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• How to compute the distance between two points, given longitude and latitude

  

  By mike-loukides : 26 October 2009 - 12:36 PM

  Given a longitude and a latitude, what's the great circle distance between them? The formula for this computation, and many others, is available at the Aviation Formulary, by Ed Williams: QuoteT...

  Tags:

  • longitude
  • latitude
  • java
  • math

  5Votes

  0Comments

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• How to compute distances based on zip codes

  

  By mike-loukides : 26 October 2009 - 12:20 PM

  If you're writing a web application, and you want to find places (restaurants, theaters) within a certain distance from your user, you'll probably need to work with zip codes. Here's a go...

  Tags:

  • ruby
  • rails
  • jruby
  • enterprise
  • zip code
  • latitude
  • longitude
  • geocoding
  • map
  • database
  • sql

  3Votes

  0Comments

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