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Structured Streaming
Spark Structured Streaming Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. Spark DSv2 is an evolving API with different levels of support... -
Config Management
Introduction Dataset Config Management Requirement Data Model Versioning Client library Config Store Current Dataset Config Management Implementation Data model Client appli... -
Object
clone values eqProps keys omit pick pickAll project prop props where clone {*} → {*} Parameters valueThe object or array to clone Returns * A deeply cloned copy... -
6 LaTeX Output
For many authors, the main output of their work will be the PDF report, in which case they can utilize the powerful styling of LaTeX. In this chapter, we discuss approaches that c... -
Distributed objects
Object holder Java implementation of Redis or Valkey based RBucket object is a holder for any type of object. Size is limited to 512Mb. Code example: RBucket < AnyObject > buc... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy countBy (a → String) → [a] → {*} Parameters fnThe function u... -
第四章：线程安全问题
学习目标 1. 什么是线程安全 1.1 线程安全的定义 1.2 线程安全的重要性 2. 共享资源访问的竞态条件 2.1 什么是竞态条件 2.2 竞态条件示例 2.3 竞态条件的类型 读-改-写竞态条件 检查再执行竞态条件 3. 线程安全问题的表现形式 3.1 原子性问题 3.2 可见性问题 3.3 有序性问题 4. 实战案例：商品... -
Logic
and isEmpty not or cond ifElse allPass anyPass defaultTo both complement either propSatisfies unless when pathSatisfies until and a → b → a | b Added in v0.1.... -
9.4 Multiple figures side by side
You can place multiple figures side by side using the fig.show="hold" along with the out.width option. In the example below, we have set out.width="50%" (see Figure 9.2 for th... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy countBy (a → String) → [a] → {*} Parameters fnThe function u...
