Editor's note
I curated another intentionally mixed issue here: deep-dive code posts, architecture debate, and a few practical platform updates. The ASP.NET Core Identity cookie-reset piece and the new dotnet test/Microsoft.Testing.Platform article stand out because they solve real day-to-day pain.
LINQ, identity, and dotnet test updates
Jasen Fici
August 28, 2025
As the engine of your week cruises into high gear this Thursday, it’s time to fuel your .NET journey with a blend of innovation and expertise. Today’s edition offers a turbocharged selection of insights—crafted to keep your skills tuned and your projects surging forward. Whether you're tearing down old code or revving up something brand new, this collection promises to be the high-octane boost your .NET toolkit needs. Scroll onward and see why today could be the pit stop that takes your development game to the next level.
Today's Articles
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Jasen's take on today's picks
20 Real-Time LINQ Examples That Expose the Hidden Differences Between Query and Method Syntax
A practical look at LINQ syntax differences with real examples, useful if you want cleaner queries and a better feel for what the compiler is
Clean Architecture vs Vertical Slice — Which One Should You Use?
A sensible architecture comparison that helps teams weigh long-term maintainability against slice-oriented simplicity in modern .NET apps.
Thread Safety in .NET: Best Practices for Concurrency
Concurrency basics matter, and this thread-safety refresher is a good reminder before race conditions show up in production.
10 Elite C# AI Libraries Microsoft Uses in Production (But You Probably Don’t)
An AI-library roundup with a production angle, not just hype, which makes it more useful than the usual listicle.
Reset Cookies and force new sign-in using ASP.NET Core Identity
A focused ASP.NET Core Identity post that tackles cookie resets and forced re-sign-in, handy for real-world auth troubleshooting.
C# Complete Beginner Tutorial — Part 3
A beginner-friendly C# tutorial entry that keeps the learning path moving for newer developers.
A C# 14 conversation with Dustin Campbell is exactly the kind of forward-looking update experienced .NET folks should hear.
Boost Your EF Core Productivity in PostgreSQL With Entity Developer
A visual EF Core and PostgreSQL productivity angle that may save time if your team prefers model-first workflows.
Avoiding Overengineering: When NOT to Use a Design Pattern in .NET
A caution against overengineering that should resonate with anyone who has watched patterns get applied too early.
How Can You Optimize the Performance and Scalability of a Node.js Application?
A Node.js performance article in a .NET issue is an odd fit, but the scalability lessons are broadly applicable.
Essential Patterns for Modern ASP.NET Development : A Practical Deep Dive
A practical ASP.NET Core patterns deep dive that should be useful for teams cleaning up controllers and testability.
Creating Minimal API's quickly with ASP.NET Core
Minimal APIs continue to be a strong option for fast, focused services, and this article covers the basics well.
When To Use ToList() and ToArray()?
A concise LINQ comparison between ToList and ToArray that still matters when allocation and intent both count.
Five Essential Skills of .NET Developer
A broad set of developer skills framed as basics, though the value will depend on how far along you already are.
Database Indexing in .NET with EF Core — Boost Your Query Performance
Indexing guidance with EF Core and PostgreSQL is always worth a read when query times start creeping up.
A quick Aspire update and a .NET 10-era testing change round out the issue with platform news that affects day-to-day tooling.
The Ultimate C# String Concatination Cheat Sheet
A string concatenation cheat sheet is a good utility post for avoiding ugly, inefficient code in hot paths.
Enhance your CLI testing workflow with the new dotnet test
The new dotnet test integration with Microsoft.Testing.Platform is the most consequential tooling item here for command-line test workflows.