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The fundamental structures of a software system.

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Opus 5.5 Made Cache Reads 60% Cheaper. I Redid the Math on My Text-to-SQL Architecture

Opus 5.5 Made Cache Reads 60% Cheaper. I Redid the Math on My Text-to-SQL Architecture

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5 min read
Vision Over Syntax: I Design the Entire Product in My Head Before the First Commit

Vision Over Syntax: I Design the Entire Product in My Head Before the First Commit

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4 min read
Five test tools, five dashboards, and nobody can say what happened

Five test tools, five dashboards, and nobody can say what happened

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5 min read
Harness Engineering: as 5 camadas do agent - memory, context, skills, agents e tools

Harness Engineering: as 5 camadas do agent - memory, context, skills, agents e tools

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11 min read
Keeping Services Loosely Coupled: A Practical Guide

Keeping Services Loosely Coupled: A Practical Guide

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3 min read
How I Would Structure a Node.js Backend on AWS: EC2 vs Lambda

How I Would Structure a Node.js Backend on AWS: EC2 vs Lambda

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4 min read
ERC-20 amounts are meaningless without the token's decimals

ERC-20 amounts are meaningless without the token's decimals

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6 min read
Stop Leaking Code: How to Refactor Offline with Local AI

Stop Leaking Code: How to Refactor Offline with Local AI

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2 min read
What Actually Breaks When You Sell Across Amazon, Etsy, and Your Own Store

What Actually Breaks When You Sell Across Amazon, Etsy, and Your Own Store

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4 min read
AI Integration Without the Hype: A Practical Framework for Adding ML to Systems That Already Work

AI Integration Without the Hype: A Practical Framework for Adding ML to Systems That Already Work

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4 min read
The 5-Layer Stack Behind Agents That Ship

The 5-Layer Stack Behind Agents That Ship

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3 min read
Subnet Calculation and Network Design: From Fundamentals to Practice

Subnet Calculation and Network Design: From Fundamentals to Practice

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7 min read
When Abstraction Becomes a Bottleneck: The Real Cost of Overengineering

When Abstraction Becomes a Bottleneck: The Real Cost of Overengineering

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9 min read
What the Model Context Protocol Actually Is (and Why It Became the Standard)

What the Model Context Protocol Actually Is (and Why It Became the Standard)

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3 min read
I Removed the Wake Word from AI — Here's What I Learned

I Removed the Wake Word from AI — Here's What I Learned

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2 min read
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