# 2.2 question: given a pairRDD: [('Ana', ['A']), ('Bob', ['B']), ('Ana', ['A2'])], use mapValues or flatMapValues to get answers # ans1: [('Ana', ['A', 'plus']), ('Bob', ['B', 'plus']), ('Ana', ['A2', 'plus'])] # ans2: [('Ana', 'A'),('...
Question 温馨提示:鼠标放在英文字句上可显示中文翻译。 Let's say I have a Scala code: package com.mycompany object Helper { def process(df: DataFrame): DataFrame = { // do some processing and return processed dataframe } } Above class is packaged into a JAR and added to PySpark's ...