Why Async/Await Inside forEach Is a Bad Idea
Using async/await inside forEach often leads to confusion. Here is how to run multiple asynchronous tasks instead.
Articles
Why You Shouldn't Mix Promise.then() With Async/Await Syntax
Mixing Promise.then() with async/await syntax is a recipe for bugs. Here's why you shouldn't do it.
14 Linting Rules To Help You Write Asynchronous Code in JavaScript
A compiled list of linting rules to specifically help you with writing asynchronous code in JavaScript and Node.js.
Run Concurrent Tasks With a Limit Using Pure JavaScript
Run asynchronous tasks with a concurrency limit without having to rely on an external library.
How Do You Start a Node.js Server in Production?
Confidently start a Node.js app that's always available to serve incoming requests, just like you programmed it.
A Memory Trick To Remember When to Use for...of vs for...in
When should you use for...of vs for...in? This neat memory trick has saved me countless Google searches.
Synchronous vs Asynchronous Callbacks
Improve your understanding of asynchronous code by learning the difference between synchronous and asynchronous callbacks.
The Talk That Made Me Finally Understand How the Event Loop Works
What is the event loop and how does it work? After this talk I finally understood asynchronous code in JavaScript/Node.js.
A Visual Guide to Refactoring Callback Functions to Promises & Async/await
Nested callbacks can be stressful. Use this technique to confidently refactor messy callbacks into clean async/await.
Why Storing Files in the Database Is Considered Bad Practice
Everyone says you shouldn't store files in the database, but why? Find out why and learn a better approach to file storage.
Send a File With Axios in Node.js
Everything you need to know about sending files with axios in Node.js — from creating a form to setting the right headers.
Fix "Unexpected field" Error From Multer
Learn how to decypher & fix this cryptic error message from multer, and finally implement working file uploads in Node.js.
Why Your calc() Function in CSS Might Be Broken
You've fiddled with calc() a dozen times. Learn the common mistake devs make with math in CSS and finally fix your issue.
Logging with Pino and AsyncLocalStorage in Node.js
From a lousy dump of debug statements to a powerful debugging tool. Learn how to apply contextual logging in Node.js.
ES Modules in Node.js
My notes on the ES Modules in Node.js presentation by Gil Tayar at Nodeconf Remote.
Getting Started with Eleventy
My notes on the Egghead course "Getting Started with Eleventy" by Khaled Garbaya.
Node.js 15 Is Out! What Does It Mean for You?
How does this new major release affect you? Find out what the breaking changes are and how to use the new features.
Set up Automated Deployments From Github With Webhook
Set up Heroku-like auto-deployments on your server. Redeploy every time you push to your Github repository.
Fix "Permission Denied" Error From Github
Random Github permission errors are frustrating and keep you from doing the real work. Let's fix them and get on with our day.
4 Essential Steps to Securing a VPS
How do you protect your data and keep the bad guys out? These 4 security measures will go a long way in securing your server.
Deploying to Github Pages? Don't Forget to Fix Your Links
Is your site not working after deploying to Github Pages? Learn the #1 reason why deployments to Github Pages fail and how to fix it.
Host Your Personal Projects on a Single VPS
How do you serve multiple apps from one VPS? Save money and learn valuable skills by hosting your projects on a VPS.
From PM2 to Docker: Cluster Mode
How do you cluster a Node.js app that lives inside a container? Learn how to utilise all CPU cores with Docker.
From PM2 to Docker: Automatic Restarts
Migrating from PM2 to Docker? Curious if Docker can live up to PM2? Let's compare automatic restarts between the two tools.
Install MySQL With PhpMyAdmin Using Docker
Quickly install MySQL and phpMyAdmin using Docker without bloating your machine. Spin up and bring everything down with just a single command.
Docker Compose Syntax: Volume or Bind Mount?
A Docker Compose file can be confusing. "Is this a volume or a bind mount?" By the end of this article, you'll stop guessing and will know in an instant.
4 Reasons Why Your Docker Containers Can't Talk to Each Other
Avoid wasted hours spent on debugging container networking issues by trying these 4 troubleshooting steps.
Automate Your Docker Deployments
Deploying with Docker, how is it done? In this tutorial, you're going to learn a straightforward way to automate your deployments.
Exposing a Port in Docker, What Does It Do?
Expose doesn't do much. Most people confuse exposing a port with publishing a port. Here are a few misconceptions you should avoid.
Process Signals Inside Docker Containers
There are some gotchas to handling process signals inside Docker containers. Here's what they are and how you should best avoid them.
Why Docker? What's All the Hype About?
What problems does Docker solve? And is it something you should use? Using real-world scenarios I explain why Docker might, or might not, be relevant for you.
A Beginner's Guide to Building a Docker Image of Your Node.js Application
Getting your application in front of your users is not a trivial process. Docker makes deploying your app a lot easier. This detailed guide will teach you how to create a Docker image from your Node.js application.
6 Common Sequelize Queries Explained in SQL
Writing SQL queries can be daunting. We'll unveil the magic by translating 6 common Sequelize queries into raw SQL.
How to Fix Your EJS Modals When They Don't Show the Correct Info
Does your EJS page behave incorrectly? You click on a button to open a modal only to find out it shows the wrong text? Let's examine the id attribute and how this might be the cause of the problem.