How to Build a High-Performance Cache Without External Libraries
Learn how to build a high-performance cache from scratch in .NET, moving from a simple ConcurrentDictionary to an optimized keyed-locking system. This...
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Page 5 of 22. Practical .NET and software architecture lessons.
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Server-Sent Events in ASP.NET Core and .NET 10
ASP.NET Core 10 introduces native Server-Sent Events as a lightweight, HTTP-native alternative to SignalR for simple one-way real-time updates like da...
The New .slnx Solution Format (migration guide)
See what changes in .slnx, how to convert your existing .sln, and what to watch out for in CI.
DbContext is Not Thread-Safe: Parallelizing EF Core Queries the Right Way
Learn how to safely parallelize EF Core queries to improve performance by using IDbContextFactory to create isolated contexts, avoiding the thread-saf...
Vertical Slice Architecture: Where Does the Shared Logic Live?
Deciding where shared logic lives is the most critical moment in Vertical Slice Architecture adoption, because choosing wrong reintroduces the couplin...
The False Comfort of the "Happy Path": Decoupling Your Services
Coupling isn't just about code structure; it's about failure boundaries. Discover how to ensure your critical business logic survives when external de...
Exploring C# File-based Apps in .NET 10
With .NET 10, Microsoft introduced file-based apps, which give you the ability to write C# code in a single .cs file and run it directly, without any ...
The Idempotent Consumer Pattern in .NET (And Why You Need It)
Distributed systems don't fail cleanly: they retry, duplicate, and occasionally fail. Here's how to design resilient message handlers in .NET with bro...
What's New in EF Core 10: LeftJoin and RightJoin Operators in LINQ
.NET 10 finally adds proper LeftJoin and RightJoin methods to LINQ, replacing the complex GroupJoin + DefaultIfEmpty pattern with clean, readable code...
The Interview Question That Changed How I Think About System Design
Discover how a simple interview question about report generation reveals the difference between optimizing code and designing scalable systems, and wh...
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