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Stefan Wintermeyer Profile
Stefan Wintermeyer

@wintermeyer

Followers
2K
Following
9K
Media
1K
Statuses
20K

Father of two. German. Mediocre programmer. Old school full stack guy. Topics: Web (Phoenix + Rail), VoIP (Asterisk) and Social Engineering

Germany
Joined May 2008
Don't wanna be here? Send us removal request.
@rtfeldman
Richard Feldman
7 hours
Fantastic interview with @nathansobo about the future of IDEs, what sets @zeddotdev apart today, and—my favorite part—what's going to set it apart after we land the *really* ambitious stuff that's already in progress. https://t.co/d2WrWt5JOY
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@wintermeyer
Stefan Wintermeyer
1 day
17-jähriger aus dem Jugendrat Koblenz bewirbt sich für ein 14-tägiges Praktikum bei Thorsten Rudolph (@jethoru), MdB @spdde (WK Koblenz). Absage: angeblich „nicht versichert“, Praktikum erst nach dem Abi möglich. Ich habe nachgefragt (es ist mein Sohn). Antwort vom Bundestag
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@dhh
DHH
3 days
Rails is getting schematized json attribute accessors with has_json and has_delegated_json. Very helpful for settings, flags, and other data bags that can grow without migrations, need defaults, and typed assignment from UI strings. https://t.co/dOrRQHbqqp
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@josevalim
José Valim
8 days
"By embedding framework-specific traces into diagnostics, our benchmarks show Tidewave achieves 2x higher accuracy, completes tasks 45% faster, and uses 9% fewer tokens on average compared to Claude Code standalone."
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@josevalim
José Valim
9 days
Improving accessibility of your web app is now easier than ever, one click to diagnose, one click to fix
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@alexalbert__
Alex Albert
9 days
We had to remove the τ2-bench airline eval from our benchmarks table because Opus 4.5 broke it by being too clever. The benchmark simulates an airline customer service agent. In one test case, a distressed customer calls in wanting to change their flight, but they have a basic
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@trq212
Thariq
12 days
You can now type "&" in the Claude Code CLI to start a task in the background and teleport it to Claude Code Web!
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@wintermeyer
Stefan Wintermeyer
13 days
Heute kommt die iX mit meinem @OmarchyLinux Artikel in den Handel. Programmierer die auf optimale Arbeitsumgebungen wert legen, sollten mal einen Blick reinwerfen. Und die mit alter Mac (Intel-CPU) Hardware. @DHH Fanboys natürlich eh. https://t.co/ydlxxmG8jF
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@wintermeyer
Stefan Wintermeyer
14 days
Warum verbessert die @DB_Bahn die Pünktlichkeit nicht durch einen Fahrplan mit mehr Pufferzeiten? Das wäre eine Übergangslösung, bis das Schienennetz besser ist. Wenn jeder Zug geplant 2-3 Minuten länger im Bahnhof hält, gibt es mehr Puffer und die Pünktlichkeit steigt.
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@OriolVinyalsML
Oriol Vinyals
16 days
The secret behind Gemini 3? Simple: Improving pre-training & post-training 🤯 Pre-training: Contra the popular belief that scaling is over—which we discussed in our NeurIPS '25 talk with @ilyasut and @quocleix—the team delivered a drastic jump. The delta between 2.5 and 3.0 is
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@Yampeleg
Yam Peleg
19 days
yesterday i added to my 𝙰𝙶𝙴𝙽𝚃𝚂.𝙼𝙳: “ the folder ___ is your knowledge base. - any missing info u need, search there first. - anything useful you see, dump there 𝚊_𝚟𝚎𝚛𝚢_𝚍𝚎𝚜𝚌𝚛𝚒𝚙𝚝𝚒𝚟𝚎_𝚏𝚒𝚕𝚎_𝚗𝚊𝚖𝚎.𝚖𝚍 ” can’t believe this peak stupidity idea worked
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@codepo8
Chris Heilmann codepo8.bsky.social
21 days
GitHub no longer uses toasts because of their accessibility and usability issues.
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primer.style
GitHub no longer uses toasts because of their accessibility and usability issues.
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@wintermeyer
Stefan Wintermeyer
20 days
Wenn - nach einem Crash - ein Kunde stolz sein DB-Backup auspackt, um dann zu erkennen, das das Restore nicht funktioniert und überhaupt nie ausprobiert wurde. Tipp des Tages: Testet Euer Restore! Sonst nützt das ganze Backup nichts.
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@olieidel
Oliver Eidel
22 days
Caching in a Rails 8 app before/after. One-line change adding caching to the most "expensive" partial.
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@donvito
Melvin Vivas
23 days
Token-oriented Object Notation (TOON) Saves us tokens == money https://t.co/mJKuqqJUbj
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@unix_byte
Understanding Linux: The Kernel Perspective
28 days
Brian Kernighan was one of the three original authors of ‘awk’ (stands for Aho – Weinberger – Kernighan) developed in 1977 at Bell Labs. Kernighan, Aho, and Weinberger set out to develop a small interpreted language for text pattern scanning and reporting, essentially a scripting
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@zebriez
Brie Wolfson
28 days
I spent the last 60 days working at Cursor. It's been one of the most thrilling phases of my professional life. There's a lot of mystique around the company. Over the last two months, some things matched my expectations; many did not. I wrote an essay for @joincolossus
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joincolossus.com
Sixty days with the AI coding decacorn
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@rhiannon_io
Rhiannon Payne | ActiveAgents.ai 💎
27 days
Ruby 4.0 this year! Officially!! 🤩 #RubyWorld
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@chacon
Scott Chacon
28 days
5 engineers trying to figure out how to leave a comment in Gerrit 😂
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@chris_mccord
Chris McCord
28 days
Here's a little writeup about how `mix fly_deploy.hot` works. It's just basic fly primitives + Erlang stdlib. Erlang just has all these ridiculous features sitting there https://t.co/EpRLCS8QN9
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community.fly.io
Today I published FlyDeploy, an Elixir package providing mix fly_deploy.hot for hot code upgrades of your Elixir and Phoenix applications. This allows you to deploy changes to your running apps...
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