Juan Rodriguez Donado - sjdonado

By the end of 2022, I had one clear goal: be faster.

I’ve been gradually stepping away from doomscrolling for a while now.

The freemium model is marketing, a clever funnel.

"*Tomorrow, I’ll wake up at 06:00, meditate, work out, and finally crush those overdues in my Todo list*”.

While recently tuning Bit's performance, I encountered a bottleneck in one highly-selective query SELECT id, url FROM links WHERE slug = (?)

The first principle is that you must not fool yourself—and you are the easiest person to fool. — Richard Feynman, Cargo Cult Science, Caltech commencement address, 1974.[^1] At the heart of Feynman’s warning lies a simple yet profound truth: we humans are…

This weekend I finally found time to upgrade the old deprecated @remix-run/eslint-config in my Remix projects (not yet migrated to React Router v7).

Yesterday, *I Don’t Have Spotify* reached #2 on Hacker News, getting 700+ points https://news.ycombinator.com/item?

The sitemap.xml file is very useful for search engines to understand which URLs are available for crawling.

For a while, I’ve been reading blog posts, articles, and comment threads about various tech and finance topics.

When working on applications, caching is crucial for enhancing performance by reducing the need for repeated database fetches.

Interacting with the server without using window.navigation significantly improves the user experience.

*This project was submitted to the Cloudflare AI Challenge.* The Inspiration Behind "Cule filo" Imagine you’re craving your favorite meal—a local specialty or a unique dish you tried once and can’t forget.

Let's build a real-world app with HTMX + Tailwind CSS + Bun.

In 2018, a professor at the Uni asked me to build a series of computer science games; he was looking for a very visual way to show students how the solution algorithms of NP problems) (like the Knapsack Problem, Tower of Hanoi, Tic-Tac-Toe, etc.) behave a…

Why?