https://remigiuszzalewski.com/blog Practical C#, .NET, ASP.NET Core and EF Core tutorials with code examples and video walkthroughs, from authentication and databases to Azure deployment and AI tools. en-us remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) Fri, 24 Nov 2023 00:00:00 GMT https://remigiuszzalewski.com/blog/api-versioning-aspnet-core https://remigiuszzalewski.com/blog/api-versioning-aspnet-core The moment an API has more than one consumer, changing a response shape becomes a breaking change for someone. URL-segment, query-string, and header-based versioning with Asp.Versioning.Http, and which one to actually pick. Fri, 24 Nov 2023 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpaspnetcoreapi-versioningrestweb-api https://remigiuszzalewski.com/blog/how-to-setup-cors-dotnet-web-api https://remigiuszzalewski.com/blog/how-to-setup-cors-dotnet-web-api A browser blocking your own API call isn't a bug in your code - it's CORS doing its job. Configuring named CORS policies correctly in ASP.NET Core, and why AllowAnyOrigin quietly breaks the moment you also need cookies or credentials. Tue, 28 May 2024 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpcorsaspnetcoreweb-apisecurity https://remigiuszzalewski.com/blog/memory-cache-in-dotnet https://remigiuszzalewski.com/blog/memory-cache-in-dotnet Slow external API calls and database queries are usually your bottleneck. Cache them with IMemoryCache - cache keys, absolute vs. sliding expiration, and a real example that drops a Commodities API call from seconds to a few milliseconds. Wed, 16 Nov 2022 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpcachingperformanceimemorycacheweb-api https://remigiuszzalewski.com/blog/pagination-dotnet-react https://remigiuszzalewski.com/blog/pagination-dotnet-react Returning every row and letting the client slice it up doesn't survive real data volume. Server-side pagination in a .NET 8 Minimal API - Skip/Take, pagination metadata in a response header, and a React Pagination component wired to it. Sat, 17 Feb 2024 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpreacttypescriptpaginationentity-frameworkweb-api