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2026-04-25 csharp dotnet dotnet-11

How to use Channels instead of BlockingCollection in C#

System.Threading.Channels is the async-first replacement for BlockingCollection in .NET 11. This guide shows how to migrate, how to choose bounded vs unbounded, and how to handle backpressure, cancellation, and graceful shutdown without deadlocking.

2026-04-25 csharp dotnet dotnet-11

How to write a custom JsonConverter in System.Text.Json

A complete guide to writing custom JsonConverter<T> for System.Text.Json in .NET 11: when you actually need one, how to navigate Utf8JsonReader correctly, how to handle generics with JsonConverterFactory, and how to stay AOT-friendly.

2026-04-24 dotnet dotnet-10 ubuntu

.NET 10 on Ubuntu 26.04: resolute Container Tags and Native AOT in the Archive

Ubuntu 26.04 Resolute Raccoon ships with .NET 10 in the archive, introduces -resolute container tags to replace -noble, and packages Native AOT tooling via dotnet-sdk-aot-10.0.

2026-04-24 mcp ai-agents typescript

How to Build a Custom MCP Server in TypeScript That Wraps a CLI

Step-by-step guide to wrapping any command-line tool as a Model Context Protocol server using the TypeScript SDK 1.29. Covers the stdout trap, child_process patterns, error propagation, and a full working git server.

2026-04-24 dotnet dotnet-11 csharp

How to Generate Strongly Typed Client Code from an OpenAPI Spec in .NET 11

Use Kiota, Microsoft's official OpenAPI code generator, to produce a fluent, strongly typed C# client from any OpenAPI spec. Step-by-step: install, generate, wire into ASP.NET Core DI, and handle authentication.

2026-04-24 dotnet-11 csharp-14 performance

How to read a large CSV in .NET 11 without running out of memory

Stream a multi-gigabyte CSV in .NET 11 without OutOfMemoryException. File.ReadLines, CsvHelper, Sylvan, and Pipelines compared with code and measurements.

2026-04-24 aspnet-core dotnet dotnet-11

How to stream a file from an ASP.NET Core endpoint without buffering

Serve large files from ASP.NET Core 11 without loading them into memory. Three tiers: PhysicalFileResult for on-disk files, Results.Stream for arbitrary streams, and Response.BodyWriter for generated payloads -- with code for each.

2026-04-23 dotnet-11 ef-core-11 testing

EF Core 11 Preview 3 Adds RemoveDbContext for Clean Test Provider Swaps

EF Core 11 Preview 3 introduces RemoveDbContext, RemoveExtension, and a parameterless AddPooledDbContextFactory overload, removing the boilerplate around swapping providers in tests and centralizing pooled factory configuration.

2026-04-23 csharp dotnet dotnet-11

How to cancel a long-running Task in C# without deadlocking

Cooperative cancellation with CancellationToken, CancelAsync, Task.WaitAsync, and linked tokens in .NET 11. Plus the blocking patterns that turn a clean cancel into a deadlock.

2026-04-22 visual-studio azure mcp

Azure MCP Server Ships Inside Visual Studio 2022 17.14.30, No Extension Required

Visual Studio 2022 17.14.30 bundles the Azure MCP Server into the Azure development workload. Copilot Chat can hit 230+ Azure tools across 45 services without installing a thing.