
Arrno
@RunThreadr
Building async tools at http://Threadr.dev ⚙️ Making concurrency simple, safe, and fun.
Making concurrency simple, safe, and a little more fun 💡 Sharing async experiments, systems design notes, and progress on Threadr.dev 🧵. Tools that enable fast, clean, parallel software 🚀
In the era of AI, I’m almost always architecting and almost never writing third party integrations
Have you ever pushed a release and immediately thought “oh whoops.. forgot something🫢” .. better question.. have you ever pushed a release and NOT thought that? 😅
Been hearing a lot about the new .fast domain on here. Wonder if it’s hype or the next .app
I’m on the Codex train now.. haven’t touched Claude or Cursor in months and I don’t miss them ✌️👋
⛓️💥Breaking changes in a release means the core contract was updated.. almost always a mistake made in planning. A little extra forethought during API design could pay off big on your next major release ⭐️
One of my favorite thing about AI is the free code reviews.. A lot of bugs NOT making it into production. That peace of mind would be hard to give up.
Working on personal projects in the morning just hits different. Only get this feeling once a week on Saturdays.. but dreaming of the day I can do this Mo-Fri.

If Go had complete generics and slightly more ergonomic lambda functions, it would be the perfect language.
All your third party integrations should be behind interfaces. Easiest way to ensure that is to keep them in an “adapters” directory. Then, make sure you NEVER import adapters into core logic. ✅ Dependencies inverted
🙇♂️ I’m not a data scientist or a front-end dev.. so I can give an unbiased opinion on this.. TypeScript is 💯 better than Python people just accepting manual type Imports is madness 🙂↔️
I was really excited for web frameworks in Rust.. but the compile times are a killer. Watching and waiting for your navy blue button to re render in Cerulean isn’t the vibe.
11+ years ago, I was interviewing for my first job in tech to do support at a datacenter NOC.. I was asked “how many /24s are in a /26” 😱😱 what a bombshell of a question. Bungled the question, got the job anyway and booted my journey. Grateful for the memory.
When it comes to AI job panic, I think people are seriously underestimating the arc of the tech age.. until we’re building super computers the size of planets, there’s more work to do 🪐💻
Started writing Python again after years of Go.. and the fact that you can’t know a function raises by looking at its signature is wild to me.. Errors as values is the way!
One day quantum computers will be a reality.. ushering in an age of computation so blazingly fast.. we’ll finally be able to put JavaScript in the Linux kernel 🔥⚡️🥸
Landing pages ARE slide decks. Use templates, use AI.. it’s the story that matters most, not the theme.
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