原始数据如下图: 程序: Mapper类: public class DemoMapper extends Mapper<LongWritable,Text,IntWritable,Text>{ IntWritable k = new IntWritable(); Text v = new Text(); @Override protected void map(LongWritable key,Text value,Mapper<LongWritable,Text,IntWritabl…
查看分区数据量,查看全库数据量 USE information_schema; SELECT PARTITION_NAME,TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 'sale_data'; SELECT table_name,table_rows FROM TABLES WHERE TABLE_SCHEMA = 'db_name' ORDER BY table_rows DESC ; http://my…
1.创建SEQUENCE CREATE SEQUENCE MONKEY.TEST_ADD_IDCOL_ID CACHE 100; 2.新增表栏位 ALTER TABLE MONKEY.TEST_ADD_IDCOL ADD(ID NUMBER); 3.重新编译USEDBY 4.创建trigger CREATE TRIGGER MONKEY.TRI_TEST_ADD_IDCOL BEFORE INSERT ON MONKEY.TEST_ADD_IDCOL FOR EACH ROW BEGIN SEL…
import numpy as np import matplotlib.pyplot as plt from sklearn.linear_model import LinearRegression,Ridge,Lasso from sklearn.neighbors import KNeighborsRegressor from sklearn.ensemble import ExtraTreesRegressor from sklearn.datasets import fetch_oli…
深度学习与计算机视觉(12)_tensorflow实现基于深度学习的图像补全 原文地址:Image Completion with Deep Learning in TensorFlow by Brandon Amos 原文翻译与校对:@MOLLY && 寒小阳 (hanxiaoyang.ml@gmail.com) 时间:2017年4月. 出处:http://blog.csdn.net/han_xiaoyang/article/details/70214565 声明:版权所有,转载请联系作…
