Một trong những khía cạnh thường bị bỏ qua nhất khi xây dựng API là cách thức truyền tải lỗi. Một API được thiết kế tốt sẽ thông báo cho người dùng một cách hiệu quả khi có sự cố xảy ra. Các phản hồi lỗi nhất quán không chỉ là phương phá...
Lưu bởi: Huy Vũ
I wrote custom IDistributedCache extension methods - GetOrSetAsync, TryGetValue, SetAsync with generics - for every project that needed Redis caching. Dozens of lines of boilerplate that I copied from project to project. HybridCache made...
Lưu bởi: Huy Vũ
Logging is the first thing I set up in every new ASP.NET Core project - before the database, before authentication, before anything else. Without structured logging, you are flying blind in production. Debugging turns into grepping throu...
Lưu bởi: Huy Vũ
Minimal APIs are the recommended approach for building HTTP APIs in ASP.NET Core. Introduced in .NET 6 and significantly enhanced through each release, Minimal APIs in .NET 10 have matured into a production-ready framework with built-in ...
Lưu bởi: Huy Vũ
When working with HttpClient in ASP.NET Core, developers often fall into common traps that can lead to poor performance, resource exhaustion, and unreliable applications. These aren't just theoretical problems—they're the kind of issues ...
Lưu bởi: Huy Vũ
SQL Server’s Query Store is the closest thing the engine has to a flight data recorder. Before Query Store existed, when a query suddenly became slow there was often no evidence to work with. The execution plan that caused the problem wa...
Lưu bởi: Huy Vũ
A long time ago, I answered a question about NULL on Stack Exchange entitled, “Why shouldn’t we allow NULLs?” I have my share of pet peeves and passions, and the fear of NULLs is pretty high up on my list. A colleague recently said to me...
Lưu bởi: selectgo
Normally when we think about parameter sniffing, we think about a tiny data vs big data problem: the tiny data’s plan goes in first, and when we try to process big data, performance is terrible. But sometimes, it’s the exact opposite. I’...
Lưu bởi: Huy Vũ
SQL Server’s automatic statistics update feature is designed to keep the query optimizer’s cardinality estimates accurate as data changes. When it works, it is invisible. When it silently fails, the optimizer continues making execution p...
Lưu bởi: Huy Vũ
Let’s say you are implementing an online eCommerce shop checkout page and you have been told to implement a feature that will allow customers to choose one of the multiple shipping methods. Each shipping method can have different logics ...
Imagine that you are working on an existing application that sends notifications to other programs. The initial version of that application was only sending notifications by email but now you are asked to add some additional features in ...
Clean Architecture is introduced by Robert C. Martin (also known as Uncle Bob) in 2012 and it has gained popularity in recent years. The aim of clean architecture is to create maintainable, scalable, and flexible software systems. While ...
The singleton pattern is one of the most known and easiest design patterns in software engineering. In simple words, a singleton is a class which only allows a single instance of itself to be created. There are various different ways to ...
1 Why Configuration Is a First-Class Architecture Concern Configuration in ASP.NET Core has matured far beyond the simple appsettings.json file developers once sprinkled through projects. In production, configuration is a living, breathi...
Middleware is the backbone of any ASP.NET Core application. Every request that hits your API passes through a series of middleware components. Each one gets a chance to look at the request, do something with it, and either pass it on or ...
