How to Use .gitignore: What It Is and What to Ignore in Git
A beginner's guide to using .gitignore: pattern syntax, what to always ignore, and why your .env still shows up even after you added it.
Library
All AI Coding Patterns
Technical articles: agents, architecture, tools and design decisions.
All articles
Human in the loop: what it is and when you need it
What 'human in the loop' means for your business, when you need human review before automating with AI, and when it is a cost you can skip.
4 questions before rolling out AI in your company
The 4-question framework to approve, condition, or reject an AI project without being technical. Cost of error, control, return, and accountability.
git add, commit, and push: Git's basic workflow explained
What git add, git commit, and git push actually do, and why they're three separate steps: a change's journey through Git's four areas, explained from scratch.
git init: Create Your First Repository Step by Step
Learn how to use git init to create your first local repository from scratch: what it does, how to make your first commit, and how it differs from git clone.
AI Risk Assessment: The 5-Step Method Before You Approve
How to run a risk assessment before rolling out AI in your company: what can go wrong, impact, likelihood, mitigation and owner, all in one table.
SSH key for GitHub: set it up once and forget about tokens
Set up your SSH key for GitHub with ssh-keygen and ed25519: generate it, load it into the ssh-agent, upload it, and stop pasting a token on every push.
Setting Up Git for the First Time: Name, Email, and Editor
The exact commands to configure Git before your first commit: user.name, user.email, the default editor, and what --global means versus local.
When NOT to use AI in your company (and when it's just not yet)
When not to use AI in your company: the three zones where it must never decide alone and the 'not yet' case. A clear way to decide, no hype.
New
GoF Patterns in AI Agents: The Complete Map
GoF patterns don't disappear in agentic systems—they transform. Command=tool call, Mediator=orchestrator, Adapter=MCP. The complete map with code.
Prompt Chaining: How to Break Down Complex Tasks Into Simple Steps
Learn how to divide difficult tasks into sequential LLM calls. With line-by-line commented TypeScript code and no external frameworks.
How to Install Git on macOS (With and Without Homebrew)
Install Git on your Mac two ways: with Homebrew or with the Xcode Command Line Tools. Check the version and avoid the PATH problem on Apple Silicon.