Building websites is very useful for personal and professional growth. However, developing these skills can be difficult, ...

Most top-ranking websites fail HTML validation. Google explains why perfect code isn’t required, and what matters instead.

More information: Hanyan Cao et al, Exact Decoding of Quantum Error-Correcting Codes, Physical Review Letters (2025). DOI: 10.1103/PhysRevLett.134.190603. Journal information: Physical Review Letters ...

An embeddable script that makes source-code snippets in HTML prettier. Works on HTML pages. Works even if code contains embedded links, line numbers, etc. Simple API: include some JS & CSS and add an ...

Open Source Point of Sale is a web-based point of sale system. The application is written in PHP, uses MySQL (or MariaDB) as the data storage back-end, and has a simple but intuitive user interface.