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Architecture

The fundamental structures of a software system.

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I deleted 9,191 lines of ad studio twelve days after writing about it, and four lines of .gitignore are all that is left

I deleted 9,191 lines of ad studio twelve days after writing about it, and four lines of .gitignore are all that is left

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6 min read
Idempotency Keys - The Double-Charge Trap

Idempotency Keys - The Double-Charge Trap

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15 min read
I wrote that nothing gets deleted on a classifier's word, and then deleted the quarantine instead

I wrote that nothing gets deleted on a classifier's word, and then deleted the quarantine instead

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4 min read
AsyncLocalStorage vs Scope.REQUEST in NestJS: Fixing a Multi-Tenant Data Leak Without Killing Performance

AsyncLocalStorage vs Scope.REQUEST in NestJS: Fixing a Multi-Tenant Data Leak Without Killing Performance

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4 min read
Mapping the E-Commerce Payment Flow Before Choosing PCI DSS SAQ A

Mapping the E-Commerce Payment Flow Before Choosing PCI DSS SAQ A

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2 min read
Why Autonomous Coding Agents Still Require Deterministic Scaffolding

Why Autonomous Coding Agents Still Require Deterministic Scaffolding

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2 min read
The library that appointed itself signal handler

The library that appointed itself signal handler

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5 min read
What Is an LLM Gateway? A Plain-English Guide

What Is an LLM Gateway? A Plain-English Guide

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3 min read
Soft Delete Is a Model Contract, Not a Repository Habit

Soft Delete Is a Model Contract, Not a Repository Habit

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4 min read
The Field Type You Pick in Ten Minutes Is a Ten-Year Decision

The Field Type You Pick in Ten Minutes Is a Ten-Year Decision

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6 min read
Multi-Tenant SaaS: Shared Database or One Per Tenant?

Multi-Tenant SaaS: Shared Database or One Per Tenant?

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6 min read
What Air-Gapped Medical Edge Systems Taught Me About Patient Adherence (And Why I Built a VR

What Air-Gapped Medical Edge Systems Taught Me About Patient Adherence (And Why I Built a VR

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3 min read
How Short-Video Apps Run on Low-End Feature Phones

How Short-Video Apps Run on Low-End Feature Phones

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5 min read
Can Feature Phones Have an App Store?

Can Feature Phones Have an App Store?

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4 min read
Stop Letting Your Group Bot Only Reply: Route Every Event to Its Own Agent

Stop Letting Your Group Bot Only Reply: Route Every Event to Its Own Agent

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6 min read
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