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One of the things that we are putting into the new version of the RavenDB Website is some smarts about courses. We want to be able to figure out where a visitor is coming from, and show him relevant courses near him. This is a fairly standard feature, I guess. But I think we solved this in an interesting fashion. First, we had to figure out how to know where a visitor is coming from. This is done via geo location. There are plenty of geo location API, such as: The problem is that a service like that
is limited to ~1000 queries per hour, and we didn’t want that. Other option include paid services, again, with either hard limits on the number of queries per hour or an open credit line. Neither option was very interesting to us. Instead, we thought we would try something out. Max Mind is offering a database that can be used for geo location purposes. They have two options, a free database and a paid option. I took the free version for a spin. Here is the GoeLiteCity-Blocks information: Note that we have repeated rows per location, which allows...(Read whole news on source site)

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Home : Blog List : Ayende @ Rahien : Geo Location & Spatial Searches with RavenDB–Part I–Setup