Writing and optimizing custom Claude Code slash commands
How I built a fast Netlify status checker, from slow CLI wrapper to optimized Bun script with direct API access.
Read more →Tutorials
The 37 MB of Code You Didn't Write
You ran npm install and got hundreds of packages. Do you trust all of them? Your project depends on code written by strangers—and that code can have security holes.
Read more →Why I Teach Security in a JavaScript Class
The case for embedding security fundamentals into every coding course—because professional development means more than syntax.
Read more →Why Secrets Don't Belong in Code
You just signed up for an API. Where do you put the key? If your first instinct is 'paste it in my JavaScript file,' here's why that's a problem.
Read more →What .gitignore Actually Does
Every project has files that shouldn't be shared—secrets, generated files, dependencies. The .gitignore file tells Git which files to ignore.
Read more →Writing Markdown That AI Actually Understands
Markdown files serve a dual purpose: human-readable documentation AND machine-parseable instructions. Here's how AI reads your files differently than you do.
Read more →Why Markdown Won
If you've read a README on GitHub, you've seen markdown. Here's why this 2004 invention became the standard for developer documentation—and why AI tools use it too.
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