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Caching in Node.js: When In-Memory Beats Redis
Everyone reaches for Redis the second they hear the word cache. Half the time a plain object in memory is faster, simpler, and good enough. Here's how I decide, with the cases where each one wins.
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I Let Claude Code Review Its Own PRs for a Month and Here's What Happened
I made a rule: every PR I opened for a month got reviewed by Claude Code before a human saw it. Some of it was genuinely useful. Some of it was noise. Here's the honest breakdown.
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OneKey Classic 1S Review (vs Ledger) — My Honest Take After 7 Years
OneKey reached out after finding this blog and sent me a Classic 1S to test. I've been a Ledger user for years. Here's what actually surprised me.
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Streaming from Node.js to React with Server-Sent Events
WebSockets are overkill for most streaming use cases. Server-Sent Events give you the 80% solution with a tenth of the complexity. Here's how to wire it up in Node and React.
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The Claude Code Slash Commands I Can't Live Without
Slash commands are the part of Claude Code most people never set up. Here are the ones I use every day, how I wrote them, and why they beat retyping the same prompts over and over.
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I Built a Rate Limiter in Node.js and Here's What I Got Wrong
A rate limiter sounds like a 20-line problem. Then you ship it. Then it breaks in ways you didn't expect. Here's the naive version, the things I got wrong, and what I ended up with.
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React Server Components: What They Actually Change in Your Code
Forget the hype articles. Here's what actually changes in your day-to-day React code when you start using Server Components, with the mistakes I made so you don't have to.
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How I Use Claude Code Subagents to Parallelize My Work
One Claude Code session doing everything is slow. Splitting the work across subagents is what finally made me feel like I was moving at my own pace instead of waiting on a tool.
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Create a Crypto Subscription Service with Solana Pay
I built a subscription system that charges users in SOL or USDC on a recurring basis. No Stripe, no banks — just on-chain payments for access to premium content.
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The Claude Code Prompts I Use Every Day as a Developer
After months of using Claude Code daily, I've settled on a set of go-to prompts that consistently give great results. Here are the exact prompts and why they work.