5 articles
You buy a domain, open the DNS panel, and find an empty table with no hint of what goes where. This is a plain, honest walkthrough of pointing a custom domain at GitHub Pages through Cloudflare, written by someone doing it for only the second time, with every wrong turn left in. By the end, the handful of moving pieces make enough sense to reuse on your own domain.
If you work with Fed rates, Banxico exchange rates, or World Bank life expectancy, you already consume APIs. Understanding what happens between your request and your data makes you a better analyst: you can diagnose when something fails, optimize when something is slow, and build when you need something custom. This project demonstrates it with real data and interactive labs.
PostgreSQL, MySQL, SQLite, and most modern file systems use B-trees as the core structure for their indexes. Understanding why changes how you think about query design and the real cost of a lookup.
Two exploratory analysis dashboards (Airbnb CDMX and Olist E-Commerce) as a case study for why Next.js and Recharts are a serious alternative to Power BI and Tableau for production-grade analytical reports.
Interactive demonstrations of fundamental calculus concepts: the sin(x)/x limit, derivative of sine, and Euler's formula. With manipulable SVG visualizations.