<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[为有牺牲多壮志，敢叫日月换新天]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/plazyj</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; plazyj]]></copyright><item><title><![CDATA[windows 单节点 ElasticSearch部署 及Kibana 相关]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/154650563</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/154650563</guid><author>plazyj</author><pubDate>Tue, 16 Dec 2025 13:05:31 +0800</pubDate><description><![CDATA[windows单节点ES部署]]></description><category></category></item><item><title><![CDATA[达梦配置参数优化]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/130414450</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/130414450</guid><author>plazyj</author><pubDate>Thu, 27 Apr 2023 20:22:44 +0800</pubDate><description><![CDATA[原文地址：https://eco.dameng.com/community/post/202302231113418QO7J8Q7DV4SCJKCFR。]]></description><category></category></item><item><title><![CDATA[Java读取properties内容]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/113748272</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/113748272</guid><author>plazyj</author><pubDate>Sun, 07 Feb 2021 22:05:45 +0800</pubDate><description><![CDATA[Java读取properties内容
test=ceshi

package com.zhengyj.util;
import java.io.IOException;
import java.util.Properties;

public class factory {
    
    private static Properties properties;
    
    static{
        properties = new Properties();
        try {
 ]]></description><category></category></item><item><title><![CDATA[mysql行转列  实现oracle的pivot]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/105798446</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/105798446</guid><author>plazyj</author><pubDate>Mon, 27 Apr 2020 20:22:39 +0800</pubDate><description><![CDATA[Mysql 行转列操作
有些业务中可能需要行转列操作
在oracle或者sqlserver中会有pivot完成行转列操作
mysql现有版本中没有对应，只能通过一些自定义操作来实现
比如以下语句
select *
  from (select pid, patientid, signscode, signsvalue, source,  opertime
        from compatie...]]></description><category></category></item><item><title><![CDATA[gradle]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/104687151</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/104687151</guid><author>plazyj</author><pubDate>Thu, 05 Mar 2020 23:29:33 +0800</pubDate><description><![CDATA[maven {url 'http://maven.aliyun.com/nexus/content/groups/public/'}


]]></description><category></category></item><item><title><![CDATA[百度ocr文字识别]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/103255381</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/103255381</guid><author>plazyj</author><pubDate>Tue, 26 Nov 2019 14:15:14 +0800</pubDate><description><![CDATA[package com.zoey.ocr.baidu;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.List;...]]></description><category></category></item><item><title><![CDATA[pdf to image]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/103255318</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/103255318</guid><author>plazyj</author><pubDate>Tue, 26 Nov 2019 14:13:00 +0800</pubDate><description><![CDATA[package com.funindata.ocr.baidu.Utils;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.rendering.PDFRenderer;
import org.junit.jupiter.api.Test;

import javax.imageio.ImageIO;
im...]]></description><category></category></item><item><title><![CDATA[图灵机器人调用]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/103245318</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/103245318</guid><author>plazyj</author><pubDate>Mon, 25 Nov 2019 20:42:59 +0800</pubDate><description><![CDATA[package com.zoey.cp.companiessy.utils;

import java.net.URLEncoder;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpResponse;
import org...]]></description><category></category></item><item><title><![CDATA[git 内部机制]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/102689039</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/102689039</guid><author>plazyj</author><pubDate>Tue, 22 Oct 2019 19:41:34 +0800</pubDate><description><![CDATA[在工作过程中我们会不可避免的使用Git，但是你知道Git是如何存储你的文件、如何保存你的提交信息吗？等等 了解这些也便于我们更好的理解和记忆命令，更好的排查问题和使用Git，下面就让我们来看一下吧~]]></description><category></category></item><item><title><![CDATA[Apache shiro例子]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/101799095</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/101799095</guid><author>plazyj</author><pubDate>Mon, 30 Sep 2019 23:32:48 +0800</pubDate><description><![CDATA[apache shiro例子
闲来无事看到之前写的shiro例子，传上来，
之前在一家公司接触过一个项目用到了shiro，不过那个项目是公司买来的，前后端封装的比较厉害，用着不是并那么方便，简单学习shiro后，写了个小demo。
shiro相比spring的安全框架上手要友好的多。
这是基本结构。

