Writing about development and technology.
Put everything in one `UserContext`? Bad move. Learn how a single update re-renders the entire app and how to optimize using Context Splitting and Selectors.
Your beautiful hero image killed the LCP score? Understand how `next/image` optimizes format (WebP/AVIF), resizing, and layouts. Deep dive into `sizes` prop and `blurDataURL`.
Implementing infinite scroll with scroll listeners kills performance. Learn how to refactor with Intersection Observer API to reduce CPU usage by 90%.
Confused by `<T>` in TypeScript? Learn Generics using the 'Transparent Sticker' analogy. Understand why it's safer than `any` and how to create flexible, reusable components.
Using 'as' to silence errors? It's lying to the compiler. Learn why Type Assertions cause runtime crashes and how to use Type Guards instead.
Installed the package, but Node still says 'Cannot find module'? Debugging strategies for package.json exports, file extensions, and monorepo linking issues.
Service is growing, but Supabase alerts 'Disk Full'? Understanding the real limits of the Free Tier and optimization tips to survive without upgrading.
Added a column to DB, but frontend TS still complains? Learn how 'supabase gen types' works and how to automate type sync in your CI/CD pipeline.
Team member changed the schema, and now `supabase db push` fails? Learn how to fix migration history mismatches using `migration repair`.
Works locally, fails on deploy? Learn the difference between Node.js and Edge Runtime. Fix import errors and configure Import Maps correctly.
Built a chat app, but Realtime subscription is silent? Check the 'Replication' setting. Learn why Postgres WAL is key to Supabase Realtime.
Table RLS is set, but file upload fails with 403? You forgot Storage RLS. Learn how to configure policies for `storage.objects` buckets.
User signed up, but no email arrived. Is it Supabase's fault? Learn why default SMTP fails and how to fix it using Resend or AWS SES.
Confused by auth.uid()? Learn how to correctly fetch the current user ID in Postgres functions, RLS policies, and Triggers. Deep dive into Security Definer.
Clicking a link opens the browser instead of your app? Master Android App Links (`assetlinks.json`), iOS Universal Links (`AASA`), and path handling with go_router.
Querying related data returns null? Fix common Foreign Key issues in Supabase and master the `select(*, related_table(*))` syntax. Deep dive into Many-to-Many and Inner Joins.
Data exists in DB but returns empty array in Flutter? It's RLS. Learn to write correct Row Level Security policies for SELECT, INSERT, and UPDATE.
Push works on Android but silent on iOS? Learn to fix APNs certificates, handle background messages, configure Notification Channels, and debug FCM integration errors.
App crashes only in Release mode? It's likely ProGuard/R8. Learn how to debug obfuscated stack traces, use `@Keep` annotations, and analyze `usage.txt`.
Why is my Hello World app 20MB? Learn to shrink your Flutter app size by optimizing images, removing unused resources, filtering ABIs, and using App Bundles.
