Tag
5 articles
You deployed, the database says the change is there, and the live page still shows the old content. Before you start debugging, send one request and read a single header. It will tell you which of two completely different problems you have.
An index is how reads survive scale; idempotency is how writes survive retries. What each one fixes, why composite column order decides everything, and the migration-history failure that showed both ideas meeting.
Move an ASP.NET MVC app to React or Next.js without forking the database or freezing the old site: the shared data layer, the EF migration trap, and the IIS deploy that silently does nothing.
Failing Core Web Vitals? The 2026 thresholds for LCP, INP and CLS, why most sites fail them, and the fixes a developer applies first - in the order that moves the numbers most.
EF Core projections, tagged output caching and batched writes - the seven changes that made a real Web API fast on a slow database link.
