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  • Big data processing with Apache Spark
    Big data processing with Apache Spark
    This document mainly talks about using Apache Spark for big data processing - Part 1: Getting Started; Apache Spark is a big data processing framework built around speed, ease of use and complex analysis. It was originally developed by AMPLab at the University of California, Berkeley, in 2009, and became one of Apache's open source projects in 2010. In this first part of the Apache Spark article series, we will learn what Spark is, how it differs from typical Map
    2024-01-29 0 985
  • Detailed guide to creating and using databases in Android Chinese WORD version
    Detailed guide to creating and using databases in Android Chinese WORD version
    Every application uses data, and Android applications are no exception. Android uses an open source, operating system-independent SQL database--SQLite. This article introduces how to create and operate a SQLite database for your Android application. Database supports the lifeline of every application no matter how big or small. Unless your application only handles simple data, then you need a database system to store your structured data. Android uses SQLite database, which is an open source and supports multiple operating systems. SQ
    2024-02-28 0 504
  • Android data storage SQLite database storage Chinese WORD version
    Android data storage SQLite database storage Chinese WORD version
    This document mainly talks about Android data storage SQLite database storage; each database in Android is private to the application package suite that created it. By default, other applications cannot directly access this private database. Friends in need can download and take a look
    2024-02-26 0 1036
  • View and manage sqlite database in Android Chinese WORD version
    View and manage sqlite database in Android Chinese WORD version
    This document mainly talks about viewing and managing sqlite database in Android; you can use the Eclipse plug-in DDMS to view it in Android, or you can use the adb tool in the Android tool kit to view it. The sqlite database in the android project is located in /data/data/project package/databases. Friends in need can download and take a look
    2024-02-02 0 852
  • Android local data storage Chinese WORD version
    Android local data storage Chinese WORD version
    This document is primarily about Android local data storage; the ability to store data locally on a mobile device is a critical feature for applications that need to maintain important information across the execution or lifetime of the application. As a developer, you often need to store information such as user preferences or application configurations. You must also decide based on characteristics such as access visibility whether you need to involve internal or external memory, or whether you need to deal with more complex, structured data types. Follow this article to learn the Android data storage API with
    2024-02-26 0 808