<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_15098623的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_15098623</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_15098623]]></copyright><item><title><![CDATA[使用s3cmd命令工具创建s3 bucket]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/133747600</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/133747600</guid><author>qq_15098623</author><pubDate>Tue, 10 Oct 2023 15:30:53 +0800</pubDate><description><![CDATA[macos系统使用brew安装s3cmd。]]></description><category></category></item><item><title><![CDATA[BFS算法模板]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/131586661</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/131586661</guid><author>qq_15098623</author><pubDate>Thu, 06 Jul 2023 22:38:11 +0800</pubDate><description><![CDATA[BFS算法模板。]]></description><category></category></item><item><title><![CDATA[RSA数据加密与数字签名]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/127761020</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/127761020</guid><author>qq_15098623</author><pubDate>Wed, 09 Nov 2022 00:14:51 +0800</pubDate><description><![CDATA[数据加密，数字签名]]></description><category></category></item><item><title><![CDATA[python 编码]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/126952581</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/126952581</guid><author>qq_15098623</author><pubDate>Tue, 20 Sep 2022 14:28:57 +0800</pubDate><description><![CDATA[python 编码]]></description><category></category></item><item><title><![CDATA[proto plugin]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/126952549</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/126952549</guid><author>qq_15098623</author><pubDate>Tue, 20 Sep 2022 14:28:01 +0800</pubDate><description><![CDATA[proto plugin]]></description><category></category></item><item><title><![CDATA[java8 中的字符串常量池]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/104940807</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/104940807</guid><author>qq_15098623</author><pubDate>Wed, 18 Mar 2020 11:30:55 +0800</pubDate><description><![CDATA[java8 中的字符串常量池
前提，使用new创建String对象，先检查常量池中有没有值，没有现在常量池中创建该值，在创建对象实例，
但是需要注意的是，对象实例中的值和常量池中的两个值是独立的不同的两个东西。
//常量池中创建abc与cde的字面量(两个)，堆中创建三个对象，值分别为（abc,cde,abccde ）
        String a = new String("abc")+ne...]]></description><category></category></item><item><title><![CDATA[Spring事务传播]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103898220</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103898220</guid><author>qq_15098623</author><pubDate>Wed, 08 Jan 2020 21:05:40 +0800</pubDate><description><![CDATA[原文：https://blog.youkuaiyun.com/soonfly/article/details/70305683事务传播行为什么叫事务传播行为？听起来挺高端的，其实很...]]></description><category></category></item><item><title><![CDATA[从输入url到页面展示到底发生了什么]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103564521</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103564521</guid><author>qq_15098623</author><pubDate>Mon, 16 Dec 2019 16:02:04 +0800</pubDate><description><![CDATA[阅读目录
1、输入地址
2、浏览器查找域名的 IP 地址　　
3、浏览器向 web 服务...]]></description><category></category></item><item><title><![CDATA[Springboot报错：Failed to instantiate [java.util.List]: Specified class is an interface]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103433291</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103433291</guid><author>qq_15098623</author><pubDate>Sat, 07 Dec 2019 10:59:39 +0800</pubDate><description><![CDATA[报错代码
@GetMapping("getAttrValueListByValueIds")
    public List&lt;PmsBaseAttrInfo&gt; getAttrValueListByValueIds(Set&lt;String&gt; valueIdSet){
        return attrService.getAttrValueListByValueIds(va...]]></description><category></category></item><item><title><![CDATA[Elasticsearch常用基本语法]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103413188</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103413188</guid><author>qq_15098623</author><pubDate>Thu, 05 Dec 2019 21:51:57 +0800</pubDate><description><![CDATA[原文链接：http://www.dubby.cn/detail.html?id=9077
数据基本操作
在Elasticsearch中...]]></description><category></category></item><item><title><![CDATA[Linux 下安装elasticsearch两个大坑]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103395122</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103395122</guid><author>qq_15098623</author><pubDate>Wed, 04 Dec 2019 21:56:04 +0800</pubDate><description><![CDATA[网上很少有此坑解决办法
坑一
重要的事说三遍，如果自己当前用户不是root用户，不用创建新用户，不用创建新用户，不用创建新用户，看网上的博客上来就让创建新用户，结果被坑了一晚上，不是不能创建新用户，而是创建新用户之后，elasticsearch在新用户里，java安装在原来的用户里，引用不过来，根据网上的博客又是改配置文件，又是创建软连接，但是没有卵用，死活找不到java，所以就是你java安装在...]]></description><category></category></item><item><title><![CDATA[Maven的继承问题]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103344834</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103344834</guid><author>qq_15098623</author><pubDate>Mon, 02 Dec 2019 10:51:31 +0800</pubDate><description><![CDATA[maven和Java一样都是单继承机制，也就是在maven的pom文件中也能有一个parent标签（一个父类)
然后父类通过depen...]]></description><category></category></item><item><title><![CDATA[Linux下配置带nginx的fastdfs]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103334106</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103334106</guid><author>qq_15098623</author><pubDate>Sun, 01 Dec 2019 13:02:51 +0800</pubDate><description><![CDATA[本文原文链接：https://blog.youkuaiyun.com/wgp15732622312/article/details/78822218
                    

