u013303361的专栏

一. spark中的写CSV：方式一：val saveOptions = Map("header" -> "true", "path" -> "file:///F:/test.csv")df.repartition(1) .write.mode(SaveMode.Overwrite).format("csv") .options(saveOptions) .save()df.coalesce(1) .write.mode(SaveMode.Append).opti

步骤：一. Python环境搭建：Python官网下载Python3.7.2压缩包ZIP（注意我们一般用embeddable免安装压缩包）解压安装Python3；再安装pip：curl https://bootstrap.pypa.io/get-pip.py -o get-pip.pypython get-pip.py然后进到pycharm中使用刚下载的Python3无法pip添...