C#
From language basics to LINQ, async/await, and the .NET ecosystem; modern features and best practices for production-ready apps.
Zip a Folder with Progress in .NET (WPF Example)
Create a ZIP from a folder in .NET while reporting progress to a WPF ProgressBar using ZipArchive and IProgress for smooth UI updates.
Standard API Response Wrapper in ASP.NET Core (Result)
Standardize success and error responses in ASP.NET Core using a Result
IP Rate Limiting in ASP.NET Core (.NET 8): Return 429 Too Many Requests
Limit requests per IP using .NET 8’s built-in rate limiting middleware and return 429 with Retry-After to protect your API from abuse.
ProblemDetails in ASP.NET Core: Clean Error Responses with TraceId
Map exceptions to RFC 7807 ProblemDetails and include a traceId so clients get consistent errors and you can match the exact request in logs.
Cleaner Pagination in ASP.NET Core Web API (Headers + Link)
Return only items in the body and move pagination metadata to headers. Add RFC 5988 Link header (next/prev) for clean, predictable API navigation.