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「クラウドエージェントMeetup #1」の登壇資料です https://aid.connpass.com/event/409028/

⚡ Pi, the coding agent, compiled ahead of time to one native executable. 10× faster to start, 7× less CPU and 4.5× less memory than Pi on Node. Linux, macOS, Windows, ARM64 and Android (Termux). - ...

はじめに こんにちは、プレックスでサクミルの開発をしている石見です。 サクミルは、建設業向けのバーティカルSaaSです。バックエンドはRuby on RailsとGraphQL（graphql-ruby）、フロントエンドはNext.jsで開発しています。 本記事では、RailsとGraphQLをどのような考えで採用し、…

Git had too many performance problems at 30,000 PRs per day, so Anthropic built its own. I talked with the team, including asking why they didn’t open source its new system, ‘Scion.’

A Rails developer's field notes from eight months building a content-heavy platform in Next.js, covering the mental shift, the trade-offs and when to choose each framework.

I replaced this blog’s Python spell checker that took more than three minutes to run with the new rubocop-spellcheck.

I really enjoy learning new things in my free time. Lately I’ve been studying this book on Static Program Analysis. The book is very good, but some of the formulas are quite dense so I like to try writing them out in code. The chapter I’m currently reading (chapter 9) has a section on finding possibly-uninitialized variables using bipartite graphs. I’ve found it to be quite enjoyable, so in this post I would like to describe, in my own words, how to do it. We’ll start by analyzing some code from a toy programming language the book uses called “TIP”, and then we’ll use the techniques we developed to analyze some Ruby code.

Apple is blocking the compromised certificates automatically. Mac administrators can take optional steps for some command-line tools.

Purpose: Coding agents follow a project's instruction file, such as CLAUDE.md or AGENTS.md, even when it disagrees with the existing code and even when they notice the disagreement. We measure...

Why is PostgreSQL’s numeric type slow? Andrei Lepikhov traces four design decisions behind its cost and compares DuckDB’s DECIMAL to see what exactness takes.

A linearizable metadata log for Materialize, built on PostgreSQL READ COMMITTED isolation, with 3x write throughput and a Lean 4 proof.

I ran a experiment on my own Azure Database for PostgreSQL Flexible Server: deliberately bloat a table, build a monitoring job that would catch it, and then...

When you restore an Amazon RDS for PostgreSQL instance from a snapshot, the Amazon EBS volume hydrates lazily, so early queries can run 10x to 15x slower. This post walks through PostgreSQL-native prewarming techniques (pg_prewarm, VACUUM ANALYZE, and full table scans) and new monitoring fields to restore predictable performance faster after restore.

Same 5 million UUIDs, stored as uuid and as text. The text index was 88% bigger, one level deeper, and every lookup read one more page.

A powerful, scalable open-source document database solution built on PostgreSQL for modern applications.

Open-source Citus delivers millions of queries per second more efficiently than Neki, the only other published data point at this scale

eBPF profiler flamegraph based TUI 🐧🐝 . Contribute to rogercoll/eprofiler-tui development by creating an account on GitHub.

こんにちは，都内で UUID 芸人をやっている id:mimifuwacc です． UUIDv4の衝突が話題になっているので，いいねした人にUUIDv4を配ろうと思います— mimifuwacc (@mimifuwacc) March 23, 2026 ついに UUID を配り終えたので，良いタイミングということで U…

Contribute to Songmu/ghalet development by creating an account on GitHub.

https://github.com/Songmu/ghalet https://junkyard.song.mu/ghalet/ tl;dr: 単一のGoデーモンで、GitHub ActionsのSelf-hosted runnerをお手軽にスケールさせられるOSSを作ったのでぜひご利用下さい。ご自宅のM…

Vue Fes Japan 2026 における、プロダクト開発本部 クラウドサインProduct Engineering部 SWE 辻 佳佑 (a href="https://x.com/t0daaay"t0daaay/a) による登壇資料です。 【Vue Fes Japan 2026】 …

Introducing 1Password for Agents. Learn how 1Password helps supported personal AI agents sign in with your approval, without seeing your passwords or one-time codes.

On October 21, 2026 the PHP and Node.js projects released security updates addressing vulnerabilities that can allow remote code execution. We packaged the remediation workflow we used ourselves into Vulnerability Fixes, an open-source plugin for Devin and any coding agent: it identifies affected repositories, asks before changing anything, patches each deployment to a verified fixed version, tests before and after, and opens one focused PR per repo.

Style guides for Google-originated open-source projects

You can now use expiring, automatically refreshing OAuth credentials in GitHub CLI as part of a public preview. When you opt in, gh stores an expiring access token alongside a…

前回、AIによる「自動化攻撃」に経営者はどのような対応をすればいいのかという話を書きました。おかげさまで多くの反響をいただいて私自身びっくりしました。 そして、本日はセキュリティ会社の調査で今回の大規模攻撃のいくつかはオープンソースのARTEXが使われていたことが判明したとニュースでにぎわっていました。 すでに国内漏洩件数はこの2か月で日本の人口を超えた累計1.6億件以上といわれ、リクルートやソフトバンクといった大手企業がサービスを停止する事態に発展しています。 日本企業狙う不正アクセスにAI　攻撃者が自律型侵入テスト「ARTEX」を悪用　GMOイエラエ調査 相次ぐ不