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David Mello

Breaker of software, geek, meme enthusiast.

I blog about quality assurance and software testing, home automation, technology reviews, and home improvement.

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DIY Garage Door Insulation: Does EPS Foam Actually Work? (FLIR Proof)
Diy Home Upgrades

DIY Garage Door Insulation: Does EPS Foam Actually Work? (FLIR Proof)

Added a $138 EPS foam insulation kit to my Florida garage door and tested it with a FLIR thermal camera. Real before-and-after results, weight and spring considerations, and how it changed my mini-split's performance year-round.
AI in Test Automation: Real Limitations vs. User Error
Test Automation

AI in Test Automation: Real Limitations vs. User Error

Not every AI testing complaint is a real tool limitation. Some are skill gaps dressed up as criticism. This article goes through the most common ones and gives each a verdict — with practical mitigations for the ones that are legitimate.
DIY Solar Panel Ground Mount Installation: IntegraRack IR-15 Review (South Florida, 1 Year Later)
Solar

DIY Solar Panel Ground Mount Installation: IntegraRack IR-15 Review (South Florida, 1 Year Later)

Step-by-step DIY solar ground mount installation using the IntegraRack IR-15 and AnchorSpike system — no concrete pad required. Real-world review from South Florida one year later, including wiring in series, shading lessons learned, and hurricane prep.
DIY Solar AC Installation: Garage Mini Split Review (South Florida, 1 Year Later)
Solar

DIY Solar AC Installation: Garage Mini Split Review (South Florida, 1 Year Later)

Airspool mini-split solar AC review from a South Florida garage gym install. Full DIY solar AC installation guide, real performance data, financial payback math, and how it held up a year later.
Is ISTQB Worth It? A Hiring Manager's Honest Take
Software Testing

Is ISTQB Worth It? A Hiring Manager's Honest Take

After interviewing and evaluating over a hundred QA engineers, testers, and quality assurance professionals, here's what ISTQB certification actually signals — and what it doesn't.
Stop Writing API Tests Manually — Let Your OpenAPI Spec Do the Work
Test Automation

Stop Writing API Tests Manually — Let Your OpenAPI Spec Do the Work

Schemathesis automates API testing by generating test cases directly from your OpenAPI spec — covering edge cases, schema violations, and server errors you'd never think of or have the time to write manually.