The Healthy Scientist: Build Using AI With Healthy Habits 🌱

Pragmatic Principles for Software Engineers

Core software engineering principles for writing scalable, maintainable, and production-ready code inspired by the Pragmatic Programmer mindset.

Jun 22 • 🎡 Pierre-Henry™ 🌴

Write CLEAN, EFFICIENT, and SCALABLE JavaScript Code That Actually Lasts

Practical principles to structure JavaScript so it stays readable, maintainable, and ready for growth in real-world applications.

Jun 18 • 🎡 Pierre-Henry™ 🌴

Zero-Downtime Deployment & Canary Release

Mastering zero-downtime deployments with blue-green and canary strategies to ship changes safely, reduce risk, and keep production systems stable while…

Jun 12 • 🎡 Pierre-Henry™ 🌴

May 2026

The Quiet Habit That Builds Exceptional Data Scientists

Why Daily Practice Builds Clearer Thinking and Stronger Judgment

May 20 • 🎡 Pierre-Henry™ 🌴

January 2026

SOLID Principles Every Software Engineer Should Actually Understand

Why these five design rules will save you from maintenance hell and make your codebase something you’re actually proud of

Jan 14 • 🎡 Pierre-Henry™ 🌴

Software Engineer 2.0

In the AI era, a software engineer who codes exceptionally well is no longer defined only by clean and maintainable code.

Jan 5 • 🎡 Pierre-Henry™ 🌴

December 2025

JavaScript 's Top Advanced Principles

Just learning a technology/programming language doesn’t make sense in a long run. Learning to use it to solve something specific makes all its sense.

Dec 27, 2025 • 🎡 Pierre-Henry™ 🌴

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Data Mining: Why Clean, Reliable Data Matters More Than Anything

Why Clean Data Mining Beats Fancy Models Every Time

Dec 15, 2025 • 🎡 Pierre-Henry™ 🌴

Building Health Like Software: How I Rewired My Health, Incrementally and Sustainably (One Habit at a Time)

Simple habits that keep my mind clear, energy high, and body in shape while working full-time as a software engineer.

Dec 10, 2025 • 🎡 Pierre-Henry™ 🌴

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Regression and Classification: The Two Building Blocks of Data Science

Understanding the two fundamental ways we model data, predicting numbers and predicting categories, and why they still matter in today’s AI era

Dec 1, 2025 • 🎡 Pierre-Henry™ 🌴

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November 2025

My Proven Learning Philosophy I’ve Applied for Years

Today, I’m sharing my learning strategy, which I’ve used for the last decade, and the mistakes I’ve made along the way.

Nov 29, 2025 • 🎡 Pierre-Henry™ 🌴

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The Life of a Data Scientist

Working as a data scientist can be tough, challenging, draining, yet incredibly thrilling

Nov 14, 2025 • 🎡 Pierre-Henry™ 🌴