Tutorials

Apple's Health Age feature combines VO2 max, HRV, sleep, and more to estimate biological age. Here's the science behind what it's actually measuring.

Next.js 16.3 cuts Turbopack memory by 90%, speeds CI builds 5.5×, and introduces Partial Prefetching for near-instant client navigations.

Leo de Moura discusses using Lean to prove AI agent correctness and how automated reasoning complements probabilistic AI models.

Publishing an AI policy isn't enough. Responsible adoption requires embedding controls into the workflows developers already use.

The 2026 State of CSS survey results are in, with CSS-Tricks ranking third among web platform resources. The 2026 State of Devs survey is now open.

Snowflake's Per-User Quota (Public Preview) lets admins set per-user credit limits for warehouses and AI services, with automated enforcement and monitoring.

A free collection of August 2026 desktop wallpapers created by designers worldwide, available in multiple resolutions with and without calendars.

AI may give designers more autonomy—or expose the gaps that autonomy makes harder to hide. Andy Budd examines both outcomes.

Wiring an Apple Shortcut to a REST API is easy. Automating that shortcut from code runs into four hard walls.

Learn how Power BI organizes data using fact tables, dimension tables, star and snowflake schemas, and the relationships that connect them.

A roundup of boundary-aware CSS, grid lanes accessibility, time-based web designs, full-bleed fixes, customizable select improvements, and 35 new web platform f

Build a Python workflow to test whether CEO stock purchases outperform similar no-purchase drawdowns using Form 4 filings and matched controls.