Learn how to use Meziantou.Framework.JsonPath to evaluate RFC 9535 JSONPath expressions against System.Text.Json documents in .NET.

Learn how to implement XPath queries for custom non-XML types in .NET, enabling users to search complex object hierarchies with a simple query language.

Generate and review the public API of .NET libraries in pull requests to catch breaking changes before publishing a NuGet package.

Use the GitHub CLI to enable SHA pinning for GitHub Actions across all of your personal repositories.

This issue includes bits of AI, software development, C++, C#, diagnostics, architecture and of course .NET and .NET Internals.

Learn how to use _Imports.razor to set a default base component for all Razor components in a Blazor application without repeating @inherits in every file.

Learn why API responses should not be cached by default and how to implement middleware to prevent caching in ASP.NET Core applications.

Learn how to parse and evaluate CRON expressions and iCalendar recurrence rules in .NET with Meziantou.Framework.Scheduling.

Learn how to programmatically suppress Roslyn analyzer warnings using the DiagnosticSuppressor API.

This issue includes bits (or I would rather say bytes) of AI, bits of software development, operating systems, web, diagnostics, performance, C++, C#,  and of course .NET and .NET Internals.

A .NET implementation of the WHATWG URL Pattern API for flexible URL matching and routing with wildcards and parameter extraction.

Learn how to split .NET tests into deterministic CI shards to run in parallel and reduce pipeline feedback time.

Learn how to implement HTTP caching in .NET using Meziantou.Framework.Http.Caching to reduce latency and network traffic with RFC 7234 and 8246 compliance.

Turn GitHub Actions runs into HTML, Chromium, Speedscope, and OpenTelemetry traces to quickly find bottlenecks, slow steps, and flaky tests.

Learn how to enable per-directory case sensitivity on Windows using C# and P/Invoke. Create files with the same name but different case in the same folder.

Learn how to validate the syntax of PowerShell scripts embedded in GitHub Actions workflows using a custom PowerShell function.

Learn how to enable MSBuild property tracking to get detailed information about property changes in your build logs.

Learn how to retrieve the source file path and line number for any method at runtime using Portable PDBs in .NET.

In this post, I'll show you how to reduce the CPU usage of your self-hosted GitHub Actions runners by replacing the default busy-waiting sleep implementation with a more efficient one.

In this post, I describe how to read, set, and remove the Mark of the Web security feature in Windows using .NET.

Learn how to create custom MSBuild SDKs to enforce coding standards, add packages dynamically, and configure .NET projects consistently.

Discover how C# 14 extension members extend beyond instance methods to include properties and static methods, enabling more comprehensive polyfill libraries.

Learn how to use LazyInitializer.EnsureInitialized for thread-safe initialization in .NET as an alternative to Lazy<T> class.

Learn about the specific scenarios in .NET where Type.FullName returns null, including generic types with open parameters and function pointers.

Learn how to find an available network port in .NET using the Socket class. This is useful for server applications, testing, and development tools that need to bind to ports without conflicts.

In this post, I describe how to use Git's insteadOf configuration to automatically rewrite HTTPS URLs to SSH URLs for seamless authentication.

Learn how to batch migrate .sln solution files to the new .slnx format across multiple repositories using automated tools.

Learn how to use multiple loopback addresses beyond 127.0.0.1 for socket binding, allowing multiple services to run on the same port by using different addresses in the 127.0.0.0/8 range for testing and development.

Learn how to use Git worktree to manage multiple working directories from a single repository, enabling parallel development workflows.

Learn how to access Windows Known Folders like Downloads and Desktop using SHGetKnownFolderPath API in C# when Environment.GetFolderPath is insufficient.

Learn how to use Roslyn to analyze your .NET solution and identify public symbols that are only used internally and can be safely changed to internal.

Learn how to prevent your Windows app from being captured by screen recording and screenshot tools using SetWindowDisplayAffinity.

This post explains how to automatically rerun failed GitHub Actions workflows using the workflow_run event and specific conditions.

In this post, I describe how to automate the removal of the null-forgiving operator in C# projects using tools like Roslyn and MSBuildWorkspace.

Learn how to use C# 14 extensions to simplify enum parsing, making your code more consistent, intuitive, and easier to understand.

We built Leap, an opinionated, reliable CLI tool to distribute .NET Aspire to all Workleap developers.

In this post, I describe how to use snapshot testing to validate the schema generated by Entity Framework Core.

We have two open issues right now related to how tests run in parallel: #1986 #2055 As I work through what the options for parallelism should be, I'm thinking maybe trying to set up a strict list o...

In this post, I describe how to migrate from MSTest to xUnit using the Meziantou.MSTestToXunitAnalyzer Roslyn analyzer.

In this post, I describe how to use Roslyn as a library to analyze and rewrite code in a solution.

In this post, I describe how to create an HttpClient that automatically upgrade requests to https based on HSTS preload list and response header.

In this post, I explore how to use the CollectionsMarshal class to efficiently add or update key-value pairs in a Dictionary.

In this post, I describe how to read the USN Journal with .NET.

In this post, I describe how to easily generate a Software Bill of Materials (SBOM) for NuGet packages.

In this post, I describe how to use the binary log and MSBuild Structured Log Viewer to find the source of a .NET dependency.

NuGet packages simplify code sharing, but they come with significant risks. Many developers install these packages without reviewing their contents or verifying updates, potentially exposing their systems to malicious code. This article explores the various ways NuGet packages can compromise your security, from MSBuild props and Roslyn analyzers to typo squatting and unlisted packages. Learn how to protect your projects by understanding the potential threats and implementing best practices for package management.