dein.fr - Charles-Axel Dein Charles-Axel Dein's personal website.

When should a manager step in?

Significance > Success Everyone wants to be successful.

Significance > Success · Collaborative Fund

Thoughts on OpenAI acquiring Astral and uv/ruff/ty The big news this morning: Astral to join OpenAI (on the Astral blog) and OpenAI to acquire Astral (the OpenAI announcement). Astral are the company behind uv, ruff, and ty—three …

Thoughts on OpenAI acquiring Astral and uv/ruff/ty

Matching capabilities to applications: a strategy framework - Vaughn Tan tl;dr: When you’re matching capabilities to applications — AI tools to roles, research teams to industry sectors, platforms to use cases — the

Matching capabilities to applications: a strategy framework - Vaughn Tan

Proxying fetch requests in server-side JavaScript - Human Who Codes Learn how to proxy fetch() requests in Node.js, Deno, Bun, and Cloudflare Workers to better monitor and control your server-side traffic.

Proxying fetch requests in server-side JavaScript - Human Who Codes

How We Do Code Reviews at Cloud Four If your team members dread the notification that they’ve been added as a reviewer on a pull request, I think the following guidelines can help.

How We Do Code Reviews at Cloud Four

The engineeringification of everything Why every role seems like an engineering role now (and what it means for you)

The engineeringification of everything - by Ian Vanagas

The Big LLM Architecture Comparison From DeepSeek-V3 to Kimi K2: A Look At Modern LLM Architecture Design

The Big LLM Architecture Comparison

Are AI productivity gains fueled by delivery pressure? | Ruslan Osipov

Typographic Scales in CSS with :heading(), sibling-index(), and pow() Learn how to build flexible, mathematical typographic scales using :heading(), sibling-index(), and pow() for cleaner CSS design systems.

Typographic Scales in CSS with :heading(), sibling-index(), and pow() | Always Twisted

Building Bulletproof React Components - Shu Ding The real test isn’t whether your component works on your current page. It’s whether it works when someone else uses it.

Building Bulletproof React Components

Is the FDE role becoming less desirable? Job postings for Forward Deployed Engineers (FDEs) have surged, but many professionals don’t want the role because it’s more like solutions engineering than software development.

Is the FDE role becoming less desirable? - The Pragmatic Engineer

Scale Is a Tactic, Not a Virtue I’ve been thinking about scale the same way I’ve been thinking about speed: as something Silicon Valley treats like a moral good when it’s actually just a strategic choice. The in…

Scale Is a Tactic, Not a Virtue – Eleganthack

Speed Is a Tactic, Not a Virtue I was reading a post on Anthropic’s blog about AI product management, and the author talked about speed as if it’s a virtue. She never said why speed was supposed to be a good thing. Sh…

Speed Is a Tactic, Not a Virtue – Eleganthack

Can I give you some feedback on your feedback? — Daniel Stillman You, me, and everyone we know could get better at the art of giving feedback. The debate about feedback at work - how to do it, how not to do it - is ongoing. The jury may still be out, but there’s...

Can I give you some feedback on your feedback? — Daniel Stillman

TBM 408: Basic Links (I used to do more of these visual build posts.

TBM 408: Basic Links - by John Cutler - The Beautiful Mess

Good Design is Good Will Paul Rand, org designer. I also especially like how the essay's title hints at *willfulness* and the last line points at an economic outcome. #nice

Good Design is Good Will

Strategic choices: When both options are good Real strategy means choosing between two good options and accepting all the consequences--even the painful ones you don't like.

Strategic choices: When both options are good

Modal vs. Separate Page: UX Decision Tree — Smashing Magazine How to choose between modals and pages, when to avoid modals, and how to determine the right level of interruption or navigation. Brought to you by Smart Interface Design Patterns, a **friendly video...

Modal vs. Separate Page: UX Decision Tree — Smashing Magazine

Every layer of review makes you 10x slower - apenwarr

Effective harnesses for long-running agents Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Effective harnesses for long-running agents Anthropic

Junior Developers in the Age of AI Companies are ditching junior engineers en masse. They'll tell you it's because AI writes better code. They’re right...but also missing the point.

Junior Developers in the Age of AI - by Christine Miao

State of UX in 2026 UX faced instability from layoffs, hiring freezes, and AI hype; now, the field is stabilizing, but differentiation and business impact are vital.

State of UX in 2026 - NN/G

How Future Designers Will Win in the Age of AI — Suff Syed In Part 4 of The Future of Design Series we reveal three paths to sovereignty for designers in the AI era: Brand Sovereignty (scaling creative work independently), Product Sovereignty (building AI-native...

How Future Designers Will Win in the Age of AI — Suff Syed

Claude Code Swarms Claude Code now supports agent teams - coordinated swarms of AI agents that research, debug, and build in parallel. What was feature-flagged is now real. H...

AddyOsmani.com - Claude Code Swarms

How to write a good spec for AI agents Learn how to write effective specifications for AI coding agents to improve clarity, focus, and productivity in your AI-driven development workflows.

AddyOsmani.com - How to write a good spec for AI agents

11 Tips For AI Coding With Ralph Wiggum Run AI coding tools in autonomous loops with Ralph Wiggum. 11 tips for AFK coding: scope, progress tracking, feedback loops, and shipping code while you sleep.

11 Tips For AI Coding With Ralph Wiggum

TBM 386: Understanding Enabling Constraints Using Shape Up (Basecamp) After reviewing dozens (hundreds?) of operating systems in depth, I’m becoming increasingly convinced that the thoughtful design and deployment of constraints is a superpower.

TBM 386: Understanding Enabling Constraints Using Shape Up (Basecamp)

How to make sure a designer never files a bug again – Unsung A blog about software craft and quality

How to make sure a designer never files a bug again – Unsung

WebMCP – a much needed way to make agents play with rather than against the web | Christian Heilmann