GPX parsing and showing on Google Maps with Node.js and MariaDB.
Tutorial 1: Node.js, MariaDB and GIS, https://blog.mariadb.org/node-js-mariadb-and-gis/
Tutorial 2: jQuery and GIS distance in MariaDB, https://blog.mariadb.org/jquery-and-gis-distance-in-mariadb/
Tutorial 3: Crunching XML files with MariaDB, https://blog.mariadb.org/crunching-xml-files-with-mariadb/