontend
Interesting paper on how Google does system design 🤓 sre.google/workbook/non... #SRE
Chapter 12 - Introducing Non-Abstract Large System Design, Google SRE Book
sre.google
August 29, 2024 at 3:39 PM
Interesting paper on how Google does system design 🤓 sre.google/workbook/non... #SRE
Thank you @joshwcomeau.bsky.social for explaining the `useDeferredValue` hook so well.
Nice and clear 🤩.
www.joshwcomeau.com/react/use-de...
#react #frontend
Nice and clear 🤩.
www.joshwcomeau.com/react/use-de...
#react #frontend
Snappy UI Optimization with useDeferredValue
useDeferredValue is one of the most underrated React hooks. It allows us to dramatically improve the performance of our applications in certain contexts. I recently used it to solve a gnarly performan...
www.joshwcomeau.com
August 20, 2024 at 6:59 PM
Thank you @joshwcomeau.bsky.social for explaining the `useDeferredValue` hook so well.
Nice and clear 🤩.
www.joshwcomeau.com/react/use-de...
#react #frontend
Nice and clear 🤩.
www.joshwcomeau.com/react/use-de...
#react #frontend
I really like this take on Tech Debt 💸 “Tech debt is like fast food. It is ok when you have no better choice, but one needs to do the workout to reduce its negative side effects.“ blog.alexewerlof.com/p/tech-debt-...
We invested 10% to pay back tech debt; Here's what happened
Why and how we continuously invested the team bandwidth to pay back tech debt and what were the results?
blog.alexewerlof.com
July 12, 2024 at 4:42 PM
I really like this take on Tech Debt 💸 “Tech debt is like fast food. It is ok when you have no better choice, but one needs to do the workout to reduce its negative side effects.“ blog.alexewerlof.com/p/tech-debt-...
Great post on UI Density matthewstrom.com/writing/ui-d... if you’re interested on crafting better user interfaces 🤓
UI Density
I speak and write about design, front-end code, leadership, and (occasionally) math.
matthewstrom.com
July 12, 2024 at 4:41 PM
Great post on UI Density matthewstrom.com/writing/ui-d... if you’re interested on crafting better user interfaces 🤓
Super useful list of latency numbers for different parameters 🤓 . Thanks @vercel.com 🙏 for sharing. vercel.com/blog/latency...
Latency numbers every frontend developer should know – Vercel
Latency numbers every web developer should know
vercel.com
June 21, 2024 at 2:08 PM
Super useful list of latency numbers for different parameters 🤓 . Thanks @vercel.com 🙏 for sharing. vercel.com/blog/latency...
Interesting read: navigating the future of frontend @femastery ⛵https://frontendmastery.com/posts/navigating-the-future-of-frontend/
June 11, 2024 at 12:58 PM
Interesting read: navigating the future of frontend @femastery ⛵https://frontendmastery.com/posts/navigating-the-future-of-frontend/
If you want to better understand the color 🎨 of your website/app, this is the perfect explanation 👌 . learnui.design/blog/color-i... by @erikdkennedy
Color in UI Design: A (Practical) Framework
The importance of color variations · Darker vs. lighter variations · Analyzing the real world · The Rules (in HSB) · Luminosity · The Way of Color
learnui.design
June 6, 2024 at 7:40 PM
If you want to better understand the color 🎨 of your website/app, this is the perfect explanation 👌 . learnui.design/blog/color-i... by @erikdkennedy
I totally agree, even though I don't always respect it 😅 . Stick to boring, and THEN add something "fresh": addyo.substack.com/p/stick-to-b... by Addy Osmani
April 3, 2024 at 2:44 PM
I totally agree, even though I don't always respect it 😅 . Stick to boring, and THEN add something "fresh": addyo.substack.com/p/stick-to-b... by Addy Osmani