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Or, getting a 100x speedup with one dumb line of code.

Go 1.26 includes a new implementation of go fix that can help you use more modern features of Go.

Code hosts like GitHub don't necessarily show the correct source of Go modules. pkg.geomys.dev is a new convenient viewer for module source.

A modal TUI for tracking home projects, maintenance schedules, appliances, and vendor quotes. - cpcloud/micasa

A terminal UI for tracking everything about your home. Single SQLite file. No cloud. No account. No subscriptions.

Discourse solved a five-year infrastructure headache by sponsoring psych-pure, a Ruby YAML library that preserves comments through programmatic edits - keeping years of hard-won institutional knowledge intact.

Magic files and where to find them: .gitignore, .gitattributes, .mailmap, .git-blame-ignore-revs, .lfsconfig, and more.

And what I tell my clients when they ask which framework to use for their Rails business.

Ruby & C implementation of Jaro-Winkler distance algorithm which supports UTF-8 string. - tonytonyjan/jaro_winkler

The strange edge case that triggered our assertions

If you’ve ever run an insert statement in a terminal or an IDE, you’ve seen it: the cryptic insert 0 1 message. While it looks like a bit of ancient binary, it’s actually a precise status report from the database engine. The Anatomy of a Command Tag 🔗In PostgreSQL, every successful command returns a “Command Tag.” For an insertion, the format is: INSERT [oid] [rows] The “0” (oid1): Historically, Postgres could assign an internal Object ID to every row.

PeerDB's Postgres to Postgres migration features enable teams to migrate their existing Postgres databases quickly and with minimal downtime.

Active Session History for PostgreSQL — wait event sampling with zero bloat (pg_cron + PGQ-style partition rotation) - NikolayS/pg_ash

A Language Server for Postgres. Contribute to supabase-community/postgres-language-server development by creating an account on GitHub.

A lot of the time in database land, our queries are I/O constrained. As such, performance work often involves reducing the number of page reads. Indexes are a prime example, but they don’t solve every issue (a couple of which we’ll now explore).

このエントリはTSKaigi Mashup Kansai 生成AIでTSを扱うときに考えたい設計&ガードレールでの発表内容です。登壇資料をブログとして読めるように再構成して公開しています。 はじめに 去年あたりは「ジュニアエンジニアレベルと思ってね」と公式各所から言われていたコーディングエージェントも、もはやそのレベル…

概要 Rails + PostgreSQL の既存構成に pgvector を追加して、ベクトル検索を検証してみた 外部 API や Python を使わず、Ruby だけで Embedding 生成から検索まで完結する ベクトル検索とは? テキスト、画像、音声などのデータを Embedding（埋め込み） により数値…

なぜ定例ミーティングが増えるのかを整理し、なくし方とコストを下げる方法をまとめました。

Super powered replacement for GNU Stow. Contribute to RaphGL/Tuckr development by creating an account on GitHub.

A case study on migrating from ActiveModel::Serializers to Alba, including real-world benchmarks and a custom caching solution.

Why Ruby's ||= operator can cause subtle bugs when memoizing boolean flags, and how to fix it.

How I replaced a find_or_create_by + lock + update_columns pattern with a single upsert call.

Synthetic monitoring engine with Playwright and Prometheus metrics - basecamp/upright

We’re open-sourcing Upright, the synthetic monitoring system we built to watch over Basecamp, HEY, Fizzy and our many other services.

Securing Ruby’s Competitive Edge as LLM Code Gets Useful

Gusto's custom Rubocop as Open Source Software

A terminal UI dashboard for Solid Queue. Contribute to Shivareddy-Aluri/solid-queue-tui development by creating an account on GitHub.

Write and ship modern custom RuboCop cops in 2026: learn the new plugin system, requires_gem API, InternalAffairs best practices, safe autocorrection nuances, and design trade-offs for building robust, future-proof lint rules.

Practical patterns for mocking in Go without external libraries. Learn to mock functions, methods, interfaces, HTTP calls, and time using only the standard library

An AI agent loop orchestrator that manages autonomous coding agents through intelligent task routing and continuous delivery.