文章浏览阅读410次。import java.utilimport java.util.Dateimport demo.spark.streaming.utils.RedisClientimport org.junit.{After, Before, Test}import redis.clients.jedis.{Jedis, SortingParams}/** * Created by cao o_jedis examples...
文章浏览阅读1.9k次。下载最新(2010.04)版本的Qt之后，运行QtCreator，打开其examples工程，编译，出现"main.moc: No such file or directory"错误。在网上找了一下，发现下面这个讨论http://bugreports.qt.nokia.com/browse/QTCREATORBUG-1889?focusedComme......
文章浏览阅读157次。Spark SQL supports all basic join operations available in traditional SQL, though Spark Core Joins has huge performance issues when not designed with care as it involves data shuffling across the network, in the other hand Spark SQL Joins comes with more_spark join examp......
