Hi, I'm Cary — a tech enthusiast, educator, and author, currently a software architect at Hornetlabs Technology in Canada. I love simplifying complex ideas, tackling coding challenges, and sharing what I learn with others.
Introduction: From Single Docker Host to Kubernetes Cluster If you're comfortable with Docker, you already understand containers, images, and running apps on a single host. That's usually enough for side projects or small internal tools. But as soon as you… Read More »Kubernetes for Docker Users: A No‑Nonsense Guide to Your First Cluster
Introduction Linked lists are a core building block in C, but writing them from scratch often feels painful — endless pointer juggling, boilerplate code, and subtle bugs that waste hours. That’s where utlist.h changes the game. This tiny, single-header library… Read More »How to Use utlist.h to Craft Ultra-Swift and Elegant Linked Lists in C
Introduction: Why Remote Developers Need AI-Powered Dev Tools Remote development has gone from a perk to the default for many engineering teams. But the freedom of working from anywhere comes with hidden friction: endless context switching between tools, scattered documentation,… Read More »AI-Powered Dev Tools for Remote Devs: Build a Frictionless Workspace
Introduction As neural networks grow larger and more complex, they also become slower, more expensive, and harder to deploy. Models with billions of parameters can achieve impressive accuracy, but they strain GPUs, increase energy usage, and make real-time or on-device… Read More »Neural Network Pruning: A Practical Guide to Smaller, Sharper Models
Introduction: Why C Programming for Beginners Still Matters in 2025 C programming for beginners might sound old-school in a world of Python, JavaScript, and AI-focused tools, but in 2025 it is more relevant than ever. C sits close to the… Read More »C Programming for Beginners: Build Real Projects and Think Like a Pro
Introduction Modern applications are expected to be always on. Users don’t care about maintenance windows, hardware failures, or network hiccups—they just expect your app to work. Because so many apps rely on PostgreSQL as their primary data store, PostgreSQL high… Read More »The Essential PostgreSQL High Availability Guide for Modern Apps
Introduction to n8n Automation What Is n8n Automation? n8n automation is all about using the open-source tool n8n to connect your apps, move data between them, and automate repetitive tasks — without needing to be a professional developer. Think of… Read More »The Ultimate Beginner’s Guide to n8n Automation (Step-by-Step)
Introduction If you’re the kind of developer or IT tinkerer who likes to have things under your own control, running self-hosted n8n on your own machine is a fantastic option. Instead of relying on someone else’s cloud, you can spin up a… Read More »How to Prepare Self-Hosted n8n with Docker and Your Own Domain
Introduction APIs power nearly everything you interact with online — from mobile apps and web dashboards to IoT devices and cloud services. At the heart of these systems are REST APIs, a simple yet powerful way for applications to communicate… Read More »From Zero to Hero: Create a Powerful REST API Web Server Using Python Flask
Introduction When you need raw speed and absolute control, plain C stands tall as the king. However, writing your own data structures often feels like reinventing the wheel and drains time away from what truly matters. That’s exactly where uthash.h… Read More »How to Use uthash.h to Build Blazing-Fast Hash Tables in C
Introduction Talking to servers or chat apps exchanging messages — at the core of this communication lies the C socket, a powerful abstraction that lets two programs send and receive data across a network as if they were reading and… Read More »Let’s Build a Reliable Server App with C Sockets
Introduction If you’ve ever felt curious — or even a little intimidated — by the massive PostgreSQL codebase, you’re not alone. But don’t worry! This guide is here to give you a gentle, beginner-friendly introduction to the PostgreSQL source code… Read More »A Warm Welcome to the PostgreSQL Source Code!