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Find those bugs before your users do! 🐛

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A green test suite proves less than you think

A green test suite proves less than you think

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5 min read
I built a readability test for my own compression format. It scored 0/24.

Column misalignment in compressed prompts

I built a readability test for my own compression format. It scored 0/24.

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5 min read
200 OK Is Not the Same as "It Works"

200 OK Is Not the Same as "It Works"

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5 min read
Mockyard Update: Real Addresses Are Here

Mockyard Update: Real Addresses Are Here

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2 min read
Date-counting bugs I test before shipping a deadline calculator

Date-counting bugs I test before shipping a deadline calculator

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1 min read
Python Data Validation Patterns for Production Systems

Python Data Validation Patterns for Production Systems

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4 min read
Recording product demos with Playwright and no human

Recording product demos with Playwright and no human

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6 min read
OpenAI-compatible gateway smoke test: verify the first API call before scaling

OpenAI-compatible gateway smoke test: verify the first API call before scaling

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1 min read
Emulators vs. Real Devices: Why Google Rejects Your Closed Testing Phase

Emulators vs. Real Devices: Why Google Rejects Your Closed Testing Phase

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4 min read
Five Comments That Redesigned My LLM Verification Pipeline

Five Comments That Redesigned My LLM Verification Pipeline

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21 min read
Engenharia de Prompts para Massa de Dados: Escalando Testes com Cobertura e Sem Duplicidade utilizando LLMs

Engenharia de Prompts para Massa de Dados: Escalando Testes com Cobertura e Sem Duplicidade utilizando LLMs

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5 min read
Production Monitoring: Drift, Regression & Alerting for Models

Production Monitoring: Drift, Regression & Alerting for Models

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10 min read
Stop Editing Config Files for Every Appium Run — Use Spring Profiles

Stop Editing Config Files for Every Appium Run — Use Spring Profiles

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1 min read
I couldn't test my VM sizing math without spinning up a real VM

I couldn't test my VM sizing math without spinning up a real VM

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4 min read
How I caught the voice-agent failures my eval dashboard kept missing

How I caught the voice-agent failures my eval dashboard kept missing

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5 min read
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