Step-by-step guides with working code. Ship something by the end.
Three real attack patterns — reflected XSS, CSRF via hidden form, CORS misconfig — with vulnerable code you've shipped and the 3-line fix for each.
Three production CSS cascade layers patterns: design system order, third-party isolation, component namespace. No more specificity wars.
A senior dev's HTTP security headers guide: the 6 that matter, configs for Nginx, Express, Vercel, plus a 60-second pre-deploy audit.
ADA lawsuits up 27% and 95.9% of sites fail WCAG. The 5 accessibility fixes — with code — that cover most of what gets sites sued.
Replace Sass mix(), darken(), and $palette maps with the CSS color-mix function. Three production patterns with before/after code and one oklch gotcha.
Chrome shipped native JavaScript decorators in Jan 2025. Three @decorator patterns that retire your higher-order function boilerplate.
Stop animating from display:none with setTimeout hacks. CSS @starting-style is Baseline 2024 — three production patterns with before/after code.
Three CSS scroll-driven animation patterns that replace GSAP — progress bar, parallax reveal, staggered cards — with before/after code and 2 real gotchas.
Three production CSS if() patterns that replace media query repetition, custom property toggles, and data-attribute class soup. Before/after code.
TC39 Signals are advancing. The polyfill works today. What changes for React, Vue, and Solid devs — plus 3 patterns to try this weekend.