By Holden Karau, Andy Konwinski, Patrick Wendell, Matei Zaharia
Info in all domain names is getting larger. how will you paintings with it successfully? Recently up-to-date for Spark 1.3, this booklet introduces Apache Spark, the open resource cluster computing process that makes info analytics quick to put in writing and quickly to run. With Spark, you could take on great datasets fast via basic APIs in Python, Java, and Scala. This variation comprises new info on Spark SQL, Spark Streaming, setup, and Maven coordinates.
Written via the builders of Spark, this ebook can have facts scientists and engineers up and operating very quickly. You’ll the right way to show parallel jobs with quite a few traces of code, and canopy purposes from easy batch jobs to flow processing and desktop learning.
• speedy dive into Spark functions resembling disbursed datasets, in-memory caching, and the interactive shell
• Leverage Spark’s robust integrated libraries, together with Spark SQL, Spark Streaming, and MLlib
• Use one programming paradigm rather than mix and matching instruments like Hive, Hadoop, Mahout, and Storm
• how one can install interactive, batch, and streaming applications
• hook up with information resources together with HDFS, Hive, JSON, and S3
• grasp complex themes like information partitioning and shared variables
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Extra resources for Learning Spark: Lightning-Fast Big Data Analysis
Proper rendering always has them right-side up, so that’s definitely a bug. Another, more complex game simply crashed and wouldn’t run. This isn’t to say the hardware accelerated AVD is not useful, because for more basic rendering, it may work just fine, and if you notice the number 61 in the bottom-right corner, that basically means it’s running 60 frames per second (FPS)—a new record for GL on the Android emulator on this test PC! CHAPTER 2: First Steps with the Android SDK 41 Figure 2-10. 0.
OnCreate(savedInstanceState); Next, we create a Button and set its initial text. Button is one of the many widgets that the Android framework API provides. UI widgets are called views on Android. Note that button is a member of our HelloWorldActivity class. We’ll need a reference to it later on. " ); The next line in onCreate() sets the OnClickListener of the Button. onClick(), which gets called when the Button is clicked. We want to be notified of clicks, so we let our HelloWorldActivity implement that interface and register it as the OnClickListener of the Button.
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