DanLevy.net

The Last to Think

Beware the Single-Purpose People

You May Not Need Algolia™

Essential Docker Security Tips for Self-Hosting

The Unassuming Power of Multiple-Choice Questions

From Zero to Regex Hero

Quiz: Essential Rust Memory Management

Quiz: AWS Storage: 20+ Questions!

Open Source Journal

Replacing Myself with AI

Quiz: Deep Postgres: Pt. 2

Quiz: Deep Postgres: Pt. 1

Quiz: Bash & Shell Mastery

Quiz: Regular Expressions Mastery

Quiz: NodeJS IO Mastery

Quiz: Destructuring Delights

Quiz: Prove your SQL Skills!

Quiz: Do You know CSS fundamentals? (2025)

Quiz: Do You know Modern CSS? (for 2025)

Quiz: Can you count on JavaScript?

Quiz: Does HTML still belong on your résumé?

Quiz: Symbols & Enumerables

Quiz: Data Structures & Algorithms

Quiz: Do You Know Modern JavaScript?

The Priority Trap

One weird trick to speed up feature teams!

How to lose a billion dollars super fast

Understanding International Numbers & Currency

Lessons Learned Upgrading My Blog

Become an Open Source Millionaire*

Guerrilla Types in TypeScript

Deathmatch: Git Rebase vs. Merge

ESM exports: named vs. default?

Master of Pipelines: Passing State

The 4 Pillars of Collaborative Culture

Creating Collaborative Culture

Quiz: 14 JavaScript Date Questions

Quiz: 9 JavaScript Promise Questions

You may not need Axios

Using Environment Variables in NodeJS

Protecting Your Tokens, API Keys and Secrets

Broken Promises?

Stop trying to make async/await happen

Visualizing Promises

Promise Gotchas

Intro to Promises

Pitfalls in Promise Docs

Linux Server Benchmarking Scripts

Compare NVMe SSD Cloud Options

Naming things good

MongoDB: Disable transparent huge pages

When AI Fails & the Crashing Robotic Cars

Higher Order Programming

AngularJS v2.0 and the Impending Schism

Docker rocks & now works on OSX

Docker Firewall Setup

JavaScript Magic

Docker Server Setup

AngularJS Tricks

Docker === Love

Winning Design Resource

Security Notes: RegEx