Agent Framework, ASP.NET Core, and C#

BlogWriter Architecture Part 1

YapCast – Jesse Liberty

In a previous blog post I promised to take apart the BlogWriter architecture and implementation. I thought today I’d start with the architecture. The original design was to have 4 agents:* BlogWriter ...

Topics: C# Design Patterns

WinAppCLI v0.7.0 - Windows Sandbox automation, Native AOT support, single-file applications, and more

Microsoft Dev Blogs - Zachary Teutsch

Topics: Native AOT

What's the highest legal FILETIME ? Is it safe to use?

Microsoft Dev Blogs - Raymond Chen

A customer wanted to define a sentinel FILETIME that will be considered larger than another FILETIME. In other words, Compare­File­Time should always say that the sentinel value is later. What's a goo...

Topics: .NET Core

.NET + Foundry, better together

YouTube - dotnet

What can you build with .NET and Microsoft Foundry? Let’s find out together! Join us for a series of practical explorations featuring new SDK capabilities, cool projects, and the latest Foundry featur...

Topics: OpenAI

OOP Pillars in C#: What .NET Interviews Actually Ask

Medium - Anchalmehandiratta

Encapsulation, inheritance, polymorphism, abstraction — everyone can recite the four pillars, but interviews rarely stop at definitions…

Topics: C# Design Patterns

Running Microsoft Agent Framework Locally

YapCast – Jesse Liberty

Run a full Microsoft Agent Framework (MAF) agent entirely on-device to eliminate round trips to the cloud, reduce latency, avoid egress costs, and keep sensitive data private. With Foundry Local you c...

Topics: OpenAI

ChatClient v ResponsesClient in Microsoft Agent Framework

YapCast – Jesse Liberty

TL;DRUse the Responses client for new projects if you want the newest, richest hosted tools and structured outputs; use the Chat Completion client when you need maximum backward compatibility or are c...

Topics: OpenAI

RAG, Explained With Football: Let’s Build a Euro 2024 Assistant That Doesn’t Make Things Up

Medium - Alparslan Parlak

A friendly, step-by-step guide to Retrieval-Augmented Generation with .NET, Gemini and a CSV full of match stats

Topics: C# OpenAI

Code it with AI

Rockford Lhotka's Blog

For the past couple of months I’ve been co-hosting Code it with AI , a YouTube series with Carl Franklin (yes, that Carl, from .NET Rocks!). I haven’t mentioned it here yet, and that’s an oversight I ...

Topics: GitHub Copilot

Exception Handling in C#: What .NET Interviews Actually Ask

Medium - Anchalmehandiratta

Exception handling looks simple on the surface — try, catch, finally — but a handful of specific gotchas come up constantly in interviews…

Topics: C#

Interfaces in C# explained

Round The Code - David Grace

Learn how interfaces work in C#, covering contracts, polymorphism, multiple interfaces, default methods, access modifiers and static members.

Topics: C# Design Patterns

I benchmarked my .NET MCP server on Polly. It broke six ways.

Medium - Ahmed Mustafa

What an AI coding agent actually needs from a C# solution, and what changed once I measured instead of guessing.

Topics: Benchmarking C#

MonoGame + C# Procedural Animations!

Medium - Matt Perley

So I have been looking for more MonoGame based tutorials on this, a lot of them that still exist are really good, but to many XNA and…

Topics: C#

23 GoF Design Patterns — Part 2: Behavioral Patterns

Medium - Pavan pitthdiya

In [Part 1], we covered the first 12 GoF Design Patterns:

Topics: C# Design Patterns

How to Add JWT Authentication to SignalR Hubs in ASP.NET Core

Medium - Anton Martyniuk

SignalR makes real-time communication in .NET applications simple. Continue reading on CodeX »

Topics: Authentication JWT SignalR

CORS in ASP.NET Core (.NET 10) - Cross-Origin Done Right

codewithmukesh

Configure CORS in ASP.NET Core .NET 10. Preflight, named policies, the AllowAnyOrigin + AllowCredentials trap, 7 misconfigurations, and a production checklist.

Topics: ASP.NET Core .NET 10 Security

State, Memory, and the Two Camps Fighting Over What Your Agent Should Remember

Medium - Ali Süleyman TOPUZ

I built the same memory system twice, once for a project with three people and once for a codebase eleven teams touch, and I’m no longer…

Topics: OpenAI

Visual Studio Code CMake Tools 1.24

Microsoft Dev Blogs - Hannia Valera

CMake Tools 1.24 includes several reliability fixes and productivity improvements. You can run tests from the editor, save preset-backed cache edits as user overrides, and keep source-file lists up to...

Topics: Visual Studio Code

Making POST Requests Idempotent in .NET 8: Preventing Duplicate Requests in Distributed Systems

Medium - Adeboye Salisu

A practical look at how I used idempotency keys, EF Core and PostgreSQL unique constraints in Taskora to make retries safe under…

Topics: .NET 8 EF Core PostgreSQL

CancellationToken: The Parameter Everyone Adds but Nobody Wires Up

Medium - Suhasini Darade

It’s sitting in almost every async signature in your codebase. Most of the time, it’s doing nothing.

Topics: C# Performance