Editor's note
I put together another mixed bag today: cloud automation, performance tuning, tooling, and a few practical architecture pieces. The EF Core 9 performance article and the Roslyn analyzer walkthrough stood out because they go straight to code quality and runtime cost.
Azure, EF Core, and Roslyn
Jasen Fici
February 27, 2025
On this fabulous Thursday, picture yourself as a .NET mechanic, skillfully tuning the engine of your latest project, ready to rev up and hit the high-speed lane of innovation. This week's lineup is your toolset—robust, efficient, and crafted to tackle any coding hiccups with finesse. Let's hone your expertise and fuel your passion for seamless, high-performance solutions, ensuring that your software journey is anything but mundane. Buckle up, because today’s newsletter is set to turbocharge your development skills!
Today's Articles
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Jasen's take on today's picks
Automate Prompt Flow Creation in Amazon Bedrock Using .NET
Shows how to automate Bedrock prompt flows from .NET, which is a nice fit for teams wiring AI into existing services.
Create an anti-idle App for Microsoft Teams with .NET
A practical Teams anti-idle app with .NET—small problem, real-world usefulness, and very buildable.
StringBuilder vs StringConcatenation
A straightforward comparison that reminds us string handling still matters when you care about allocations.
Building the Future: Modern Web App Patterns with Azure
Modern Azure web app patterns are always worth a look, especially if you’re shaping new application foundations.
Multi-Tenant: Database Per Tenant or Shared?
A solid multi-tenant discussion that helps you choose between isolation and operational simplicity.
What is my favorite VS Code feature for C# development?
A VS Code feature pick for C# development is always useful if you live in the editor all day.
Entity Framework Core 9: Ultimate Performance Tuning & Best Practice
EF Core 9 tuning advice should save time for anyone chasing throughput or lower database overhead.
Announcing .NET Community Toolkit 8.4
The .NET Community Toolkit 8.4 release matters for apps leaning on MVVM and reusable helpers.
Custom function query support in JsonQuery.Net
Custom query functions for JsonQuery.Net open up some interesting JSON filtering scenarios.
Microsoft makes mistakes too. Let’s check MSBuild
A reminder that MSBuild has rough edges too, and sometimes the best fix starts with understanding the build itself.
How to Add a Context Menu to .NET MAUI ListView?
MAUI context menus are a practical UI detail that improves desktop-like mobile experiences.
C# .NET — Global Exception Handler with MediatR
Global exception handling with MediatR is a clean way to centralize cross-cutting behavior.
Roslyn analyzers are a strong tool when you want rules enforced by the compiler, not code review.
Practical Samples - Chat with Your Data (RAG)
RAG samples help show how chat-with-your-data flows come together in practice.
Mastering .NET Memory Management: A Deep Technical Dive with Best Practices
Memory management guidance is always worth reading when you need to reason about GC pressure.
Mastering Large-Scale Application Development with .NET & Angular — Part 1: Laying the Foundation
Large-scale .NET plus Angular architecture is a bigger-picture piece for teams building long-lived products.
IEnumerable vs IEnumerator in C#: One is 2x Faster - LinkedIn Edition
IEnumerable versus IEnumerator performance differences are a good reminder that abstractions have costs.
“Introduction to Middleware in API Development.”
Middleware basics are useful whether you’re new to ASP.NET Core or tightening an existing API pipeline.
How To Deploy .NET Application to Azure using Neon Postgres and .NET Aspire
Deploying .NET to Azure with Neon Postgres and Aspire is a modern stack combo worth watching.
When Not to Use async/await in .NET: Avoid These Common Pitfalls
The async/await pitfalls article is a good sanity check for avoiding unnecessary asynchrony.
Scheduling Background Jobs in ASP.NET Core Using Quartz.NET
Quartz.NET scheduling is still a dependable option for background jobs in ASP.NET Core.
The Guide to Dependency Injection in C#
Dependency injection fundamentals never really stop being relevant in C# codebases.
C# Spread Operator: Concise Code, Maximum Impact!
The spread operator piece is about expressive syntax, but readability still has to win.
C# 14: Null-conditional assignment
C# 14 null-conditional assignment is a small language addition that can reduce boilerplate significantly.