I Built a Portable AI Skill That Safely Upgrades .NET Applications
I Built a Portable AI Skill That Safely Upgrades .NET Applications AI coding assistants have become incredibly good at writing code. But I kept runnin…
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C# Crash Course for Beginners
Hey everyone, I'm excited to share my brand-new C# Crash Course for Beginners on YouTube! 🎉 For those of you who are new here, I'm Amir, a software de…
Shared UI Means Shared Contracts, Not Shared Hosts
A component can compile in a shared assembly and still be impossible to construct in one of the applications that renders it. That is easy to miss whe…
I Built a Free .NET AppSettings Generator
If you've started multiple .NET projects, you've probably written the same appsettings.json file over and over again. It usually begins with the basic…
I ported a knowledge-format (OKF) library to zero-dependency .NET — here's what I learned
If you can cat a file, you can read the knowledge base. If you can git clone a repo, you can ship it. No vector database to stand up, no proprietary e…
RockPlayer: Building a Modern Music Player with Angular, ASP.NET Core, Redis, and YouTube
Hello everyone! After publishing my Machine Learning with ML.NET series, I decided to turn the recommendation model into a complete application. In th…
When the disk fills up: pressure and tenant isolation in Squirix preview.7
In my preview.6 article , I wrote about what happens after a write is accepted: binary WAL frames, group commit, crash recovery, and durable retries. …
Single-file INI editor for .NET that preserves formatting by editing the original text
I wrote a single-file INI parser/editor for .NET that preserves formatting using regex instead of dictionaries with JSON support. I've been experiment…
Designing for the Surge: The Real-World Cost of Separating Reads and Writes
At seven o'clock every Monday morning, thousands of workers on active heavy construction sites log into their mobile devices to complete mandatory equ…
Getting Started with Twinify: A Free, Open-Source Object Mapper for Modern .NET
Lightweight. Familiar. MIT Licensed. Built for .NET 8, 9, and 10. Following AutoMapper's recent licensing changes, many .NET developers have started l…
Multi-tenant SaaS on a .NET workflow engine, without restarting to onboard a customer
The most expensive restart in SaaS is often the one nobody planned: onboarding a new customer. Every SaaS team expects adding a tenant to be a databas…
From Enterprise Procurement Systems to Building Browser-Based Developer Tools
Over the last 14+ years, I've been working with the Microsoft technology stack, designing and delivering enterprise applications for procurement, inve…
Realtime Is a Hint, Not Your Source of Truth
A notification badge looks like a small feature. In a distributed application, it can expose a large architectural assumption. I recently investigated…
What happens after a write? Reworking Squirix's WAL in preview.6
In my first Squirix article , I wrote about why Squirix keeps a strict boundary between the client and the server. Applications use a typed client ove…
Fuse v4.2, an open source MCP/CLI tool to speed up Claude Code on C# codebases
Fuse 4.2 is an open source .NET global tool that runs as an MCP server or from the command line. I built Fuse after watching coding agents repeatedly …
EF Core Mapping for DDD — for Dummies
You built a nice domain model with rules and private properties — but EF Core wants simple classes with public get; set; . Don't worry. This guide sho…
Requests timing out but CPU normal: thread pool starvation in ASP.NET
This post was originally published on MatrixTrak.com — the production reliability toolkit for trading bot operators and .NET engineers. When requests …
⚡ Supercharging .NET Development with GitHub Copilot and Testcontainers
Introduction Modern development isn’t just about writing code—it’s about writing better code, faster . With AI-assisted tools like GitHub Copilot and …
Stop writing a test-data builder for every class in .NET
If you've ever written test data by hand, you know the ritual: a PersonBuilder , an OrderBuilder , an AddressBuilder … one hand-written builder per cl…
Azure Logic Apps vs Function Apps: Choosing the Right Tool for the Integration
Two Azure services can look nearly identical on paper. Both connect systems. Both can call an external API, transform data along the way, and handle e…
Retro-Downfall Arcanum
🎲 A Tale of Inference Woes 🎲 Thy context window overflows with dread, Thy API keys scattered 'cross thy thread. Thou switchest providers mid-conversat…
Testing AI Agents in .NET with skUnit: Step-by-Step
One of the biggest challenges when building AI agents isn't writing the agent, it's testing it. Traditional unit tests work great for deterministic co…
MCP Deep Dive, Part 1: Why Model Context Protocol Kills Integration Glue Code for Good
Your AI roadmap does not die from a bad model. It dies from integration glue code — the hand-written adapter that wires agent number four to backend n…
AI Code Review That Engineers Actually Trust: The Pipeline We Run on Every Pull Request
Bolting an LLM onto your pull requests is a weekend project. Building AI code review that your engineers don't disable within two weeks is the actual …
Microsoft's 99 AI Skills Are Interesting. The Bigger Story Is What They Represent.
AI coding assistants already understand .NET. The next challenge is teaching them how your team builds software. One of the most interesting things ha…
GraphQL Query & Mutation Architecture, A Production Deep Dive
Author: Erwin Wilson Ceniza Published: July 2, 2026 Tags: GraphQL | HotChocolate | BatchDataLoader | CQRS | Outbox Pattern | Apollo Federation | .NET …
Edit SharePoint Word Documents from Any AI Agent over MCP with OfficeAgent.NET 0.2
A few weeks ago I released OfficeAgent.NET 0.1 , an open-source .NET library that lets AI agents create and edit real Word documents. Instead of manip…
Back to Simplicity: Why We Built CALM, a Lock-Free Single-Thread Messaging Library for .NET
Hello everyone! For many years, I have been developing equipment control software and long-term support products using .NET/C#. Based on the experienc…
Service Communication Patterns in .NET Core and Azure
This article is part of the Comprehensive Guide to Microservices Architecture in .NET Core, Cloud and Azure series. Asynchronous Messaging with Azure …
I needed up-to-date .NET mapper benchmarks. They didn't exist.
The day AutoMapper stopped being a no-brainer For years, AutoMapper was the default. You added the NuGet package, wrote a profile, and never thought a…