Practical C# and ASP.NET Core patterns from production experience — performance, architecture, and the traps in between.
Enable nullable reference types in an existing .NET project without drowning in warnings: a file-by-file migration strategy, annotations, and pitfalls.
Minimal API vs controller in ASP.NET Core: performance, filters, validation, testability and team fit — a senior engineer’s practical decision guide.
When to use a C# record vs class vs struct: value equality, immutability, allocation behavior, and a practical decision tree with real code examples.
LINQ performance best practices from production .NET: multiple enumeration, Count vs Any, allocation costs, and when a plain loop beats a query.
Diagnose and fix the EF Core N+1 query problem with Include, projections and split queries — plus how to catch lazy-loading traps before production.
Understand .NET DI service lifetimes — singleton, scoped, transient — and avoid captive dependencies, memory leaks and threading bugs in ASP.NET Core.
Learn the most common async await C# mistakes — async void, .Result deadlocks, missing ConfigureAwait and more — with fixes from production code.