C# 14, validation, and ASP.NET logging
A varied .NET roundup covering collection optimization, VS Code 1.119, ASP.NET Core request logging, auth basics, and Web API CRUD with EF Core.
Part of: ASP.NET Core: a working guide for .NET developers, C#: a working guide for .NET developers, .NET Core: a working guide for .NET developers, EF Core: a working guide for .NET developers, Performance: a working guide for .NET developers
Jasen's top three picks
- 1 Common Challenges Developers Face with .NET Services and How to Solve Them
medium.com
A broad overview piece on common .NET service pain points that should be most useful to newer teams sorting out reliability and maintainability basics.
- 2 Greater Than or Equal (>=) in C#: Unlocking the Power of Comparison for Robust .NET Applications
medium.com
A beginner-friendly refresher on the >= operator that is simple by topic but still relevant when writing clear conditional logic.
- 3 From Allocation to Iteration: Optimizing Your Collections in .NET
medium.com
This is the most practical performance item here, focusing on collection sizing and iteration costs that quietly affect everyday .NET code.
Editor's note
I kept this issue deliberately mixed, which is how I like the newsletter best. The collection optimization piece is practical because small allocation and iteration choices still add up fast in real applications, and the ASP.NET Core logging article stands out for pairing request tracing with exception visibility. There’s also a useful compare-and-contrast on DataAnnotations versus FluentValidation instead of treating validation as a one-size-fits-all choice.
Today's articles
Common Challenges Developers Face with .NET Services and How to Solve Them
medium.com
The .NET ecosystem continues to power a wide range of modern applications, from enterprise systems to cloud-based platforms. Its…
Topics: .NET Core
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Greater Than or Equal (>=) in C#: Unlocking the Power of Comparison for Robust .NET Applications
medium.com
The >= operator may seem simple, but if you’ve spent any time in C# or .NET development, you’ve almost certainly relied on its logic…
Topics: C#
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From Allocation to Iteration: Optimizing Your Collections in .NET
medium.com
When working with collections in .NET, developers often overlook one of the most impactful optimization techniques: initializing a List<T>…
Topics: C# Performance
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Visual Studio Code 1.119
devblogs.microsoft.com
Learn what's new in Visual Studio Code 1.119 (Insiders) Read the full article
Topics: Visual Studio Code
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C# 14 Features Every .NET Developer Should Know in 2026
medium.com
The latest C# improvements that instantly make code cleaner, safer, and more modern
Topics: C#
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AsGuard: A Lightweight Request & Exception Logger for ASP.NET Core (With Built-in Dashboard
medium.com
Stop guessing what’s happening in your API — log, monitor, and debug requests in real time without external tools.
Topics: ASP.NET Core Serilog
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DataAnnotations or FluentValidation? Stop Picking One for Everything
serkanozbeykurucu.medium.com
I keep getting the same question from .NET developers: “Should I use FluentValidation or DataAnnotations?”
Topics: ASP.NET Core FluentValidation
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Authentication in .NET Core
c-sharpcorner.com
Authentication in .NET Core
Topics: Authentication .NET Core
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ASP.NET Web API CRUD Operations
news.google.com
ASP.NET Web API CRUD Operations - .NET8 And Entity Framework Core Tutorial (yY7pLCuHov)
Topics: .NET 8 EF Core Web API
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