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Leaflet. Leaflet is a JavaScript library used to build web mapping applications. It allows developers without a GIS background to display tiled web maps hosted on a public server, with optional tiled overlays. It can load feature data from GeoJSON files, style it and create interactive layers, such as markers with popups when clicked.
One thing the most visited websites have in common is that they are dynamic websites.Their development typically involves server-side coding, client-side coding and database technology.
React (JavaScript library) React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [4] [5] for building user interfaces based on components by Facebook Inc. It is maintained by Meta (formerly Facebook) and a community of individual developers and companies.
Google APIs are application programming interfaces ( APIs) developed by Google which allow communication with Google Services and their integration to other services. Examples of these include Search, Gmail, Translate or Google Maps. Third-party apps can use these APIs to take advantage of or extend the functionality of the existing services.
JSON, XML, JavaScript, .NET XML Java, JavaScript Backend providers Google Microsoft Seznam.cz OpenStreetMap Foundation. Paid for by various individuals and companies. HERE: Apple: Yandex: Data Feature Google Maps Bing Maps MapQuest Mapy.cz OpenStreetMap Here WeGo Apple Maps Yandex Maps; Age of satellite imagery 1–3 years [dubious – discuss]
The Google Maps API was free for commercial use, provided that the site on which it is being used is publicly accessible and did not charge for access, and was not generating more than 25,000 map accesses a day. [136] [137] Sites that did not meet these requirements could purchase the Google Maps API for Business. [138]
Lars Eilstrup Rasmussen is a Danish [1] computer scientist, technology executive, and the co-founder of Google Maps. [2] He was later the director of engineering for Facebook in London. [3] In early 2003, Lars and his brother Jens co-founded a mapping-related startup, Where 2 Technologies, which was acquired by Google in October 2004. Rasmussen ...
Observer pattern. In software design and engineering, the observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods . It is often used for implementing distributed event ...