Use for questions about Esri the company ONLY rather than its products which will usually have separate tags.

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Converting from British National Grid (27700) to WGS84 (4326) to Web Mercator (102100)

I'm developing a web application that uses ESRI ArcGIS to display a map using JavaScript. We are holding all our data in MS SQL Server 2008 as Easting/Northing against the British National Grid. ...
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3answers
543 views

How do I Verify that ArcInfo Workstation is Installed?

What is the best way to verify that a machine has ArcInfo Workstation installed? A code sample in VBA, VB or C# would be great!
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What are the equivalents of ESRI products in open source for Web Mapping? [closed]

I have been using the following licensed products to publish my GIS data on web. web server: windows 2008 R2, GIS desktop: ArcGIS desktop, GIS web server: ArcGIS server, API: ArcGIS API for JS, ...