Editor's note
I put together a deliberately mixed lineup today: practical Web API work, data-access tuning, and a few architecture pieces. The EF Core performance article and the .NET 9 benchmarking comparison are especially useful if you’re looking for real-world tradeoffs, not just patterns. I also liked the CUE + OpenAPI piece for its contract-first angle and the JWT/OAuth article for keeping API security grounded.
Web API, EF Core, CQRS and .NET 9 benchmarking
Jasen Fici
August 13, 2025
Hey code warriors, it's that time of the week when hump day feels more like debugging that last pesky error. But fear not—our .NET newsletter is packed with articles that will guide you through the quirkier corners of the framework. From lesser-known features that resemble retro gaming Easter eggs to tips that’ll make your code purr like a well-oiled classic car engine, today’s insights promise to add some zing to your routine. Dust off your favorite keyboard, and let's unravel the mysteries of .NET together!
Today's Articles
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Jasen's take on today's picks
Building an ASP.NET Web API Controller
A concrete controller walkthrough with SQL and header validation — useful if you like seeing API plumbing end to end.
⚡ CUE + OpenAPI: Declarative API Design for Scalable, Reliable .NET Services
A contract-first API piece that pairs CUE with OpenAPI; good fodder for teams trying to keep specs and code aligned.
A reminder that ApplicationDomain still comes up in legacy and plugin-style .NET discussions.
LINQ : Advanced Techniques Every .NET Developer Should Master in 2025
Solid LINQ refresher with more advanced patterns; best for people who want cleaner queries without sacrificing readability.
Dynamic Service Registration in .NET: A Clean Approach to Dependency Injection
Dynamic DI registration is one of those patterns that’s elegant until it isn’t — worth reading with your container setup in mind.
Multithreading in C# .NET Core: A Real-World Guide (With Code, Mistakes, and Clarity)
A practical threading guide that leans into the mistakes people actually make under load.
What are the Best Practices for EF Core Performance Optimization?
EF Core tuning always pays off, and this one focuses on the knobs that matter when queries get expensive.
Data Formats in .NET: What They Are and How They Look
A friendly intro to data formats in .NET, useful for newer devs or teams standardizing payload shapes.
How do I secure a .NET Web API (JWT, OAuth, Identity)?
JWT, OAuth, and Identity in one place: a sensible security roundup for anyone exposing an API.
Why .NET Full Stack Developers Are the Backbone of Enterprise Digital Transformation in 2025
A career/industry perspective rather than a how-to, but it does reflect how teams are staffing modern .NET work.
Trigger, Render, Deliver: Email Templates Made Easy with DotLiquid & EasyLaunchpad
Email templates with DotLiquid: niche, but handy if you’re wrestling with transactional messaging.
Top 10 .NET Development Companies of 2025: How to Choose the Right Partner
A vendor-style list, included as such; skim it for market context, not technical depth.
Practical CQRS and Event Sourcing with .NET 9
CQRS and event sourcing in .NET 9 with a practical bent — one of the stronger architecture reads here.
Why You Should Learn About EF Core AsSplitQuery
AsSplitQuery is the kind of EF Core detail that saves you from nasty joins and surprise performance cliffs.
Disabling thread safety check in Entity Framework
Disabling thread-safety checks is a sharp tool; the implications matter more than the shortcut.
How do I Migrate from .NET Framework to .NET 6/7/8?
A migration guide that should help teams moving off .NET Framework without losing their roadmap.
Asynchronous Programming in C# — Comparing it with multi threading
A useful side-by-side on async versus multithreading for people still untangling the concepts.
5 Modern C# Features That Will Make Your Code Feel Like Magic
Modern C# features in a compact format — a quick win if you want to update older code style.
How is .Net platform independent?
Cross-platform .NET explained for beginners; more introductory than most of the list.
MVC basics, which still matter if you’re onboarding into ASP.NET or maintaining older apps.
Performance Benchmarking: .NET 9 vs Previous Versions
Benchmarking .NET 9 against previous versions is always worth a look, especially if you’re planning an upgrade.