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Architecture

The fundamental structures of a software system.

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I stopped letting LLMs guess financial facts

I stopped letting LLMs guess financial facts

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5 min read
If There Are Four States, Why Not Write Four States?

If There Are Four States, Why Not Write Four States?

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3 min read
Putting an MCP server in front of a real product: four things I got wrong first

Putting an MCP server in front of a real product: four things I got wrong first

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4 min read
Designing HTML Page Caching Changed How I Think About Caching

Designing HTML Page Caching Changed How I Think About Caching

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4 min read
TypeScript Can Express Almost Anything. That's Part of the Problem.

TypeScript Can Express Almost Anything. That's Part of the Problem.

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3 min read
The Best Feeling Is When Ordinary Features Compose Into Something Bigger

The Best Feeling Is When Ordinary Features Compose Into Something Bigger

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3 min read
Domain-Driven Design: Modeling Software Around the Business

Domain-Driven Design: Modeling Software Around the Business

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23 min read
My container diagram had three boxes. The actual pipeline had seven hops.

My container diagram had three boxes. The actual pipeline had seven hops.

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4 min read
Idempotency and Retry in a Payment Core: Operations That Can't Be Duplicated and Can't Be Forgotten

Idempotency and Retry in a Payment Core: Operations That Can't Be Duplicated and Can't Be Forgotten

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3 min read
Why I shipped rules and statistics instead of an LLM for my health app

Why I shipped rules and statistics instead of an LLM for my health app

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4 min read
Your prompt is not a security boundary

Your prompt is not a security boundary

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4 min read
Streaming a desktop agent to your phone with zero npm dependencies

Streaming a desktop agent to your phone with zero npm dependencies

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2 min read
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5 min read
Remote-Controlling a Desktop Agent with Zero Dependencies: Under the Hood

Remote-Controlling a Desktop Agent with Zero Dependencies: Under the Hood

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3 min read
How I Handle Global Exception Handling in a Spring Boot Application

How I Handle Global Exception Handling in a Spring Boot Application

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5 min read
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