Full-stack developer writing about .NET, Azure, React, and whatever else I had to spend too long debugging.
What the 15 digits in an IMEI actually mean, how the Luhn check digit works, and a client-side tool on spanners.dev for generating and validating IMEIs and IMEISVs for testing.
Eight brand-new developer tools just landed on spanners.dev — cron parser, regex tester, JWT debugger, diff viewer, and more. Plus a bunch of shared improvements across the whole site.
A practical walkthrough of setting up Hermes Agent as a lightweight orchestrator that drives GitHub Copilot through a fully automated issue → PR → merge pipeline. Not a polished CI/CD system — a crude but effective dev loop that actually works (mostly).
How I went from zero analytics to full Tinylytics tracking across 9 repos — almost entirely hands-off — using Hermes Agent as the orchestrator and GitHub Copilot to write the PRs.
Here’s how I added a valid RSS feed to hardcopy.dev with no backend, no database, and no CMS — just Markdown, React Router, and a build step.
Hardcopy just went through its biggest update yet — a proper design system built on CSS custom properties, a consolidated About page that absorbs the old CV and Tech Stack routes, a brand-new Projects showcase, and a complete component overhaul. Here's what changed and why.
Efficient caching improves performance by reducing server load and speeding up page loads. In my Remix blog, I use `createHeadersFunction` to handle caching in a structured way. Here's how it works. ...
### **Problem Statement** When writing **undo scripts** in SQL, it’s common to reference existing data as part of the `WHERE` clause. If the script is generated dynamically, you may need to swap...
When running services locally in Docker that need to authenticate with Azure Service Bus, you can leverage the Azure CLI (`az login`) to provide credentials. This avoids manually setting up...
## The Problem: Understanding `AddHttpClient` and Its Lifecycle In .NET, `HttpClient` is typically registered using the `AddHttpClient` extension method in `IServiceCollection`. This method...