http://www.thecloudavenue.com/2013/10/mapreduce-programming-in-r-using-hadoop.html
Hadoop Streaming makes it possible to implement Mapper/Reducer tasks in programming languages other than Java. Python, R, Ruby can be used. Data is passed in and out of the mapper/reducer tasks via stdin and stdout. A separate process is started for the executable (in R, Python, Ruby).
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You need to add an attribute android:screenOrientation to the activity in the AndroidManifest file
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