<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qqCEM的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qqCEM</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qqCEM]]></copyright><item><title><![CDATA[elementui的tab和动态组件一起使用的时候卡住]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/122417788</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/122417788</guid><author>qqCEM</author><pubDate>Mon, 10 Jan 2022 19:46:43 +0800</pubDate><description><![CDATA[modal中使用tab和动态组件的时候关闭modal导致浏览器卡死]]></description><category></category></item><item><title><![CDATA[apache common.io的copyFile报错directory cannot be created]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/113130064</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/113130064</guid><author>qqCEM</author><pubDate>Mon, 25 Jan 2021 18:33:19 +0800</pubDate><description><![CDATA[定位问题

可以看到是以下位置源码报错


public static void copyFile(File srcFile, File destFile, boolean preserveFileDate) throws IOException {
        checkFileRequirements(srcFile, destFile);
        if (srcFile.isDirectory()) {
            throw new IOException("Source ']]></description><category></category></item><item><title><![CDATA[配置国内镜像]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/105629304</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/105629304</guid><author>qqCEM</author><pubDate>Mon, 20 Apr 2020 10:43:26 +0800</pubDate><description><![CDATA[yarn:

配置阿里源


yarn config set registry https://registry.npm.taobao.org --global

yarn config set disturl https://npm.taobao.org/dist --global


]]></description><category></category></item><item><title><![CDATA[hdfs磁盘剩余空间少如何处理]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/104009503</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/104009503</guid><author>qqCEM</author><pubDate>Thu, 16 Jan 2020 18:40:34 +0800</pubDate><description><![CDATA[hdfs dfs -du -h / 查看每个文件夹所占用的空间
	删除占空间较大的文件
]]></description><category></category></item><item><title><![CDATA[磁盘满导致ambari服务无法启动，网络无法连接]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/104009024</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/104009024</guid><author>qqCEM</author><pubDate>Thu, 16 Jan 2020 18:06:34 +0800</pubDate><description><![CDATA[CentOS系统的ECS实例重启后无法远程登录

问题描述

ECS实例重启后，网络不通，无法远程登录。

问题原因

ECS实例的/etc/init.d/functions文件丢失。

解决方案


	登录服务器，执行如下命令，查看网卡状态。

	
systemctl status network.service


	系统显示类似如下，确认网卡没有启动。

	
	
	
	执行如下命令，启动网卡...]]></description><category></category></item><item><title><![CDATA[vscode不显示react的代码提示]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/103787151</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/103787151</guid><author>qqCEM</author><pubDate>Tue, 31 Dec 2019 17:57:17 +0800</pubDate><description><![CDATA[首先你要安装提示插件

然后还没有提示，需要改在线服务设置
在typescript中勾选禁用自动类型获取
]]></description><category></category></item><item><title><![CDATA[git代码合并步骤及冲突解决]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/103427247</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/103427247</guid><author>qqCEM</author><pubDate>Fri, 06 Dec 2019 17:46:22 +0800</pubDate><description><![CDATA[1.提交代码步骤

1.1对于master分支


git stash缓存当前的改动
git reset --hard放弃当前的改动(慎用)
git pull更新代码
git stash pop
解决冲突
git add .
git commit -m 'description'
git push

1.2 对于其他分支


git chechout -b dev创建分支
git push ori...]]></description><category></category></item><item><title><![CDATA[react跨域]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/103115495</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/103115495</guid><author>qqCEM</author><pubDate>Sun, 17 Nov 2019 23:33:05 +0800</pubDate><description><![CDATA[在Package.json中添加下列配置可以将请求全部转发到3000端口


]]></description><category></category></item><item><title><![CDATA[flask跨域]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/102933219</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/102933219</guid><author>qqCEM</author><pubDate>Wed, 06 Nov 2019 13:25:05 +0800</pubDate><description><![CDATA[flask跨域请求三行代码搞定

flask跨域请求三行代码就可以搞定。但是请注意几点：

　　第一：只能返回json格式数据，比如list、ndarray等都不可以

　　第二：返回的对象必须是是字符串、元组、响应实例或WSGI可调用。

　　python代码：


# coding:utf-8
from flask import Flask
import json
from flask_cor...]]></description><category></category></item><item><title><![CDATA[docker for windows安装(win10家庭版，企业版可以直接使用docker for desktop)]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/102880800</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/102880800</guid><author>qqCEM</author><pubDate>Sun, 03 Nov 2019 11:53:15 +0800</pubDate><description><![CDATA[目录

1.下载docker安装包

1.1打开官方文档

1.2从step2中进入toolbox安装包获取页面

1.3获取安装包

1.4自定义安装，不清楚的建议全部安装

2.配置并启动docker

2.1配置docker虚拟机

2.2启动docker Quickstart

1.下载docker安装包

1.1打开官方文档

https://docs.docker.com/v18.09...]]></description><category></category></item><item><title><![CDATA[USB3.0接口与2.0速度一样]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/102688995</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/102688995</guid><author>qqCEM</author><pubDate>Tue, 22 Oct 2019 19:33:04 +0800</pubDate><description><![CDATA[1.关闭电源选项的快速重启

