UI and Integration Testing for a Full-Stack Javascript App

While developing our new full-stack Javascript app, we needed to pick a technology for UI and integration testing. Read on for overview of available technologies at the time, detailed evaluations on three of them, and our final choice.

Big Data Geospatial SQL Without SQL Geospatial Support

image02In geospatial queries, we often need to quickly find all the points of interests (POIs) within a certain distance from an anchor point. In this post, we present a simple method that scales very well for billions of data points and implemented using plain SQL; so it can be deployed on a massive data processing systems like Redshift or Hive/SparkSQL on Hadoop without utilizing any geospatial support components.

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