September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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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.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.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.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.
Putting it all together
We now have all the building blocks to create our application. Create a new object, coinyser.StreamingProducerApp, and type the following code:
package coinyserimport cats.effect.{ExitCode, IO, IOApp}import com.pusher.client.Pusherimport StreamingProducer._import org.apache.kafka.clients.producer.{KafkaProducer, ProducerRecord}import scala.collection.JavaConversions._object StreamingProducerApp extends IOApp { val topic = "transactions" val pusher = new Pusher("de504dc5763aeef9ff52") val props = Map( "bootstrap.servers" -> "localhost:9092", "key.serializer" -> "org.apache.kafka.common.serialization.IntegerSerializer", "value.serializer" -> "org.apache.kafka.common.serialization.StringSerializer") def run(args:
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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.