&nbsp; &nbsp; 工具准备：&nbsp;

&nbsp; &nbsp; &nbsp;CentOS 6.5

&nbsp; &nbsp; &nbsp;fastd...]]></description><category></category></item><item><title><![CDATA[idea中使用mybatis generator逆向工程生成model、mapper以及xml]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/103308860</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/103308860</guid><author>qq_15098623</author><pubDate>Fri, 29 Nov 2019 13:37:52 +0800</pubDate><description><![CDATA[idea中使用mybatis generator逆向工程生成model、mapper以及xml
配置pom文件
pom文件中添加插件，用于生成代码
&lt;plugin&gt;
				&lt;groupId&gt;org.mybatis.generator&lt;/groupId&gt;
				&lt;artifactId&gt;mybatis-generator-maven-plugin&l...]]></description><category></category></item><item><title><![CDATA[Centos使用rpm安装Mysql]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/102964376</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/102964376</guid><author>qq_15098623</author><pubDate>Thu, 07 Nov 2019 22:37:13 +0800</pubDate><description><![CDATA[Centos使用rpm安装Mysql下载RedHat版本rpm安装包详细步骤
下载RedHat版本rpm安装包
因为官网没有Centos版本的rpm安装包，所以选择下载RedHat版本的rpm安装包，效果是一样的。
详细步骤

下载链接 https://dev.mysql.com/downloads/mysql/
选择mysql版本，操作系统以及操作系统版本，这里操作系统选择RedHat，操作系统...]]></description><category></category></item><item><title><![CDATA[本地主机客户端访问不了VMware虚拟机里的服务器]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/102798128</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/102798128</guid><author>qq_15098623</author><pubDate>Tue, 29 Oct 2019 13:53:26 +0800</pubDate><description><![CDATA[环境：
1、虚拟机中安装了CentOS，虚拟机使用NAT的方式
2、在CentOS中安装了APACHE 并且使用 http://127.0.0.1可以正常访问，通过ifconfig查到IP地址是 192.168.43.128，能在WINDOWS中PING通192.168.43.128 并且使用SSH Secu...]]></description><category></category></item><item><title><![CDATA[pyspark使用GraphFrames报错]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/91533349</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/91533349</guid><author>qq_15098623</author><pubDate>Wed, 12 Jun 2019 15:11:53 +0800</pubDate><description><![CDATA[pyspark运行GraphFrames报错：java.lang.ClassNotFoundException: org.graphframes.GraphFramePythonAPI
原因
缺少相关依赖jar包
解决办法
1.下载相关jar包
2.配置环境
具体步骤

下载依赖jar包 ：进入下载网站https://spark-packages.org/，选择Graph，然后选择graphfra...]]></description><category></category></item><item><title><![CDATA[centos 如何安装 python3]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/90943248</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/90943248</guid><author>qq_15098623</author><pubDate>Wed, 05 Jun 2019 21:08:13 +0800</pubDate><description><![CDATA[centos 如何安装 python3
安装wget
yum -y  install wget
使用wget下载python源代码编译并安装

使用wget下载python源代码 ：wget https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tar.xz（这里以python3.5为例）；
解压xz文件 ：xz -d Python-3.5.0....]]></description><category></category></item><item><title><![CDATA[centos 如何安装 pip（解决No package python-pip available问题）]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/90905230</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/90905230</guid><author>qq_15098623</author><pubDate>Wed, 05 Jun 2019 16:54:41 +0800</pubDate><description><![CDATA[centos 如何安装 pip（解决No package python-pip available问题）
无效的方法
centos安装pip，网上查的方法都是互相抄袭，不顶用，没有实际试验过，就发布。
下面是大多数网友给出的不靠谱的方法：
yum install -y epel-release
yum install -y python-pip
真正的方法
在网上看了一个大牛发布的帖子，实际试验过...]]></description><category></category></item><item><title><![CDATA[HBase踩坑记录一]]></title><link>https://blog.youkuaiyun.com/qq_15098623/article/details/88824350</link><guid>https://blog.youkuaiyun.com/qq_15098623/article/details/88824350</guid><author>qq_15098623</author><pubDate>Tue, 26 Mar 2019 16:52:49 +0800</pubDate><description><![CDATA[HBase启动没反应，jps查看HMaster，HRegionserver均没有启动

作者：dait
来源：优快云
原文：https://blog.youkuaiyun.com/u014793282/article/details/53991347
版权声明：本文为博主原创文章，转载请附上博文链接！
原因：
查看日志发现报错
java.lang.NoClassDefFoundError: org/apac...]]></description><category></category></item></channel></rss>