September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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Writing a paragraph
Well, our first notebook is completely empty! We can reuse the example used in Chapter 10, Fetching and Persisting Bitcoin Market Data, in the section Exploring Spark's API with the Scala console. If you remember, we created Dataset from a sequence of strings. Enter the following in the notebook:
val dsString = Seq("1", "2", "3").toDS()dsString.show()
Then hit Shift + Enter (or click on the play triangle of the UI).
The interpreter runs and you should see the following:
The notebook created the dataset from the sequence and printed in the result section of the paragraph.
Notice that in the previous chapter, when we executed ...
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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.