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- #terminal
- #productivity
- #cli
My 2026 Terminal Stack
The terminal tools, configs, and workflows I reach for every day after ten years of living in the command line.
writing
Notes
Long-form notes — mostly on Go, terminal tooling, and Unix ergonomics.
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·- #ai
- #security
- #sandboxing
Sandboxing Untrusted Code in the Age of AI Agents
LLMs write code and agents execute it, but most sandboxing is too heavy or too permissive. Constrained expression languages offer a middle path.
·- #go
- #tui
- #bubble tea
Two Years and Three TUIs Later: What Shipping Bubble Tea Apps Taught Me
What shipping three production Bubble Tea apps taught me about architecture, state machines, performance, and the surprises of real users.
·- #http
- #developer tools
- #api
.http Files Are the Best API Workflow You're Not Using
Plain-text .http files beat GUI API clients for versioning, code review, and CI. Here's the workflow that replaced Postman on my team.
·- #observability
- #prometheus
- #grafana
Self-Hosted Observability: Prometheus, Loki, and Grafana Without the SaaS Bill
Running Prometheus, VictoriaMetrics, Loki, and Grafana on your own boxes. What that SaaS invoice really buys, and what you can build yourself.
·- #parsers
- #language design
- #typescript
Write a Recursive-Descent Parser by Hand (Once)
A step-by-step guide to building a recursive-descent parser in TypeScript. Every engineer should hand-write one parser. It changes how you read code.
·- #distributed systems
- #backend
- #postgresql
Idempotency Is a Feature: Designing Fan-Out That Survives Retries
Exactly-once delivery is a myth. Here's how idempotency keys, advisory locks, and the outbox pattern make fan-out safe when retries are inevitable.
·- #xpr-lang
- #language design
- #testing
One Grammar, Three Runtimes: Keeping TypeScript, Python, and Go Byte-Identical
Making three runtimes produce identical output bytes sounds straightforward. War stories from xpr-lang's conformance suite across TS, Python, and Go.
·- #xpr-lang
- #language design
- #open source
Why I Built an Expression Language Nobody Asked For
The origin story of xpr-lang, a sandboxed expression language born from watching too many teams reinvent eval() for their data pipelines.
·- #python
- #sqlalchemy
- #fastapi
Async SQLAlchemy 2.0 in Production: What the Docs Don't Tell You
Hard-won lessons from running async SQLAlchemy 2.0 in production, from the MissingGreenlet panic to pool sizing math and the lazy loading trap.
·- #postgresql
- #full-text search
- #databases
Multilingual Full-Text Search in Postgres: No Elasticsearch Required
You probably don't need Elasticsearch. Postgres FTS with pg_trgm handles multilingual search across multiple locales at SaaS scale, with just SQL.
·- #ai
- #langgraph
- #langchain
Agentic Workflows Without the Hype: What LangGraph Is Actually Good For
What LangGraph actually solves in production, where it falls flat, and when you should skip the framework entirely and just write a function.
·- #ui/ux
- #productivity
- #computing history
The Evolution of Computer Shortcuts: From Terminal Commands to Touch Gestures
A journey through six decades of human-computer interaction design, from cryptic terminal commands to intuitive touch gestures, and what it teaches us about interface design.
·- #go
- #concurrency
- #performance
Beyond Goroutines: Advanced Concurrency Patterns in Go
Dive into advanced Go concurrency patterns beyond basic goroutines and channels, with practical examples and performance considerations for real-world applications.
·- #kubernetes
- #go
- #multi-tenancy
Building Multi-Tenant Kubernetes Deployments in Go
How to build a secure, scalable multi-tenant Kubernetes deployment service using Go, addressing isolation, resource management, and security challenges.
·- #unix
- #linux
- #cli
Supercharging Unix Search Commands with fzf: A Power User's Guide
Following up on our Unix search commands overview, learn how to combine fzf with grep, ripgrep, fd, and other tools to create an incredibly powerful command-line workflow.
·- #unix
- #linux
- #cli
The Art of Finding Needles in Unix Haystacks: Mastering Search Commands
A deep dive into powerful Unix search commands that will transform your workflow, from classic tools like find and grep to modern alternatives like fd and ripgrep.
·- #javascript
- #node.js
- #deno
JavaScript Runtime Showdown: Why Deno Lost the Node.js Throne
An exploration of the JavaScript runtime ecosystem, examining why Deno, despite its technical advantages and pedigree, failed to dethrone Node.js, and what this teaches us about developer...
·- #go
- #cli
- #tui
Building Delightful CLI Tools in Go with Bubble Tea
A practical guide to creating beautiful, interactive terminal applications in Go using the Bubble Tea framework, with step-by-step examples and best practices.