Tom on X: "Sonnet 4.6's Best Feature Is the One Nobody Noticed" / Twitter

Bookmarks
How We Improved Rails Response Times by 87%
We added Prometheus monitoring to Fast Retro and immediately spotted controllers with 200-400ms p95 latency. Here's how we traced them to N+1 queries and cut response times by up to 90%.
yabeda-rb/yabeda: Extendable framework for collecting and exporting metrics from your Ruby application
Extendable framework for collecting and exporting metrics from your Ruby application - yabeda-rb/yabeda
#43 Trailing commas - 365 Reasons to Love Ruby
Trailing commas are a fairly common feature in many programming languages, allowing developers to include a comma after the last item in a list, array, or ob...
React 19時代のコンポーネント設計ベストプラクティス
2026-02-18 React 19、コンポーネント設計どう変わった?〜うひょさんに聞く最新 実務Tips〜
How Codex is built
A deepdive into how OpenAI's Codex team builds its coding agent, how engineers use it, and what it could mean for the future of software engineering. Exclusive
君はIE11を覚えているか? 2010年代のHTML制作は何が大変だったか - ICS MEDIA
昔、InternetExplorerが制作時のサポート対象ブラウザとして求められた時代・・・。HTML/CSS/JavaScriptが他のブラウザと同じように表示されない、動作しない、といったことが頻繁にありました。
VisualJJ – Jujutsu in Visual Studio Code
Publish changes on GitHub in seconds. Effortlessly manage branches. Resolve conflicts with confidence.
smolBSD — build your own minimal BSD system
DataDog/pg_tracing: Distributed Tracing for PostgreSQL
Distributed Tracing for PostgreSQL. Contribute to DataDog/pg_tracing development by creating an account on GitHub.
Plinky – Easily Save Links | Enjoy Them Later
Do you save links but never revisit them? Plinky gives you one-tap saving from any app or browser, with folders + tags + search, reminders so you actually revisit what matters, and full customisation so it fits your link-workflow. (iPhone, iPad & Mac.)
Croissant
Croissant Update and Dexie
The one where I yolo dependency updates
AWS STS now supports validation of select identity provider specific claims from Google, GitHub, CircleCI and OCI - AWS
Discover more about what's new at AWS with AWS STS now supports validation of select identity provider specific claims from Google, GitHub, CircleCI and OCI
noctalia-dev/noctalia-shell: A sleek and minimal desktop shell thoughtfully crafted for Wayland.
A sleek and minimal desktop shell thoughtfully crafted for Wayland. - noctalia-dev/noctalia-shell
プログラミングは今が一番楽しい
Javaで始まり、WebRTC PF開発、マネジメント、そしてAIコーディングを経て、いま改めてプログラミングが一番楽しいと感じている理由を書きました。
もうプログラミングを楽しんでる場合じゃねぇ
ソフトウェアエンジニアリングの時代が来た
OpenClaw, OpenAI and the future | Peter Steinberger
I'm joining OpenAI to work on bringing agents to everyone. OpenClaw will move to a foundation and stay open and independent.
How Generative and Agentic AI Shift Concern from Technical Debt to Cognitive Debt
The term technical debt is often used to refer to the accumulation of design or implementation choices that later make the software harder and more costly to understand, modify, or extend over time...
AGENTS.mdを自動で育てる仕組みを作った
新規リポジトリをcloneしたら勝手にAGENTS.mdが生えてきて、プロジェクトと一緒に育っていく仕組みをgit hookで作った話
Rails Multi-Tenancy with Mike Dalessio
In this episode of RECORDABLES, we dig into our ambitious goal of moving from a commingled database to separate SQLite databases for every Fizzy customer. Le...
1Password's new benchmark teaches AI agents how not to get scammed | 1Password
AI agents are remarkably poor at avoiding threats. The SCAM benchmark puts AI agents in realistic scenarios, confronts them with common security threats, and uses a novel framework to help them improve.
You might not need role="presentation"
Steve Frenzel shares some sage advice on correctly using this role and value combination by showing questionable examples, followed by some better approaches. Spoiler: the better ones are the simple ones.
Vercel Flags
Use Vercel as your feature flag provider to create and manage flags, define targeting rules, and run experiments directly from the dashboard.
Vercel Flags is now in public beta - Vercel
Create and manage feature flags in the Vercel Dashboard with targeting rules, user segments, and environment controls. Works seamlessly with the Flags SDK for Next.js and Svelte.
delphitools
A collection of small, low stakes and low effort tools. No logins, no registration, no data collection.
Golangci-lint
Golangci-lint is a fast linters runner for Go It runs linters in parallel, uses caching, supports YAML configuration, integrates with all major IDEs, and includes over a hundred linters. Get Started Fast Runs linters in parallel, reuses Go build cache and caches analysis results.
jub0bs/cors: perhaps the best CORS middleware library for Go
perhaps the best CORS middleware library for Go. Contribute to jub0bs/cors development by creating an account on GitHub.
DataDog/pup: A Go-based command-line wrapper for easy interaction with Datadog APIs. Perfectly fit for an AI agent to use.
A Go-based command-line wrapper for easy interaction with Datadog APIs. Perfectly fit for an AI agent to use. - DataDog/pup
Postgres Locks Explained