Editor's note
I kept this one nicely mixed on purpose: practical API testing, a cluster of EF Core performance pieces, and several real-world AI app builds. The HttpClient production warning is the kind of lesson teams usually learn the hard way, and Anton’s take on EF Core in Clean Architecture is worth reading because it cuts through a lot of ceremony.
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Today's Articles
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Jasen's take on today's picks
How to Simplify ASP.NET Core API Testing
Useful if your test setup keeps sprawling; I like anything that reduces friction around ASP.NET Core integration testing.
Building a Vehicle Rental Management System in C# Using Entity Framework Core
More starter-app oriented, but still a decent walk through EF Core in a business-style console application.
Scalability in .NET Backend Systems: Design Decisions That Matter Before Infrastructure
A good reminder that scalability problems usually start in code and data access patterns before they start in Kubernetes.
Entity Framework Is Slow. It’s Not EF’s Fault.
The title is blunt, but the point is fair: EF usually exposes query and modeling mistakes rather than causing them.
Database Performance: Making Entity Framework Queries Faster
Compiled queries are worth revisiting if you have hot paths with repeated shapes and measurable EF overhead.
Human Resource Management System in ASP.NET Core MVC
This is a classic line-of-business sample with MVC, auth, and role separation; straightforward and practical.
How to Build AI-Powered Data Analyst Using Semantic Kernel and .NET
Interesting for teams exploring natural-language access over business data without building everything from scratch.
How to Build AI-Driven Engineering Assistant Portals with Blazor
Blazor plus AI assistant workflows is an appealing combo when you want internal portals rather than chat demos.
Your HttpClient Is Quietly Killing Production. You’ll Find Out at 2 A.M.
Still one of the easiest production mistakes to make in .NET; socket exhaustion never arrives at a convenient hour.
The Silent Database Killer: The N+1 Query Problem in EF Core
N+1 remains one of the most common EF Core performance traps, especially when navigation loading is left unchecked.
Implementing AI-Powered Data Classification Systems Using .NET
The security angle stands out here; classification is more compelling when it is tied to compliance and governance.
💻 Issue 519 - Evolving your C# types without migrating stored JSON
The stored JSON evolution angle is a sharp one if you have long-lived documents and changing C# models.
Building Event-Driven Communication in .NET Using RabbitMQ and MassTransit
A solid intro path into event-driven messaging with RabbitMQ and MassTransit in the .NET ecosystem.
EF Core in Clean Architecture the Pragmatic Way
I like the pragmatic framing here; using DbContext directly can be perfectly reasonable when the boundaries stay clear.
The required Keyword in C# — The Feature That Killed Null Reference Bugs
required is small, but it does help make object construction intent far more explicit.
Building AI-Powered Architecture Review Systems with .NET
Architecture review is a sensible AI use case because consistency and checklists are where these systems can shine.