Spark Programming Guide 中文版

Spark Programming Guide Overview Linking with Spark Initializing Spark Using the Shell Resilient Distributed Datasets (RDDs) Parallelized Collections External Datasets RDD Operations Basics Passing Functions to Spark Working with Key-Value Pairs Tran

Spark Streaming Programming Guide Overview A Quick Example Basic Concepts Linking Initializing StreamingContext Discretized Streams (DStreams) Input DStreams Transformations on DStreams Output Operations on DStreams Caching / Persistence Checkpointin

GraphX Programming Guide 概述 入门 属性 Graph 示例属性 Graph Graph 运算符 运算符的汇总表 Property 运算符 Structural 运算符 Join 运算符 邻域聚合 聚合消息 (aggregateMessages) Map Reduce Triplets Transition Guide (Legacy) 计算级别信息 收集相邻点 Caching and Uncaching Pregel API Graph 建造者 Vertex and E

Spark SQL Programming Guide Overview Getting Started Data Sources RDDs Inferring the Schema Using Reflection Programmatically Specifying the Schema Parquet Files Loading Data Programmatically Configuration JSON Datasets Hive Tables Performance Tuning

学习的资料是官网的Programming Guide https://spark.apache.org/docs/latest/graphx-programming-guide.html 首先是GraphX的简介 GraphX是Spark中专门负责图和图并行计算的组件. GraphX通过引入了图形概念来继承了Spark RDD:一个连接节点和边的有向图 为了支持图计算,GraphX引入了一些算子: subgraph, joinVertices, and aggregateMessages等 和 

Quartz 2D Programming  Guide 官方文档: Quartz 2D Programming Guide 译文: Quartz 2D编程指南(1) - 概览 Quartz 2D编程指南(2) - 图形上下文(Graphics Contexts) Quartz 2D编程指南(3) - 路径(Paths)[上] Quartz 2D编程指南(3) - 路径(Paths)[下] Quartz 2D编程指南(4) - 颜色和颜色空间 Quartz 2D编程指南(5) - 变换 Quar

1 有关 Windows and Views 每个应用都至少有一个 window 和一个 view. 1.1 添加额外的 Window 一般在有外界显示设备的时候才需要添加额外的 window 下面的代码举了一个例子,这里假定对象实现了方法 externalWindow,externalWindow 存储一个 window 的引用 - (void)configureExternalDisplayAndShowWithContent:(UIViewController*)rootVC { // C

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Core Bluetooth Programming Guide 粗译 续 code {padding:0.2em 0.4em; background:#e1e9ed;} pre {text-align:left; overflow-x: scroll; color: #d3bd7e; background: #202020; padding: 10pt 15pt; border-radius: 3px;} hr {border: 0px; border-top: 1px solid #ddd;