Editor's note
I put together a deliberately mixed issue this time: AI-assisted editing in VS Code sits right alongside the everyday .NET work of caching, DI, and async code. The EF Core 10 production query piece and the cache stampede fix stood out because they speak directly to performance in real systems.
AI tools, .NET 10, and cache fixes
Jasen Fici
January 15, 2026
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Today's Articles
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Jasen's take on today's picks
AI Faceoff: Customized VS Code Commands
A practical look at replacing a broken VS Code workflow with AI-assisted commands and snippets.
Top 10 Errors Found in C# Projects in 2025
A good reminder that many performance bugs start as well-intentioned “optimizations.”
Twelve months of agentic AI code-assist
This one captures how agentic assistants are changing day-to-day development habits.
Hands On with New Experimental GitHub Copilot 'Agent Skills' in VS Code
Copilot Agent Skills looks like a serious step toward reusable editor automation.
Multi-Provider Feature Flags in .NET with OpenFeature
OpenFeature’s multi-provider setup is a useful pattern if you need feature flag flexibility.
Custom Validator in ASP.NET Core MVC (Beginner-Friendly)
A beginner-friendly MVC walkthrough that stays focused on custom validation basics.
Dependency Injection Made Simple: A Practical .NET Core Guide
A straightforward DI guide for developers who want the concept explained without ceremony.
.NET Concurrency, Parallelism and async/await
Clear explanations here can help untangle concurrency, parallelism, and async/await.
C# 14 and Clean Architecture: modeling expressive domains without boilerplate
A nice bridge between newer C# features and domain modeling discipline.
How We Fixed Our Cache Stampede Problem
Cache stampedes are painful; this is the kind of fix teams can apply immediately.
From Confusion to Clarity: My Journey Through C#, .NET, Azure DevOps, and Corporate Life
A personal career piece, but still relevant for anyone navigating C#, Azure, and the workplace.
My thoughts on Vibe Coding as a Senior .NET Engineer
A thoughtful take on vibe coding from a senior engineer’s point of view.
New in .NET 10 and C# 14: EF Core 10's Faster Production Queries
EF Core 10 performance improvements are the kind of release note worth reading closely.
Mastering Domain-Driven Design: A Tactical DDD Implementation
A tactical DDD post for teams trying to move beyond CRUD without overcomplicating the design.