I've been trying to centre a div both horizontally and vertically for hours. I've tried margin: auto, text-align: center, and various other approaches but nothing seems to work consistently. What's the most reliable modern approach?
I'm building a user profile system where users can only have one profile. When they try to create a second profile, I want to update the existing one instead. How do I implement this upsert pattern with Drizzle ORM?
I'm starting a new Next.js project and trying to decide between SSR, SSG, and client-side rendering. What are the real-world trade-offs I should consider? When does SSR actually make sense?
I'm building an Express API and running into a strange issue. My res.json() and res.send() calls don't seem to send any response body, but the status code changes work fine. What could be causing this?
I'm new to web development and want to learn React. Should I start with plain React or jump straight into Next.js? I've heard Next.js is more opinionated but provides better structure. What do experienced developers recommend?
I'm trying to set up Tailwind CSS v4 in my Next.js project but the configuration seems different from v3. The @tailwind directives aren't working. What's the correct way to configure Tailwind v4 with the new @import syntax?
I understand basic TypeScript but generics confuse me. Can someone explain with practical examples when and why I'd use generics? I've seen code like <T extends Something> and have no idea what it means.
