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Partial, Required, Pick, Omit, Record, ReturnType, Awaited — you've seen them. Here's how they're actually used in production Next.js + Stripe + Supabase codeba

TypeScript catches type errors at compile time. Zod catches them at runtime — in API routes, environment variables, form data, and LLM outputs. Here are the pro

I migrated a real SaaS backend from Node 20 to Bun 1.x. Here's what actually changed in production: startup time, memory, compatibility gaps, and when it's not

I've shipped production apps with both. Here's the honest breakdown. The 30-Second...

Server Actions landed in Next.js 13, went stable in 14, and Next.js 15 made them worth using in...

tRPC v11 rewrites the App Router integration story. Here's the setup that actually works in 2026 — server components, mutations, streaming, and the patterns tha

Build a complete usage-based billing system using React Server Components, Stripe Meters, and Supabase. No client-side billing logic. No useEffect soup. Just se

Signature verification, idempotency keys, event deduplication, retry handling, and a webhook queuing pattern — all in Next.js App Router. The complete productio

Prisma's abstraction layer hides SQL from you until it becomes a liability. Drizzle stays close to the metal — SQL-first, TypeScript-native, zero runtime overhe

You don't need Kubernetes, message queues, or orchestration frameworks to run multiple AI agents. You need tmux and a shared file. Here's the setup running 13 a

No LangGraph. No CrewAI. No orchestration framework. Just Claude, tmux, and a shared markdown file. Here's the full 3-tier agent architecture running whoffagent

AppleScript for Mail takes 30 seconds to iterate 500 messages. The SQLite envelope index at ~/Library/Mail/V10/MailData/Envelope Index does the same query in 30

OAuth for Drive API, the Drive API Not Enabled gotcha, paginated file walking, and how to reconstruct folder paths from Google's flat file list. 50 lines of Pyt

ShadCN isn't a component library — it's a component generator. That distinction changes everything about how you build UIs. Here's how I actually use it in prod

tRPC v11 rewrites the App Router integration story. Here's the setup that actually works in 2026 — server components, mutations, streaming, and the patterns tha

Build a complete usage-based billing system using React Server Components, Stripe Meters, and Supabase. No client-side billing logic. No useEffect soup. Just se

Stop casting your way through AI agent configuration. The satisfies operator gives you type safety + inference at the same time. Here's how I use it across a pr

Skip the AI SDK abstractions. Here's how to wire Claude's streaming API directly into a Next.js 15 App Router route, with proper SSE handling, error recovery, a

The debate is heating up. "I still prefer MCP over skills" hit the top of Hacker News this week, and...

If your Obsidian graph looks like a scatter plot instead of a brain, the fix isn't more wiki-links between random notes — it's a small set of deliberate concept

If you're running multiple Claude Code background agents in parallel, you know the pain: you spawn 4 agents, close your terminal, and have no idea what they're

If you pay for Claude Max or Claude Pro, you can drive Claude programmatically from any Python script via the CLI subprocess — no separate API key, no duplicate

A small Python script that parses the official ChatGPT data export into topic-classified markdown files. The index surfaces patterns you don't see when you're s

Someone just posted on r/ClaudeAI: "Claude Code got my Meta Ads account permanently banned. Don't...