Learn CSHARP with Real Code Examples
Updated Nov 17, 2025
Performance Notes
Use Span<T> for memory efficiency
Pool objects using ArrayPool
Use async/await for scalable I/O
Enable RyuJIT optimizations
Security Notes
Use ASP.NET Core Identity
Validate all user input
Implement JWT/OAuth
Use HTTPS and strong API validation
Monitoring Analytics
Application Insights
Prometheus/Grafana
Serilog logging
OpenTelemetry tracing
Code Quality
Use Roslyn analyzers
Clean Architecture guidelines
Use SonarQube
Write xUnit tests