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bitcoinj

A library for working with Bitcoin

cloudbreak

A tool for provisioning and managing Apache Hadoop clusters in the cloud. Cloudbreak, as part of the Hortonworks Data Platform, makes it easy to provision, configure and elastically grow HDP clusters on cloud infrastructure. Cloudbreak can be used to provision Hadoop across cloud infrastructure providers including AWS, Azure, GCP and OpenStack.

druid

Column oriented distributed data store ideal for powering interactive applications

hackathon01

kafka-spark-streaming-druid

Takes a kafka stream into spark, apply transformations and sink into Druid. Everything Dockerised.

parking-lot

scala

The Scala programming language

spark

Mirror of Apache Spark

stackoverflow-statistics

To get information about top 50 popular tags

tax-calculator

This assessment consists in writing a simple application that prints out the details of a receipt containing items purchased by a customer. The receipt should list the number of items, the name, the final price (including taxes) of each of the item purchased, plus two extra lines showing the total amount of the receipt and the total amount of taxes.

v-excel

visualexample

Example of creating visualization from CSV data, using mongodb.