CDCoding Dropletsincodingdroplets.com·1h ago · 9 min readThe Entity Instance Cannot Be Tracked in ASP.NET Core: Causes and FixesIf you have hit System.InvalidOperationException: The instance of entity type 'X' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked, you are lookin00
JJubsindreaded-developer.hashnode.dev·1d ago · 9 min readYour Logic Apps Were Already Agentic. You Just Didn't Know It.I was going through my usual Monday morning routine — coffee, terminal, and the Logic Apps Aviators Newsletter — when the April 2026 drop stopped me cold. "You can now expose any Logic Apps Standard 11O
CDCoding Dropletsincodingdroplets.com·1d ago · 10 min readHow to Build an MCP Server in ASP.NET Core: A Real-World WalkthroughEvery team that ships a .NET API eventually runs into the same question in 2026: how do you let an AI assistant actually use your API, not just read documentation about it, but call it, pass real argu10
J.Jose .iniamjosepunto.hashnode.dev·1d ago · 6 min readMigrating a Legacy Razor + JavaScript Frontend to React and TypeScript, One Component at a TimeMost articles about React migrations start from a clean, modern setup. Real enterprise apps rarely look like that. This is the story of migrating a production frontend that had grown for years as a ta00
YTYusuf Temelinyusuftmle-dev.hashnode.dev·1d ago · 2 min readFrom Backpacker Dreams to Microsoft PRs: How I Landed My First $40/hr Upwork Contract and a "Rising Talent" BadgeEvery developer shares the same beautiful daydream at some point: packing a backpack, traveling the world, and writing code from a beach or a cozy café while earning a living through freelance work. T00
PKPatrick Kearnsindotnetdigest.com·3d ago · 14 min readCache Lines: The Invisible Boundary Your .NET Code Keeps CrossingYou often find that a performance problem in .NET is not caused by one dramatic mistake. It usually come from a small, ordinary decision repeated millions of times. One of those decisions is how your 20
PKPatrick Kearnsindotnetdigest.com·2d ago · 11 min readBuilding a Bytecode VM in C#A bytecode VM sounds like something that belongs inside a language runtime, a game engine, or a browser. But the basic idea is much smaller than it looks. You define a small set of instructions. You s00
JJubsindreaded-developer.hashnode.dev·2d ago · 15 min readManaging Database Changes: SQL Projects, DbUp, and the Alternatives You Should Actually Know"The scariest deploy is the one that touches the database. But it doesn't have to be." We talk a lot about application code quality — unit tests, clean architecture, SOLID principles — but database c00
JJubsindreaded-developer.hashnode.dev·2d ago · 20 min readPart 4: Agentic AI in Production: Blue-Green Deployments, Circuit Breakers, and Cost GuardrailsThis is Part 4 — the finale — of the Agentic AI on Azure series. Part 1 compared Durable Functions vs AI Foundry. Part 2 built a multi-agent research pipeline. Part 3 covered evaluation, tracing, and 00
JJubsindreaded-developer.hashnode.dev·3d ago · 18 min readPart 3: Evaluating AI Foundry Agents: Tracing, Metrics, and Prompt Regression TestingThis is Part 3 of the Agentic AI on Azure series. Part 1 compared Durable Functions vs AI Foundry. Part 2 built a multi-agent research pipeline with fan-out and self-critique. Now we make sure the thi00
