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来源:https://www.numpy.org/devdocs/user/quickstart.html 轴:即维度 eg. [1, 2, 1],有一个轴 [[ 1, 0, 0],[ 0, 1, 2]] ,有两个轴,第一个个轴的长度是2,第二个轴的长度是3 ndarray:numpy的数组类,也叫 阅读全文
posted @ 2019-04-24 19:44
梦醒江南·Infinite
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来源:http://spark.apache.org/docs/latest/submitting-applications.html 提交程序常用的一些选项 --class: The entry point for your application (e.g. org.apache.spark.e 阅读全文
posted @ 2019-04-24 10:35
梦醒江南·Infinite
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来源:http://spark.apache.org/docs/latest/cluster-overview.html User program built on Spark. Consists of a driver program and executors on the cluster. ( 阅读全文
posted @ 2019-04-24 10:19
梦醒江南·Infinite
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来源:https://dev.mysql.com/doc/refman/5.7/en/keywords.html 标有(R)的为保留关键字。 A ACCESSIBLE (R) ACCOUNT; added in 5.7.6 (nonreserved) ACTION ADD (R) AFTER AGA 阅读全文
posted @ 2019-04-24 00:34
梦醒江南·Infinite
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