Build an ASP.NET Core IExceptionHandler that correlates safe 500 responses with server events, preserves inner exceptions, and survives recorder failure, verified on .NET 10.
Build readable C# audit summaries by detecting HashSet and navigation collections through IEnumerable, bounding output, and reproducing three checks on .NET 10.
Design ASP.NET Core delayed configuration gates with Pending state, optimistic concurrency, and atomic guards. Reproduce three .NET checks for safe application.
Protect C# enum numeric contracts from silent value drift. Check zero defaults, TryParse, and flags with a complete local verification lab.
Learn why .NET Exception.TargetSite can be null and verify GetBaseException, bare throw, and ExceptionDispatchInfo with a reproducible .NET 10 test.
Build cancellable, testable bounded concurrency in .NET 10 with SemaphoreSlim while diagnosing shared-resource waits, starvation, cleanup, and backpressure.
Learn how CurrentCulture, CurrentUICulture, ThaiBuddhistCalendar, and invariant parsing interact, with a reproducible .NET 10 culture-isolation test.
Build a verifiable EF Core migration workflow covering model-diff review, data preservation, local SQLite reproduction, and controlled delivery artifacts.