ProblemDetails Error Handling: RFC 7807 in ASP.NET Core
RFC 7807 ProblemDetails for API errors: IExceptionHandler setup, custom error mapping, validation responses, and sensitive data handling.
Best Practices
Insights tagged with Best Practices
Concurrency Anti-Patterns: The Race Conditions That Ship
Race conditions, deadlocks, and thread-safety bugs that pass code review: shared state mutations, fire-and-forget hazards, and lock misuse.
Dependency Injection Anti-Patterns in ASP.NET Core
The 5 DI anti-patterns that pass code review: service locator, captive dependencies, over-injection, disposable transients, and lifetime mismatches.
Async/Await Pitfalls: The Deadlocks That Ship to Production
The Task.Result calls, missing ConfigureAwait, and async void patterns that cause production deadlocks in .NET applications.
Configuration Anti-Patterns: Secrets in Logs and Other Production Fires
The 6 configuration mistakes that cause production incidents: secrets in logs, missing validation, hardcoded values, environment leakage, and insecure defaults.
Resilience Anti-Patterns: The Missing Retries That Cause Outages
The 6 resilience mistakes that turn transient failures into outages: missing retries, retry storms, broken circuit breakers, no timeouts, and missing fallbacks.
Testing Anti-Patterns: The Flaky Tests That Cry Wolf
The 6 testing mistakes that erode confidence: flaky tests, missing integration coverage, poor isolation, test pollution, brittle assertions, and slow test suites.
Testing Strategies: xUnit vs NUnit vs MSTest Decision Framework
Framework selection criteria, integration testing with WebApplicationFactory, test isolation patterns, and async testing strategies for .NET applications.