From Markdown to PDF: Pandoc
When I first thought about automatically geneerating PDF version of my blog posts, I thought it would be easy: Just create a shell script that would run Pandoc to convert each document into its PDF...
Home
Why do we need a virtual file system in Node.js?
Node.js developers frequently encounter situations where working with the real filesystem creates friction: Testing: Unit tests that manipulate files need cleanup, deal with disk I/O latency, and...
Reviewing WordPress 7.0
I stopped using WordPress in 2022 because the project was moving in a direction that no longer matched my needs. I still check new releases to see how the platform is evolving and whether enough has...
Yes, you can write 'wrong' CSS
Jens Oliver Meiert wrote an interesting article on SitePoint: There Is No "Wrong" in CSS. He offers four reasons why CSS can't really be "wrong": If It Works, It Works The One Who...
JavaScript and TypeScript Promises
A Promise is an object representing the eventual completion (or failure) of an asynchronous operation and its resulting value. It acts as a proxy for a value not necessarily known when the promise is...
JavaScript and TypeScript Streams: Advanced Patterns
This is a follow-up to JavaScript and TypeScript Streams (2026 Edition) and covers advanced material removed from the previous Streams post. This post focuses on the moments when "normal"...
The Fetch Ecosystem
When the Fetch API first arrived, it provided a modern, Promise-based alternative to the clunky XMLHttpRequest. Today, in 2026, Fetch has evolved far beyond a single method. It is now a comprehensive...
JavaScript and TypeScript Streams (2026 Edition)
Streams are the safest default when data can be large, continuous, or unpredictable. Instead of buffering everything in memory first, streams process data chunk by chunk. The goal is not to memorize...
Node 25.9 Iterable Streams
Node 25.9 introduces a new experimental streaming module: node:stream/iter. To use it,you must enable it with --experimental-stream-iter. The new API changes the core streams model from...
Punycode and IDN: URLs in your language
The DNS originally handled only a small subset of characters: letters (a-z), digits (0-9), and hyphens. This constraint is known as the LDH rule (Letters, Digits, Hyphens). As the web globalized,...