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Architecture

The fundamental structures of a software system.

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AWS Context Explained: Architecture, Components, Open-Source Alternatives, and Use Cases

AWS Context Explained: Architecture, Components, Open-Source Alternatives, and Use Cases

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6 min read
The Checksum That Knows It's Prime: Reverse-Engineering China's USCC Validation

The Checksum That Knows It's Prime: Reverse-Engineering China's USCC Validation

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3 min read
Stop Overengineering Your Side Projects: A Practical Guide to App Architecture

Stop Overengineering Your Side Projects: A Practical Guide to App Architecture

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2 min read
Multi-campus inside a multi-tenant Laravel app: our reads were airtight, our writes were not

Multi-campus inside a multi-tenant Laravel app: our reads were airtight, our writes were not

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4 min read
System design for physical AI: a chip design record from spec to tapeout

System design for physical AI: a chip design record from spec to tapeout

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4 min read
VITI Special Report: How Erkki Laine Put AI Bots in a Straightjacket – and Why Not a Single One Escapes

VITI Special Report: How Erkki Laine Put AI Bots in a Straightjacket – and Why Not a Single One Escapes

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3 min read
HTTP API with API Gateway and Lambda in CDK

HTTP API with API Gateway and Lambda in CDK

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19 min read
A Recovery Branch That Keeps the Learner on the Same Step

A Recovery Branch That Keeps the Learner on the Same Step

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2 min read
The Dual-Layer Document Problem: How to Preserve Official Notary Stamps and Signatures in Word Without Sacrificing Text Editability

The Dual-Layer Document Problem: How to Preserve Official Notary Stamps and Signatures in Word Without Sacrificing Text Editability

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4 min read
Google Docs System Design: Real-Time Editing, OT, CRDT & Scale

Google Docs System Design: Real-Time Editing, OT, CRDT & Scale

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15 min read
I built a leaderless service-discovery system in Go. Here's what broke along the way

I built a leaderless service-discovery system in Go. Here's what broke along the way

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3 min read
What happens when you lose the machine that holds your website credentials? Sakupa's recovery design

What happens when you lose the machine that holds your website credentials? Sakupa's recovery design

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3 min read
AI Agent Fundamentals: Decision-Making Loops, Tools, and Agentic vs. Procedural Reasoning

AI Agent Fundamentals: Decision-Making Loops, Tools, and Agentic vs. Procedural Reasoning

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2 min read
Building CheckWarranty.info: Solving Multi-Brand Hardware Audits & As-Built BOM Decoding at Scale

Building CheckWarranty.info: Solving Multi-Brand Hardware Audits & As-Built BOM Decoding at Scale

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3 min read
Why EU B2B Checkouts Falsely Charge 17%-27% VAT When National VIES Databases Are Busy (The HTTP 200 OK Soft-Failure Trap)

Why EU B2B Checkouts Falsely Charge 17%-27% VAT When National VIES Databases Are Busy (The HTTP 200 OK Soft-Failure Trap)

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3 min read
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