2.将usb3.0插在电脑上重启电脑
]]></description><category></category></item><item><title><![CDATA[问题记录]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/102476412</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/102476412</guid><author>qqCEM</author><pubDate>Thu, 10 Oct 2019 10:37:40 +0800</pubDate><description><![CDATA[hdp在远程连接的时候配置文件读取错误，可能是hadoop-env.sh没有复制出来的原因，导致有些变量无法读取到
]]></description><category></category></item><item><title><![CDATA[highcharts动态获取数据]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/101515910</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/101515910</guid><author>qqCEM</author><pubDate>Fri, 27 Sep 2019 10:22:46 +0800</pubDate><description><![CDATA[&lt;!DOCTYPE HTML&gt;
&lt;html&gt;

&lt;head&gt;
    &lt;meta charset="utf-8"&gt;
    &lt;link rel="icon" href="https://jscdn.com.cn/highcharts/images/favicon.ico"&gt;
    &lt;meta name="viewport" co...]]></description><category></category></item><item><title><![CDATA[golang的make文件]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/100693712</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/100693712</guid><author>qqCEM</author><pubDate>Tue, 10 Sep 2019 11:28:56 +0800</pubDate><description><![CDATA[all:
    go build -o zproxy.exe main.go

linux: setcgo setgoos setgoarch
    go build -o zproxy main.go

setcgo:
    SET "CGO_ENABLED=0"

setgoos:
    SET "GOOS=linux"

setgoarch:
  ...]]></description><category></category></item><item><title><![CDATA[zabbix数据导入大数据平台]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/100669411</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/100669411</guid><author>qqCEM</author><pubDate>Mon, 09 Sep 2019 17:50:48 +0800</pubDate><description><![CDATA[安装sqoop

安装包移动到HDFS可用节点的/software目录下

解压


cd /software
tar -zxvf sqoop-1.4.6.bin__hadoop-2.0.4-alpha.tar.gz 

配置文件


cd sqoop-1.4.6.bin__hadoop-2.0.4-alpha/conf/
​
mv sqoop-env-template.sh sqoop-env...]]></description><category></category></item><item><title><![CDATA[golang时间戳转日期]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/100136558</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/100136558</guid><author>qqCEM</author><pubDate>Thu, 29 Aug 2019 14:06:29 +0800</pubDate><description><![CDATA[package handler

import (
	"fmt"
	"time"
)

func Timastamp2Date() {

//构造时间戳
    timestamp := int64(1564035531)

    //转化所需模板
timeLayout := "2006-01-02 15:04:05" 
    
    //进行格式化
datetim...]]></description><category></category></item><item><title><![CDATA[docker-compose离线安装zabbix启动不了，mysql报错zabbix.user有问题]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/98904274</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/98904274</guid><author>qqCEM</author><pubDate>Fri, 09 Aug 2019 00:48:21 +0800</pubDate><description><![CDATA[可能是配置有误，首先修改vim .env_srv当中的数据

然后进入mysql当中删除掉当前数据库中的zabbix数据库

修改启动文件我的是test.yaml中的zabbix-server的DBServerHost为127.0.0.1，为localhost可能会有问题，未验证

然后重启
...]]></description><category></category></item><item><title><![CDATA[mapreduce任务提交后不报错，卡在Running Job不执行]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/98631886</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/98631886</guid><author>qqCEM</author><pubDate>Tue, 06 Aug 2019 16:51:10 +0800</pubDate><description><![CDATA[1.可能是磁盘容量占用过高

解决方法:

1.硬盘扩容，参考

https://blog.youkuaiyun.com/u013431916/article/details/80548069

2.配置yarn-site.xml配置文件


&lt;property&gt;
    &lt;name&gt;yarn.nodemanager.disk-health-checker.max-disk-util...]]></description><category></category></item><item><title><![CDATA[使用golang发送post请求]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/97395039</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/97395039</guid><author>qqCEM</author><pubDate>Fri, 26 Jul 2019 16:29:46 +0800</pubDate><description><![CDATA[这里使用golang发送post请求获取zabbix API的token





package main



import (

"bytes"

"fmt"

"io/ioutil"

"net/http"

)



func httpPostJson() {

    jsonStr :=[]byte(`{"jsonrpc": "2.0",

    ...]]></description><category></category></item><item><title><![CDATA[网络经常断开连接，DNS无法找到，vmware虚拟机不能联网]]></title><link>https://blog.youkuaiyun.com/qqCEM/article/details/93420619</link><guid>https://blog.youkuaiyun.com/qqCEM/article/details/93420619</guid><author>qqCEM</author><pubDate>Sun, 23 Jun 2019 23:29:30 +0800</pubDate><description><![CDATA[host文件错误可能是因为银联插件的原因，卸载即可解决
被拦截可能是因为需要关闭vmhosted服务
windows查看vmwareNATservice打不开就恢复默认网卡配置，重新配IP
...]]></description><category></category></item></channel></rss>