Tutorials
Step-by-step, hands-on guides that walk you through real implementations.
How to Migrate a JavaScript Codebase to TypeScript Incrementally
A step-by-step approach to adopting TypeScript in an existing JavaScript project without a risky big-bang rewrite.
Getting Started with Android Emulator for Testing
How to set up and use the Android Emulator through Android Studio — creating virtual devices, common performance fixes, and when a physical device is still the better choice.
How to Host a Static Website on AWS S3 and CloudFront
A complete walkthrough of hosting a static site on S3 with CloudFront in front of it — bucket policy, Origin Access Control, caching, and HTTPS via ACM.
Deploying a 3-Tier Application on AWS with Public and Private Subnets
A full walkthrough of the standard AWS 3-tier VPC architecture — web tier, app tier, and data tier, each in the right subnet, with security groups scoped correctly between them.
Docker Multi-Stage Builds: A Step-by-Step Tutorial
Learn how to shrink Docker images and speed up builds using multi-stage builds, with a complete Node.js example.
Setting Up a macOS Development Environment from Scratch
A practical checklist for configuring a new Mac for software development — Homebrew, shell setup, essential tools, and the settings worth changing from defaults.
WSL2 Setup Guide: Running Linux on Windows for Development
How to install WSL2, pick a distro, and set up a proper Linux-based development environment on Windows — including the VS Code integration that makes it seamless.
macOS Dotfiles and Symlinks: Managing Your Configuration Like Code
A step-by-step approach to keeping your shell, Git, and editor configuration in a version-controlled dotfiles repo, symlinked into place instead of scattered and unbacked-up.
How to Debug CrashLoopBackOff in Kubernetes
A systematic approach to diagnosing and fixing CrashLoopBackOff errors in Kubernetes pods.
Git Bisect: Finding the Commit That Broke Something
When a bug appeared somewhere in the last 200 commits and you have no idea which one, git bisect finds it in log2(n) steps instead of manually checking each one.
iOS Shortcuts: Automating Your iPhone Like a Developer
The Shortcuts app is a real automation tool, not just a novelty — how to build practical, triggered automations without writing code.
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