crr121 - 博客园

摘要： from numpy import *if __name__ == '__main__': ''' flatten 用于数组 ''' a = array([[1,2,3,4,5],[3,4,5,6,7],[1,4,5,6,74],[23,4,5... 阅读全文

posted @ 2018-02-06 16:06 crr121 阅读(486) 评论(0) 推荐(0)

摘要： from numpy import *if __name__ == '__main__': a = [[1,2,3,4,5],[3,4,5,6,7],[1,4,5,6,74],[23,4,5,6,7]] for x in a: print(x... 阅读全文

posted @ 2018-02-06 15:04 crr121 阅读(179) 评论(0) 推荐(0)

摘要： from numpy import *if __name__ == '__main__': a = [[1,2,3,4,5],[3,4,5,6,7],[1,4,5,6,74],[23,4,5,6,7]] print(a[::1]) #正向开始，不取最... 阅读全文

posted @ 2018-02-06 14:53 crr121 阅读(136) 评论(0) 推荐(0)

摘要： 1、建立数据库表2、导入jar包mysql-connector-java-5.1.38.jar3、创建实体类package com.cr.jdbc;import org.apache.hadoop.io.Writable;import org.apache.hadoo... 阅读全文

posted @ 2018-02-05 19:07 crr121 阅读(471) 评论(0) 推荐(0)

摘要：参考博客：点击打开链接Hadoop连接本地数据库的时候报错Exception in thread "main" java.io.IOException: java.net.ConnectException: Call From s150/192.168.109.150... 阅读全文

posted @ 2018-02-05 19:05 crr121 阅读(608) 评论(0) 推荐(0)

摘要：环境：mysql5.7.11 + windows10 64位问题现象：使用mysql远程登录命令mysql –uroot –h192.168.1.102 –p时，报错MySQL ERROR 1130 (HY000): Host ‘XXXX’ is not a... 阅读全文

posted @ 2018-02-05 18:47 crr121 阅读(264) 评论(0) 推荐(0)

摘要：格式化的时候需要先删除所有节点的Hadoop的临时缓存目录也就是我们在core-site.xml里面配置的hadoop.tmp.dir 阅读全文

posted @ 2018-02-05 17:53 crr121 阅读(1381) 评论(1) 推荐(0)

摘要： 1、构建FP树1.1创建FP树的结构#创建FP树的数据结构#FP树的类定义class treeNode: def __init__(self, nameValue, numOccur, parentNode): self.name = nameVa... 阅读全文

posted @ 2018-02-05 17:29 crr121 阅读(143) 评论(0) 推荐(0)

摘要： bigL = [v[0] for v in sorted(headerTable.items(), key=lambda p: p[1])]#(sort header table)TypeError: '<' not supported between ins... 阅读全文

posted @ 2018-02-05 16:34 crr121 阅读(104) 评论(0) 推荐(0)

摘要：对于矩阵：import numpysimpDat = [['r', 'z', 'h', 'j', 'p'], ['z', 'y', 'x', 'w', 'v', 'u', 't', 's'], ['z'], ... 阅读全文

posted @ 2018-02-05 11:17 crr121 阅读(350) 评论(0) 推荐(0)

仰望星空脚踏实地