TAILIEUCHUNG - Getting Started with GEO, CouchDB, and Node.js

Today's mobile devices have GPS and standard APIs to give you access to coordinates—but what can you do with that data? With this concise book, application developers learn how to work with location data quickly and easily, using , CouchDB, and other open source tools and libraries. makes it simple to run event code on the Web, and the CouchDB document-oriented database lets you store location data and perform complex queries on it quickly. | New Open Source Tools for Location Data Getting Started with GEO CouchDB Mick Thompson Getting Started with GEO CouchDB and Today s mobile devices have GPS and standard APIs to give you access to coordinates but what can you do with that data With this concise book application developers learn how to work with location data quickly and easily using CouchDB and other open source tools and libraries. makes it simple to run event code on the Web and the CouchDB document-oriented database lets you store location data and perform complex queries on it quickly. You ll learn how to get started with these tools and then use them together to build an example project called Mapchat using HTML and JavaScript code samples. Learn how to serve dynamic content with and use its asynchronous 10 to handle several requests at once Become familiar with GeoJSON Geohash and the Geospatial Data Abstraction Library GDAL for working with spatial data Build geospatial indexes using the GeoCouch branch of CouchDB Combine these tools to build a project that lets users post real-time chat messages tagged with their current map location Strata Making Data Work Strata is the emerging ecosystem of people tools and technologies that turn big data into smart decisions. Find information and resources at data. US CAN ISBN 978-1-449-30752-3 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIH 781449 30 7 5 23 Hi III III II III II Twitter @oreillymedia oreilly O REILLY 9 O REILLY Strata Making Data Work Learn how to turn data into decisions. From startups to the Fortune 500 smart companies are betting on data-driven insight seizing the opportunities that are emerging from the convergence of four powerful trends New methods of collecting managing and analyzing data Cloud computing that offers inexpensive storage and flexible on-demand computing power for massive data sets Visualization techniques that

• Kỹ thuật lập trình
• Getting Started with GEO
• CouchDB
• and Node
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• Node
• standard APIs
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