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Architecture

The fundamental structures of a software system.

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The Shadow Ledger Pattern: How to Keep a Bank Live on FedNow During Core Maintenance Windows

The Shadow Ledger Pattern: How to Keep a Bank Live on FedNow During Core Maintenance Windows

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5 min read
The src/ Layout for Hexagonal PHP: Layers and Import Rules

The src/ Layout for Hexagonal PHP: Layers and Import Rules

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6 min read
React Design Patterns Senior Devs Actually Use (2026)

React Design Patterns Senior Devs Actually Use (2026)

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7 min read
The Hidden Cost of AI Agents: Tokens, Tools, Retries, and Latency

The Hidden Cost of AI Agents: Tokens, Tools, Retries, and Latency

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4 min read
Pragmatic AI Adoption: Choosing the Right Solution Before Choosing AI

Pragmatic AI Adoption: Choosing the Right Solution Before Choosing AI

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3 min read
9 AI Agents, 2 CPU Cores, One Gym: The 3-Layer Architecture

9 AI Agents, 2 CPU Cores, One Gym: The 3-Layer Architecture

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1 min read
Your AI Agent Doesn't Need More Tools. It Needs Fewer Decisions.

Your AI Agent Doesn't Need More Tools. It Needs Fewer Decisions.

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2 min read
命令模式深度指南:封装请求与解耦行为的艺术

命令模式深度指南:封装请求与解耦行为的艺术

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2 min read
Eli5: AI Agents are toddlers that need adult supervision!

Eli5: AI Agents are toddlers that need adult supervision!

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5 min read
RAG Without Vectors: How LLMs Are Learning to Navigate Documents Like Humans

RAG Without Vectors: How LLMs Are Learning to Navigate Documents Like Humans

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6 min read
Designing Active-Active Multi-Region for a Payment Gateway: An Architecture Decision Record

Designing Active-Active Multi-Region for a Payment Gateway: An Architecture Decision Record

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4 min read
How Turborepo Makes Large JavaScript Projects Fast

How Turborepo Makes Large JavaScript Projects Fast

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8 min read
Idempotent gateway sync: adopt on conflict, paginate for real, and never widen scope

Idempotent gateway sync: adopt on conflict, paginate for real, and never widen scope

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3 min read
Average latency is lying to you: Little's Law in production

Average latency is lying to you: Little's Law in production

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3 min read
Comments are not posts. My dashboard learned that the hard way.

Comments are not posts. My dashboard learned that the hard way.

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2 min read
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