The Blog

Practical and hands-on guide to getting started with Neural Networks in JavaScript using the Brain.js library to build a simple neural network to predict if a number is even or odd and more.

Developer Advocates and Engineers can leverage Generative AI to speed up their work and make them more productive. Here's a practical example from my day-to-day.

Building with Large Language Models (LLMs) requires context and metadata. The `llms.txt` file format is a simple text file that provides LLMs with relevant context and metadata.

What are some common anti patterns and signs of tight coupling in a Node.js codebase and the challenges they present? Let's unfold some messy code and learn how the CJS module system and the use of globals has to do with it.

If you're building LLM and AI-powered chatbots like me you might need to read and parse PDFs or create PDFs in Node.js. Here's how to do it with PDF.js and PDF Lib.

How do you handle TypeScript, dual ESM and CJS publishing, and the JavaScript toolchain in 2025? Here's a brief overview of the current state of the ecosystem and the tooling I personally use.

How to set up Home Assistant YouTube DNS blocking with AdGuard and Lovelace buttons for a more action friendly interface.

Learn how I got the Starlight documentation framework in Astro to create a gated content website with authentication for my Bun Security course

Step-by-step tutorial on configuring a Google Cloud project and storing images in Google Cloud Storage.

Imagine if we applied behavioral economics principles to application security methodologies and practices, what would be able to unlock? System1 and System2, All Systems Go.

Can Astro automatically import components in markdown files? Yes, it can! Here's how to do it thanks to Chris Swithinbank and his Astro Auto Import package.

This article explores the use of `Promise.withResolvers` in Node.js tests, providing examples and refactoring techniques to handle nested tests and signal their completion effectively. It also discusses the limitations of the `Promise.withResolvers` API in different Node.js versions.

Learn how to supercharge your Vue.js 3 app with TanStack Query. Discover efficient data fetching, caching, and state management in this practical refactoring guide.

The rise of zero dependency JavaScript with packages like `neotraverse` and the controversy around the `axobject-query` package demonstrate the different perspectives and trade-offs that developers and maintainers need to consider when building and maintaining JavaScript applications.

How about we try a different approach to ChatGPT, Google Gemini or Anthropic's Claude? Learn how to run a local LLM model for inference so you can access it offline and without incurring costs beyond your own hardware compute.

Current adoption craze for GenAI tools like ChatGPT bring hidden costs in the form of privacy, security, data leakage, latency and availability. The future isn't gloom though, as the future of LLMs is in local-first offline inference, open LLMs, consumer-grade GPU acceleration and micro fine-tuning model training. How and why? Read on.

Getting Playwright to work on Heroku wasn't smooth sailing. It looked for browser dependencies that weren't installed by default and not in the location it expected them. Here's how I did it and what I learned along the way.

Tired of seeing poor authentication patterns in Node.js applications and Express code examples? Here's a guide on how to avoid them and what to do instead

Learn how to block specific LAN client IPs from accessing YouTube and other media sites using AdGuard add-on and Home Assistant.

A break-down of how to set up Fastify to work on serverless Firebase Functions and access the request's rawBody to validate incoming HTTP webhooks requests from Lemon Squeezy.

You have an Astro blog? Now it's time to unlock the social sharing magic! Learn to wield OpenGraph meta tags configuration, crafting eye-catching previews. Optimize your website's social share game with these tips.

Follow these best practices to bootstrap a Node.js application configuration in a robust and maintainable way using env-schema.

Often smart home automation enthusiasts want to access their Home Assistant instance remotely. This can be done by exposing the Home Assistant instance to the internet. However, this is not a secure way to access Home Assistant remotely and pose the risk of cyber attacks. In this article, we will see how to use Tailscale VPN to securely access Home Assistant remotely.

Every Node.js application needs configuration management, but there are many ways to do it. You might have heard about `.env` files, and packages like dotenv, convict, env-schema so let's explore the different configuration patterns and how to use them.

Vue.js revolves around a reactivity system, which is unlike React. In this article, we will explore how to use the Vue.js 3 Composition API to create a reactive parent to child communication.