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1、docker-compose安装neo4j 目录结构如下: 编辑docker-compose.yml version: '3' services: neo4j: image: neo4j:3.4.7 volumes: - ./conf:/var/lib/neo4j/conf #数据卷,前面是宿主 Read More
posted @ 2020-08-21 14:47 kwz Views(218) Comments(0) Diggs(0) Edit
list转map/** * List -> Map * pacs的name作为key,uniqueName作为value key重复时就覆盖更新 *Map<String, String> name_uniqueName = wordCrfDTO.getPacs().stream().filter(x Read More
posted @ 2020-08-20 17:41 kwz Views(149) Comments(0) Diggs(0) Edit
配置好的虚拟机,今天打开一看,X-Shell发现连不上了 运行 ip addr,发现ens33的网卡没有启动 解决步骤: systemctl stop NetworkManager systemctl disable NetworkManager systemctl restart network. Read More
posted @ 2020-08-20 11:12 kwz Views(2199) Comments(0) Diggs(0) Edit
解决办法: vi /etc/sysctl.conf 或者 vi /usr/lib/sysctl.d/00-system.conf 添加如下代码: net.ipv4.ip_forward=1 重启network服务 systemctl restart network 查看是否修改成功 sysctl n Read More
posted @ 2020-08-20 11:04 kwz Views(9923) Comments(0) Diggs(0) Edit
Docker的安装及使用 一:docker的介绍 1、下载docker依赖的环境 想安装docker,需要先将依赖的环境全部下载下来,就行maven依赖jdk一样 yum -y install yum-utils device-mapper-persistent-data lvm2 2、指定dock Read More
posted @ 2020-08-20 11:03 kwz Views(563) Comments(0) Diggs(0) Edit
中文插入失败 一是、没有指定连接的字符编码utf8,通常可见什么latin1什么什么的无法插入 二是、类似(1366, "Incorrect string value: '\xF0\x9F\x92\x9C\xF0\x9F...' for column 'text' at row,\xF0\x9F\x Read More
posted @ 2020-08-13 11:19 kwz Views(288) Comments(0) Diggs(0) Edit
1、获取当前目录 print(os.getcwd()) print(os.path.abspath(os.path.dirname(__file__))) 2、获取上级目录 print(os.path.abspath(os.path.dirname(os.path.dirname(__file__) Read More
posted @ 2020-08-11 20:05 kwz Views(406) Comments(0) Diggs(0) Edit
查看centos版本:cat /etc/redhat-release 例子:设置neo4j开机自启动 进入neo4j安装目录,并创建脚本start.sh和stop.sh,其中JAVA_HOME按照自己的实际路径填写 vim start.sh#!/bin/bash export JAVA_HOME=/ Read More
posted @ 2020-08-10 09:45 kwz Views(1280) Comments(0) Diggs(0) Edit
1、 MERGE (m)-[r:%s]->(n)" % (data['名称'],node_label,item,rela_name) # 新建关系 2、 'insert into {} select * from {} as b where b.ID = {} '.format("medicine_ Read More
posted @ 2020-07-31 16:53 kwz Views(106) Comments(0) Diggs(0) Edit
package test import org.apache.spark.sql.{DataFrame, ForeachWriter, Row, SparkSession} import org.apache.spark.sql.streaming.{ProcessingTime, Trigger} Read More
posted @ 2020-06-24 15:28 kwz Views(503) Comments(0) Diggs(0) Edit
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