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spark 2.1.1 一 启动命令 启动spark thrift命令 $SPARK_HOME/sbin/start-thriftserver.sh 然后会执行 org.apache.spark.deploy.SparkSubmit --class org.apache.spark.sql.hive 阅读全文
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spark 2.1.1 spark里执行sql报错 insert overwrite table test_parquet_table select * from dummy 报错如下: org.apache.spark.SparkException: Task failed while writi 阅读全文
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python应用通常需要一些库,比如numpy、pandas等,安装也很简单,直接通过pip # pip install numpyRequirement already satisfied: numpy in /export/App/anaconda2/lib/python2.7/site-pac 阅读全文
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免费股票行情接口: A股 1 sina 新浪js接口 http://hq.sinajs.cn/list=sh600001 返回 var hq_str_sh600011="华能国际,7.390,7.420,7.230,7.500,7.110,7.210,7.230,24257738,174459225 阅读全文
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maven编译工程报错 [ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:3.2.2:add-source (scala-compile-first) on project trade: Execution sc 阅读全文