Markdown vs HTML: When to Use Each
You want to write something for the web — a README file, a blog post, some documentation. Should you write…
Jan van Dijk · Jun 5, 2026
Data Formats
Understanding JSON, XML, CSV, Base64, and other data formats
Jan van Dijk · Jun 5, 2026
What Is URL Encoding? Why %20 Means Space
Have you ever copied a link and noticed it was full of strange codes like %20, %3D, or %26? Maybe…
Jan van Dijk · Apr 29, 2026
JSON vs CSV: What’s the Difference?
You’ve been handed a data file. It might be a list of customers, a product catalog, or an export from…
Jan van Dijk · Apr 11, 2026