摘要: Cassandra 阅读全文
posted @ 2017-10-19 23:56 papering 阅读(121) 评论(0) 推荐(0) 编辑
摘要: 协议 阅读全文
posted @ 2017-10-19 19:27 papering 阅读(195) 评论(0) 推荐(0) 编辑
摘要: m*n matrix m*n=1000 f(A)=25 https://www.cs.princeton.edu/courses/archive/spring12/cos598C/svdchapter.pdf finding the best k -dimensional subspace with 阅读全文
posted @ 2017-10-19 18:51 papering 阅读(230) 评论(0) 推荐(0) 编辑
摘要: https://hadoop.apache.org/docs/r1.2.1/hdfs_design.html Introduction The Hadoop Distributed File System (HDFS) is a distributed file system designed to 阅读全文
posted @ 2017-10-19 10:45 papering 阅读(295) 评论(0) 推荐(0) 编辑
摘要: hive.spark.client.rpc.sasl.mechanisms DIGEST-MD5 Name of the SASL mechanism to use for authentication. 阅读全文
posted @ 2017-10-19 09:42 papering 阅读(849) 评论(0) 推荐(0) 编辑
摘要: 损失函数+惩罚函数 2阶导数 二阶导数_百度百科 https://baike.baidu.com/item/%E4%BA%8C%E9%98%B6%E5%AF%BC%E6%95%B0/1139067 second derivative 设 ,求 和 。 [6] 解:用导数定义求解: [6] 翻译 搜索 阅读全文
posted @ 2017-10-19 08:09 papering 阅读(277) 评论(0) 推荐(0) 编辑
摘要: RAM disk 阅读全文
posted @ 2017-10-19 01:33 papering 阅读(262) 评论(0) 推荐(0) 编辑