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From 2-Hour Manual Regression to 4-Minute Playwright Automation for RAG Memory Tests—and 80% Fewer Misses

From 2-Hour Manual Regression to 4-Minute Playwright Automation for RAG Memory Tests—and 80% Fewer Misses

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5 min read
When Duplicate Code Is the Better Design

Reframing DRY as knowledge rather than code

When Duplicate Code Is the Better Design

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9 min read
The Javascript Bug that will never get fixed

The Javascript Bug that will never get fixed

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1 min read
How to Use Primitive Types in TypeScript: string, number, and boolean

How to Use Primitive Types in TypeScript: string, number, and boolean

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8 min read
AI-Native Development (2026): Lập Trình Bằng "Ngôn Ngữ Tự Nhiên" Sẽ Thay Thế Dev?

AI-Native Development (2026): Lập Trình Bằng "Ngôn Ngữ Tự Nhiên" Sẽ Thay Thế Dev?

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5 min read
Stop Writing Endpoints. Start Defining Systems.

Stop Writing Endpoints. Start Defining Systems.

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3 min read
What I learned building a software licensing system for desktop and offline apps

What I learned building a software licensing system for desktop and offline apps

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2 min read
AI Agents Don't Work. They Take Shifts.

AI Agents Don't Work. They Take Shifts.

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4 min read
Python Environments: The Complete Guide (venv, pyproject, tools, cleanup)

Python Environments: The Complete Guide (venv, pyproject, tools, cleanup)

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2 min read
Virtual Threads – adeus, `OutOfMemoryError`; olá, milhões de threads

Virtual Threads – adeus, `OutOfMemoryError`; olá, milhões de threads

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5 min read
What Developers Actually Feel About Their Jobs

What Developers Actually Feel About Their Jobs

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5 min read
How to Enable Strict Mode and Why You Should Always Use It

How to Enable Strict Mode and Why You Should Always Use It

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8 min read
Multi-Model LLM Routing: Why I Send 76% to Groq

Multi-Model LLM Routing: Why I Send 76% to Groq

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6 min read
Adding Voice to Your AI Bot: Speech-to-Text and Text-to-Speech with Gemini 3.1

Adding Voice to Your AI Bot: Speech-to-Text and Text-to-Speech with Gemini 3.1

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4 min read
How to Debug AI-Generated Code as a Beginner

How to Debug AI-Generated Code as a Beginner

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6 min read
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