How to Use Apple’s Foundation Models in a Web App with a macOS Companion
Balogun Wahab |
Not every AI feature needs a cloud model, with its per-token bills, network round-trips, and private data leaving your machine. If you're on a modern Mac, a capable language model is already on your d... read more
How to Optimize Enterprise Application Performance with T-SQL Query Tuning and Indexing Strategies
Gopinath Karunanithi |
In this article, you'll learn how to optimize SQL Server performance using T-SQL query tuning, indexing strategies, execution plans, and real-world optimization techniques for enterprise applications.... read more
How to Build a Browser-Based PDF Signature Tool Using JavaScript
Bhavin Sheth |
PDF documents are commonly used for agreements, forms, approvals, invoices, reports, applications, and other documents that may need a signature or additional text before they are shared. A traditiona... read more
How to Build a Multi-Tenant SaaS API with Node.js, RBAC, and Audit Logging
Zia Ullah |
A colleague asked me to help debug what looked like a permissions issue in their SaaS project management tool. Users were seeing resources they hadn't created. I pulled up the query logs expecting som... read more
HRV Data Is Everywhere. Here's What It Actually Means
Shradha Puri |
Health data is having a moment. Of all the metrics receiving the most developer interest at present, there’s nothing like heart rate variability (HRV). It’s a feature found on every major SDK for wear... read more
That's Embarrassing: Why Frontier AI Still Makes Things Up, and What to Do About It
Omer Rosenbaum |
It's mid 2026, and the best frontier models out there still hallucinate. I want you to gain two things from reading this article: understanding that AI hallucinations are still real and possibly harmf... read more
From Manufacturing to Microservices: Universal Lessons About Reliability
Manish Shivanandhan |
Software engineers often think reliability is a modern challenge. We discuss uptime, distributed systems, observability, and fault tolerance as if they belong exclusively to cloud computing. In realit... read more
How to Manage Secrets Securely with Azure Key Vault in Node.js
Zia Ullah |
Last year a client called me about exactly this. Someone ran git log -p on a hunch and found a .env committed two years earlier, never caught. Database password, Stripe secret, JWT signing key — all s... read more
How to Evaluate AI Agents with an LLM-as-a-Judge Harness in Python
Darsh Shah |
In this tutorial, I'll show you how to evaluate a local AI agent with a simple, repeatable evaluation harness. The harness runs the agent against a set of test cases, checks the results with both rule... read more
How to Create Accessible Modals and Pop-ups Using HTML, CSS, and Minimal JavaScript
jabo Landry |
Creating pop-ups and modals on your site can be a complicated process. And it often requires a lot of boilerplate code to get started. But the real challenge comes when you want to make that modal or... read more