In this tutorial, we will show you how to calculate the distance between two locations geolocated by using latitude and longitude in Ruby. This distance calculation uses the Spherical Law of Cosines, which uses trigonometry to measure the curvature of the earth, to accurately measure the distances on the Earth. […]
How to calculate the distance between 2 locations using PHP
In this tutorial, we will show you how to calculate the distance between two locations geolocated by using latitude and longitude in PHP. This distance calculation uses the Spherical Law of Cosines, which uses trigonometry to measure the curvature of the earth, to accurately measure the distances on the Earth. […]
How to Use amCharts with Country-Region DropDown Menu
Changes on GeoDataSource World Cities Database May 2019 update
GeoDataSource.com is pleased to announce the release of updates for the GeoDataSource World Cities Database. There are some changes for both the Free Edition and the Commercial Edition starting from May 2019 update. In this article, we will discuss about the changes in both Free Edition and Commercial Edition World […]
What are the differences between World Cities Database and World Major Cities Database?
In GeoDataSource, there are two commercial databases available, namely the World Cities Database and World Major Cities Database. World Cities Database contains the list of all cities, including counties, boroughs, towns and so on, in a text format that can be easily loaded in a database to be used by […]
How to add City DropDown to Country-Region DropDown Menu
What are the continent/subcontinent supported?
A continent is one of the very large masses of land on Earth that is linked together. Each continent is unique with specific characteristics. There are 6 commonly known continents, namely the Africa, Americas, Antarctica, Asia, Europe, and Oceania. This continent information is available in all GeoDataSource World Cities Databases […]
What is Administrative Division?
Administrative division is a part of a country or a defined region. The main objective of the administrative division is for administration purposes. The administrative divisions have been divided into a certain order. In general, the largest administrative subdivision of a country is named as First-Order Administrative Division followed by […]
International Country Code, FIPS versus ISO 3166
International Country Code is a country listing that is used to uniquely identify a geopolitical entity (countries, dependencies, and areas of special sovereignty). The country code consists of International Standards Organization (ISO) 3166-1, Federal Information Processing Standard (FIPS) 10-4 and many more. Codes have been used to save time and […]