GitHub Copilot CLIは、gpt-5.2-codex xhighに複雑なレビューを依頼しても1回4円
How I estimate work as a staff software engineer
安全は基本、コスト削減はおまけ:AIサービスに独立したガードレールが必要な理由
はじめに:ガードレールとは?AIを安全に使用するためのさまざまな仕組みを総称して、一般的に「ガードレール(guardrails)」と呼びます。自動車の走行中、道路から外れたり対向車線にはみ出したりする...
なぜnoteは「PV至上主義」と戦うのか|深津 貴之 (fladdict)
オープン社内報です。 なぜ私たちが広告導入に慎重なのか、なぜPV(ページビュー)を最重要指標に置かないのというお話。 1. PVで収益が決まる設計は「歪み」を生む インターネットにおいて、広告は最も基本的なビジネスモデルです。 でも実は広告というモデルは、サービスにとっては依存症や中毒をもたらす、致命的な麻薬でもあります。 これは「PVが究極のKPI」となる設計は、人の心を歪めやすいためです。 クリックされれば勝ち、表示されれば儲かる。その構造を突き詰めると、行き着く先は、手段を選ばないアテンション(注目)の争奪戦となります。 争いやゴシップ タイトル詐欺(釣り
mizzy/carina
A functional infrastructure management tool written in Rust. Carina treats infrastructure changes as values (Effects) rather than immediately executing side effects, enabling safer and more predictable infrastructure management.
CarinaというTerraformライクなツールをつくりはじめた - Gosuke Miyashita
A fantastic blog that is fantastic.
SREが取り組むデプロイ高速化 ─ Docker Build時間を半分にした話 - inSmartBank
こんにちは。株式会社スマートバンク SRE部の capytan です。スマートバンク 新春エンジニア駅伝 2026 の十四区目の走者として頑張って走ります。十三区目は nissyi さんの Agent Client Protocol 入門 -エディタとAIエージェント連携の仕組みを体験する- でした。 本記事は、ゆるS…
304 Not Modified は JavaScript も速くする? - Repro Tech Blog
はじめに こんにちは、Repro Booster のプロダクトマネージャーの Edward Fox(@edwardkenfox)です。 HTTP 304 Not Modified というステータスコードをご存知でしょうか。ブラウザがキャッシュ済みのリソースを再検証する際、サーバーが「変更されていないのでキャッシュを使っ…
Replacing Protobuf with Rust to go 5 times faster
microsoft/playwright-cli: CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.
CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots. - microsoft/playwright-cli
Cognition | Devin Review: AI to Stop Slop
As code generation gets easier, code review is the new bottleneck. That's why we're launching a new way to quickly review and understand complex PRs in our latest tool for codebase understanding - augmenting human attention with AI.
Best Practices for Claude Code - Claude Code Docs
Tips and patterns for getting the most out of Claude Code, from configuring your environment to scaling across parallel sessions.
dnobori/DN_SuperBook_PDF_Converter: DN_SuperBook_PDF_Converter - スキャン書籍 PDF をデジタル書籍並みに大変クリアに読みやすくする AI PDF 高品質化・各種調整ツール
DN_SuperBook_PDF_Converter - スキャン書籍 PDF をデジタル書籍並みに大変クリアに読みやすくする AI PDF 高品質化・各種調整ツール - dnobori/DN_SuperBook_PDF_Converter
j9t/html-minifier-next: Super-configurable, well-tested, JavaScript-based HTML minifier (enhanced successor of HTML Minifier)
Super-configurable, well-tested, JavaScript-based HTML minifier (enhanced successor of HTML Minifier) - j9t/html-minifier-next
Inside Turbopack: Building Faster by Building Less
Learn how we built Turbopack with incremental computation to scale development and builds to massive Next.js applications.
Front-end testing at Preply: shifting left towards component testing
Co-authored by Lukasz Rados
The Agent Skills Directory
Discover and install skills for AI agents.
metaspartan/mactop: mactop - Apple Silicon Monitor Top
mactop - Apple Silicon Monitor Top. Contribute to metaspartan/mactop development by creating an account on GitHub.
Writing your first compiler
Build your first compiler with minimal, high-level, modern code. With only a few files of Go and C code, we can set up a workflow that dynamically fetches everything needed, including the LLVM library itself, and builds a portable compiler. This is a modern stack, it's reproducible, and you do not need to read dozens of pages to get started.
fotinakis/swagger-blocks: Define and serve live-updating Swagger JSON for Ruby apps.
Define and serve live-updating Swagger JSON for Ruby apps. - fotinakis/swagger-blocks
Unconventional PostgreSQL Optimizations
Creative ideas for speeding up queries in PostgreSQL
~kerrick/ratatui_ruby - 💎 Unofficial Ruby wrapper for Ratatui 👨🍳🐀. - sourcehut git
RatatuiRuby — Terminal UIs in Ruby
Terminal user interfaces in Ruby. RatatuiRuby wraps Rust's Ratatui—add spinners and menus to CLI scripts, or build full TUI applications.
GoodJob, Solid Queue, Sidekiq, Active Job, in 2026 | Island94.org
Building Smart Retry Strategies in Rails with Error-Aware Delays
Use the new retry_on error argument to build intelligent retry strategies that respect rate limits, handle transient failures, and fail fast on unrecoverable errors.
How Active Storage Variants Work to Transform Images in Rails
Image transformations let you show images in the size or format you need. You can create a new version by calling variant on an attachment and passing the desired transformations. When a browser requests that URL, Rails will process the original image on demand and redirect to the generated file.
POSSE Party - Quit social media by posting more
Take your feed and shove it in theirs
Telemetry | Rage.rb
Rage provides a built-in telemetry system that lets you observe and measure what's happening inside your application. Use it to integrate with monitoring platforms, track performance metrics, debug production issues, or build custom observability solutions.
How I Read A Pull Request
This describes the process I follow to review a pull request
The challenges of soft delete
Exploring alternatives to the archived_at column pattern: triggers, application events, and WAL-based change data capture.