Editor's note
I pulled together a deliberately mixed issue this time: language features, API work, tooling, and a few practical ops topics. The C# 14 and System.Threading.Lock pieces stand out for folks tracking the language, while the Visual Studio git tags post is a nice reminder that small tooling improvements still matter.
C# language and API updates
Jasen Fici
April 09, 2025
Hump day is here, and while others might be losing steam, .NET enthusiasts are shifting into third gear. This Wednesday, we're cruising through a treasure trove of .NET wisdom, designed to turbocharge your projects with insights from the trenches. Whether you're debugging legacy code or pioneering the latest features, today's lineup is like finding a classic Corvette with a modern engine—familiar but packing a punch. Ready to fuel up your knowledge? Let's power through.
Today's Articles
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Jasen's take on today's picks
A clear walk-through of yield in C# for anyone who wants to make lazy iteration feel less magical and more useful.
Combatting Bot Attacks: Introducing NSCaptcha for Your .NET Applications
NSCaptcha is a practical security read for teams fighting bot abuse without overcomplicating the app.
Smarter Code with Built-in AI Support in C# 14
The C# 14 AI support post is interesting for how language and tooling are starting to meet in the same workflow.
Advanced APIs with ASP.NET Core: Middleware, EF Core, and Versioning
The ASP.NET Core API article covers the stuff people actually ship: middleware, EF Core, and versioning.
C# 13: Introducing System.Threading.Lock
System.Threading.Lock is a good reminder that even small runtime additions can reshape how we think about threading.
dotnet cross-platform interop with C via Environment.ProcessId system call
The cross-platform interop piece is a handy example of when low-level integration still matters in modern .NET.
SQL Optimization: Filter Data Before or During a JOIN?
The SQL join filtering article is the kind of tuning advice that can save you from a slow query and a bad assumption.
Automating News Publication with .NET: A Deep Dive into the AI News Automation System
The AI news automation write-up shows how much of the content pipeline can be automated once the pieces are wired together.
The Unity layout post is a nice out-of-band pick that broadens the issue beyond pure backend .NET work.
How to Handle File Operations in C#
File handling basics still deserve attention, especially when the difference between simple and robust code is in the details.
Visual Studio’s git tags support is a small but useful workflow improvement for day-to-day repository management.
Dependency Injection in .NET: Should You Use Built-in DI or Roll Your Own?
Built-in DI versus custom containers is a practical tradeoff article that will resonate with teams arguing over simplicity and control.
10 C# Syntax Rules Every Beginner Should Know
The beginner syntax rules piece is straightforward, but that’s exactly what newer C# developers often need.
C# [Experimental]: Prevent Breaking Changes Instantly!
Experimental language features are always worth a look when you care about avoiding future breaking changes.
Obsolete Design Patterns in .NET 9: What You No Longer Need to Code
The .NET 9 design-patterns article is useful because it challenges habits that may no longer earn their keep.
Top Libraries Every Fullstack .NET Developer Should Know (Before Reinventing the Wheel Again)
This one’s a reminder that library choices can save whole weeks of reimplementing common plumbing.
Mastering Delegates in C#: A Developer’s Guide to Best Practices
Delegates are still foundational C#, and a best-practices refresher never hurts.
Model Context Protocol in .NET 9: How to Implement and Why You Need It
MCP in .NET 9 is timely for anyone watching how apps will integrate with model-driven tooling.
Implementing Identity in .NET: A Step-by-Step Guide
Identity setup remains one of those basics that can be deceptively easy to get wrong.
I’d rather read 50 lines than Extract Method Refactoring
I like the anti-refactoring take here; sometimes a shorter local method beats abstracting away the readability.
More LinkedIn "Tips": Dragging your whole database into memory!
Dragging an entire database into memory is a cautionary tale worth reading before someone copies a bad pattern.
C# Ambient Transactions: What They Are and Why They Matter
Ambient transactions still matter whenever multiple operations need to succeed or fail together.
C# 14: Exploring New Language Features for Modern .NET Development
The C# 14 roundup is a useful scan for developers tracking what’s coming next.
15 Little-Known C# Array Tips That Will Supercharge Your Coding
Array tips are classic productivity content: modest tricks that can speed up everyday code.