DO ENGINEERING · INSIGHTS
Practical lessons about software engineering, architecture, security, and AI—starting with the problem, then working toward the fundamentals and the engineering decision.
LATEST
MACHINE LEARNING → YOLO → ROBOTICS
An image. A prediction. An engineering decision.
COMPUTER VISION · PYTHON EXPERIMENT
Supervised and unsupervised learning, basic math, and robotics applications—with live Python webcam person detection.
By Dr. Tuan Do · 16 min read + experiment
Read and experimentPASSWORD AUTHENTICATION
From plaintext passwords and HTTPS to salts, Argon2id, and a real-world system migration. Learn why secure login works the way it does.
By Dr. Tuan Do
Read the article