September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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Fetching and Persisting Bitcoin Market Data
In this chapter, we will develop a data pipeline to fetch, store, and, later on, analyze bitcoin transaction data.
After an introduction to Apache Spark, we will see how to call a REST API to fetch transactions from a cryptocurrency exchange. A cryptocurrency exchange allows customers to trade digital currencies, such as bitcoin, for fiat currencies, such as the US dollar. The transaction data will allow us to track the price and quantity exchanged at a certain point in time.
We will then introduce the Parquet format. This is a columnar data format that is widely used for big data analytics. After that, we will build a standalone application that will produce a history of bitcoin/USD transactions ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.