HTTP Testing, ASP.NET Security and AI Agents

Free Web Search for AI Agents: Scraping Bing with C# HttpClient (No API Key Needed)

Medium - Donma Hsu 當麻許

I’ve been working on my Web Agent lately and wanted to set up a free Web Search fallback.

Topics: C#

Configure Initial HTTP/2 Concurrency in .NET 11

C# Corner - Bhavya Singh

Learn how to configure SocketsHttpHandler.InitialHttp2MaxConcurrentStreams in .NET 11 to control initial HTTP/2 request concurrency before server settings arrive.

Topics: Performance

Make one monitor move/display different screens as we move mouse around different physical displays

Microsoft Tech Community - MSNoob101

I have a computer with two hookups from the same GPU to act as a dummy connection for steam link/steam remote play so it's the correct size since the base monitor is 32:9 and I need closer to 16:9 ...

3 Clean Ways to Dynamically Resolve Dependencies at Runtime in .NET

Medium - Satyam Pushkar

When building extensible applications, you often encounter situations where multiple concrete classes implement the exact same interface.

Topics: Design Patterns

Must-Know C# 15 and .NET 11 Features

Medium - Dmytro Korolov

A quick, no-fluff tour of the C# 15 and .NET 11 changes that actually matter in your day-to-day work.

Topics: C#

Visual Studio September Update Expands BYOM, Adds NuGet Fixes

Visual Studio Magazine

PENDING REVIEW: MICROSOFT ARTICLE UNRETRIEVABLE (BOT CHALLENGE RETRYABLE). Microsoft's September roundup highlights model choice, Copilot-assisted package fixes, pull request exploration and new debug...

Topics: GitHub Copilot Visual Studio

SharePoint Framework (SPFx) roadmap update – September 2026

Microsoft Dev Blogs - Vesa Juvonen

New Copilot UX components heading to Generally Available in October 2026, SPFx 1.24 Beta 5 is now available, React 18 support is coming in 1.24. Updates coming in Node.js support. The post SharePoint ...

Topics: GitHub Copilot

How to Mock External HTTP APIs in .NET Integration Tests

C# Corner

Learn how to mock external HTTP APIs in .NET integration tests with a custom HttpMessageHandler, including success, error, and not-found response scenarios.

Topics: REST API Unit Testing

How to Secure File Uploads in ASP.NET Core by Checking File Signatures

C# Corner

Learn how to secure ASP.NET Core file uploads by validating file signatures, enforcing size limits, and safely storing uploaded files.

Topics: ASP.NET Core Security

Blazor Hybrid in WPF — Build a Dark Dashboard With Live Charts and Zero Libraries

Medium - VectoArt

A step-by-step build of a modern dark dashboard inside a plain WPF window, using Microsoft’s free BlazorWebView control, CSS variables and…

Topics: Blazor WPF

OneDrive Basics

Microsoft Tech Community - JHSIII

I'm wondering if someone could help me determine what went wrong.  I have a new laptop ("New Laptop") and the goal was to migrate all my files (documents, pictures, etc) from the old laptop ("...

One way of thinking about access specifiers in C++/WinRT implementation types

Microsoft Dev Blogs - Raymond Chen

In C++/WinRT, Windows Runtime classes are exposed to the outside world through the projection, but internally they are represented by their implementation type. Since the outside world sees only the p...

Google Cloud Data Agent Kit: How to Let Coding Agents Work With Real Data

C# Corner - Riya Patel

How to build Power Automate flow using MCP Server with Github Copilot

C# Corner - Parthiv Suthar

Topics: GitHub Copilot

TypeSafe Jev .NET SDK 0.7.0: Experimental Images and Bounding Boxes

Laurent Kempé

In my first post about TypeSafe and Jev in .NET, I used the SDK to make structured judgments about text and J...

Topics: C#

DotNet: Version 11 Performance

Medium - Bill Musgrave

Annual Performance Analysis

Topics: Performance

How to Mock External HTTP APIs in .NET Integration Tests

C# Corner - Nidhi Sharma

Learn how to mock external HTTP APIs in ASP.NET Core integration tests by replacing HttpMessageHandler for typed HttpClient instances in WebApplicationFactory.

Topics: ASP.NET Core REST API Unit Testing

NGB Platform 3.0.0: Architecture, Performance, and Reliability

Medium - Ihor Perkovskyi

NGB Platform v3.0.0 is out.

Topics: Performance

How to Use CancellationToken in ASP.NET Core Without Leaving Work Running

C# Corner

Learn how to propagate CancellationToken through ASP.NET Core APIs, Entity Framework Core queries, and HTTP operations to stop work when requests are aborted.

Topics: ASP.NET Core EF Core

Testing Payment Retries Without Charging Customers Twice

C# Corner - Vivek Kumar

Learn how to test payment retry logic in C# using idempotency keys, explicit payment states, and simulated timeout scenarios to prevent duplicate charges.

Topics: C# Unit Testing

RAG in ASP.NET Core (.NET 10): A Chat API That Remembers

codewithmukesh

Build RAG in ASP.NET Core on .NET 10 with GoodMem: ingest docs, answer with citations, keep chat memory across restarts, and measure what a reranker adds.

Topics: ASP.NET Core .NET 10 Web API

Performance of n-gram filtering with PowerShell and C#

Medium - Tomas M

Background

Topics: C# Performance

How to Use Redis Distributed Locks Without Creating Stuck Locks

C# Corner

Learn how to implement safe Redis distributed locks in C# with StackExchange.Redis, unique ownership tokens, expirations, and atomic Lua-based release.

Topics: C# Redis

copilot/scout

Microsoft Tech Community - Nohart187

hey im new to the community and i just wanna say that im very excited about Microsoft new Copilot/scout. I just wanted to let ev...

The MCT Summit Dublin 2027 Name the official mascot

Microsoft Tech Community - frankfalvey

The MCT Summit Dublin 2027 team is looking for a name for our official mascot, an Irish sheep who'll represent the Microsoft Trainer community throughout the event. Submit your best idea and you co...