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How to calculate the distance between 2 locations using Ruby
Last Updated: January 5, 2021In this tutorial, we will show you how to calculate the distance between two locations geolocated by using latitude and...
How to calculate the distance between 2 locations using PHP
Last Updated: January 16, 2026In this tutorial, we will show you how to calculate the distance between two locations geolocated by using latitude and...
How to Use amCharts with Country-Region DropDown Menu
Last Updated: January 15, 2026Intro amChart is a popular interactive data visualization tool that provides JavaScript-based charts and geographical maps. This article will demonstrate...
Changes on GeoDataSource World Cities Database May 2019 update
Last Updated: April 30, 2019GeoDataSource.com is pleased to announce the release of updates for the GeoDataSource World Cities Database. There are some changes for...
What are the differences between World Cities Database and World Major Cities Database?
Last Updated: October 29, 2018In GeoDataSource, there are two commercial databases available, namely the World Cities Database and World Major Cities Database. World Cities...
How to add City DropDown to Country-Region DropDown Menu
Last Updated: January 16, 2026Country-Region DropDown Menu is a JavaScript based dropdown menu that allows users to implement country-region list effortlessly. The region names...
What are the continent/subcontinent supported?
Last Updated: April 10, 2026A continent is one of the very large masses of land on Earth that is linked together. Each continent is...
What is Administrative Division?
Last Updated: April 9, 2026Administrative division is a part of a country or a defined region. The main objective of the administrative division is...
International Country Code, FIPS versus ISO 3166
Last Updated: April 10, 2026International Country Code is a country listing that is used to uniquely identify a geopolitical entity (countries, dependencies, and areas...