Nnajmulhasaninnajmulhasan.hashnode.dev·2h ago · 5 min readSupabase Email OTP in Next.js: 6-Digit Codes Instead of Magic LinksMagic links are the default in Supabase email sign-in, and they break in exactly the places you don't test: in-app browsers, email clients that pre-fetch links, and mobile apps where the link opens yo00
BSBalwinder Singhinlearnanatomy3d.hashnode.dev·17h ago · 4 min readRendering a 2.9-million-triangle human body in the browser without freezing the pageI built LearnAnatomy3D (learnanatomy3d.com), a free 3D human anatomy atlas that runs in the browser: ~2,900 clickable structures across 11 body systems; male and female bodies; guided tours and qui11A
MSManoj Sethiinmanojsethi.hashnode.dev·16h ago · 12 min readYour rebuild will drop URLs. Google will tell you in six weeks.A rebuild changes how pages are made. The old addresses stop existing without anyone deciding they should, and Google notices before you do. Here is the check that proves no URL moved, the four things10
SSShanzy Saleeminshanzysaleem.hashnode.dev·18h ago · 7 min readJavaScript SEO: The Rendering Checklist I Run on Every Client SiteA few days ago Google updated its quality guidance again. On October 1, 2026, the "Creating helpful, reliable, people-first content" page got new language: Google's raters now judge main content on fo00
SSseven Secretinbeyondds.hashnode.dev·23h ago · 3 min readPrevent Double Bookings with PostgreSQL Exclusion ConstraintsA booking page can show a slot as free, then receive two confirmations for that staff member and time. The availability response is a snapshot. It helps the customer choose, but it cannot reserve capa00
Ttechpotionsintechpotions.hashnode.dev·1d ago · 7 min readBest Next.js UI Library: 8 Picks and Their Real CostsOriginally published at techpotions.com. Picking the best next js ui library isn’t about GitHub stars or slick landing pages—it’s about what the library does to your App Router bundle, how many 'use c00
EBElijah Browninelijahbrown.hashnode.dev·1d ago · 9 min readOne trial per inbox in Supabase, enforced by PostgresIf your Supabase app gives new accounts free credits, someone will eventually sign up as jane.doe@gmail.com, spend the credits, then come back as janedoe+2@gmail.com, then j.a.n.e.doe@googlemail.com. 11K
RRainyTechinrainytech.hashnode.dev·1d ago · 8 min readI Let OpenAI Codex Build My Website From One Prompt: 5 Minutes 23 Seconds, 12/12 ChecksI gave OpenAI's Codex one prompt, an empty folder and a hard 15-minute limit to build a real personal website for my YouTube channel. It finished in 5 minutes 23 seconds. Then I tested it properly: 1200
MOMohammed Obaidinmdobaid311.hashnode.dev·1d ago · 13 min readRoom booking app with Next.js and PrismaThe room booking tutorial ends with "check again on the server". This one builds that server. You get a Next.js App Router app where rooms and bookings live in Postgres through Prisma, the calendar is00
RRainyTechinrainytech.hashnode.dev·1d ago · 5 min readClaude Opus 5 Built a Full-Stack App From One Prompt: 64/64 Tests and 3 Invented Package VersionsInstead of reading benchmark charts, I gave Claude Opus 5 an empty folder and one prompt: build a full-stack app. I didn't write any of the application code. The result: a working project-management d00
