Array.sortBy(_._2) sortByKey() https://www.tutorialspoint.com/apache_spark/apache_spark_tutorial.pdf 
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I tried to commit script to bitbucket using sourcetree. I first cloned from bitbucket using SSH, and I got an error, "authentication ... -
https://github.com/boto/boto3/issues/134 import boto3 import botocore client = boto3.client('s3') result = client.list_obje...
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There are some fun tools on Mac/PC which can help you on your studies, life and research. 1. Evernote: https://evernote.com/ To downl...
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