Coding

Pragmatic notes on developer tools, languages, and workflows. Shortcuts, tricks, and lessons from actually shipping code.

Seven robotic hands reach for a glowing key, three chained to vendor vaults, two holding open rings of swappable model keys, two on short routed leashes, beside a cost-balance scale

Best AI coding agents in 2026: cost, autonomy, and lock-in

Compare the seven best AI coding agents of 2026 on real cost per finished task and model lock-in: Claude Code, Codex CLI, Gemini CLI, and more.

Gleam for Erlang developers: type-safe language for the BEAM VM

Gleam brings statically-typed functional programming to the BEAM VM with Hindley-Milner inference, Erlang and Elixir interop, and JavaScript output.

Building a Language Server Protocol extension from scratch

Build an LSP server in TypeScript with autocomplete, diagnostics, and hover docs. Plugs straight into VS Code, Neovim, and other text editors.

Dagger CI pipelines: write your CI in Go or Python instead of YAML

Write CI/CD pipelines in Go, Python, or TypeScript with Dagger. Containerized, locally testable, type-checked, and portable across any CI provider.

NATS JetStream vs Kafka: simpler ops, sub-millisecond latency

NATS JetStream gives Python microservices durable streams, exactly-once delivery, and sub-millisecond latency. One small binary, no Kafka sprawl.

Defensive coding in Rust: error handling patterns that scale

Master Rust error handling with Result types, custom enums, thiserror, anyhow, miette, and color-eyre for robust scaling library and application code.