我使用的是spring boot ，这样方便配置，简单的写了个登陆过程。采用spring的thy...]]></description><category></category></item><item><title><![CDATA[强软弱虚---强引用、软引用、弱引用、虚引用]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/94847898</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/94847898</guid><author>plazyj</author><pubDate>Sat, 06 Jul 2019 13:13:29 +0800</pubDate><description><![CDATA[博客出自：http://blog.youkuaiyun.com/liuxian13183
1、概述
在JDK1.2以前的版本中，当一个对象不被任何变量引用，那么程序就无法再使用这个对象。也就是说，只有对象处于可触及状态，程序才能使用它。这 就像在日常生活中，从商店购买了某样物品后，如果有用，就一直保留它，否则就把它扔到垃圾箱，由清洁工人收走。一般说来，如果物品已经被扔到垃圾箱，想再 把它捡回来使用就不可能了。...]]></description><category></category></item><item><title><![CDATA[struts2获取前台jsp传值]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/90057463</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/90057463</guid><author>plazyj</author><pubDate>Fri, 10 May 2019 14:19:43 +0800</pubDate><description><![CDATA[&lt;s:iterator value="#request.Fenshulist" id="o"&gt;
	&lt;tr align='center' bgcolor="#FFFFFF" onMouseMove="javascript:this.bgColor='red';" onMouseOut="javascript:this.bgColor='#FFFFFF';" height="22"&...]]></description><category></category></item><item><title><![CDATA[Spring boot组件配置属性]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/89876129</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/89876129</guid><author>plazyj</author><pubDate>Mon, 06 May 2019 10:39:35 +0800</pubDate><description><![CDATA[请谨慎使用，可能版本会有差别！
flyway.baseline-description 执行基线时标记已有Schema的描述。
flyway.baseline-on-migrate 在没有元数据表的情况下，针对非空Schema执行迁移时是否自动调用基线。(默认值: false。) 6
flyway.baseline-version 执行基线时用来标记已有Schema的版本。(默认值:1。)
fly...]]></description><category></category></item><item><title><![CDATA[webmagic爬虫例子]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/89342999</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/89342999</guid><author>plazyj</author><pubDate>Tue, 16 Apr 2019 21:42:27 +0800</pubDate><description><![CDATA[依赖
         &lt;dependency&gt;
            &lt;groupId&gt;us.codecraft&lt;/groupId&gt;
            &lt;artifactId&gt;webmagic-core&lt;/artifactId&gt;
            &lt;version&gt;0.7.3&lt;/version&gt;
 ...]]></description><category></category></item><item><title><![CDATA[mac系统中安装mysql后，登录报错：mac ERROR 1045 (28000):]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/84402715</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/84402715</guid><author>plazyj</author><pubDate>Fri, 23 Nov 2018 19:53:43 +0800</pubDate><description><![CDATA[第一步：如果mysql服务正在进行，将之停止
第二步：在终端中以管理员权限启动mysqld_safe，命令如下
sudo /usr/local/mysql/bin/mysqld_safe --skip-grant-tables

执行结果如下：
2016-06-12T08:29:17.6NZ mysqld_safe Logging to '/usr/local/mysql/data/lyqdeMa...]]></description><category></category></item><item><title><![CDATA[Cent OS7 下配置阿里mysql]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/83653993</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/83653993</guid><author>plazyj</author><pubDate>Fri, 02 Nov 2018 16:49:45 +0800</pubDate><description><![CDATA[继开源跨平台开发框架Weex之后，阿里巴巴再次宣布另一个重大开源项目AliSQL。8月9日，在2016云栖大会·北京峰会上，阿里云宣布启动AliSQL数据库开源项目。该版本性能优于社区版MySQL 70%左右
阿里mysql git地址git地址：https://github.com/alibaba/AliSQL.git
1.因为阿里MYSQL提供的是源码，所有需要自己编译。准备最新版的gc++ ...]]></description><category></category></item><item><title><![CDATA[linux 下配置静态ip]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/83651396</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/83651396</guid><author>plazyj</author><pubDate>Fri, 02 Nov 2018 10:23:26 +0800</pubDate><description><![CDATA[本文环境为cent os 7
进入该目录
cd     /etc/sysconfig/network-scripts/


查看文件
ls


本文为centos7   所以应该修改文件为fcfg-ens33
vi ifcfg-ens33


修改为
TYPE=Ethernet
BOOTPROTP=static

DEFROUTE=yes

IPV6_FAILURE_FATAL=yes

NAME...]]></description><category></category></item><item><title><![CDATA[cent os 7 下ftp安装配置]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/83176820</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/83176820</guid><author>plazyj</author><pubDate>Fri, 19 Oct 2018 09:52:12 +0800</pubDate><description><![CDATA[1、运行yum install vsftpd命令
[root@localhost ~]# yum install vsftpd
2、完成ftp安装后，将 /etc/vsftpd/user_list文件和/etc/vsftpd/ftpusers文件中的root这一行注释掉
# root
3、执行以下命令
# setsebool -P ftpd_disable_trans=1
修改/etc/vsftp...]]></description><category></category></item><item><title><![CDATA[linux redis 搭建及测试]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/83024624</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/83024624</guid><author>plazyj</author><pubDate>Fri, 12 Oct 2018 11:38:23 +0800</pubDate><description><![CDATA[linux下redis搭建
系统配置：cent os 7
redis版本：3.2.8
1.使用命令下载redis：
wget http://download.redis.io/releases/redis-3.2.8.tar.gz


2.解压
tar zxvf redis-3.2.8.tar.gz 

3.解压后进入redis目录下
cd  redis-3.2.8

4.make
make


...]]></description><category></category></item><item><title><![CDATA[java      volatile与synchronized区别]]></title><link>https://blog.youkuaiyun.com/plazyj/article/details/83010103</link><guid>https://blog.youkuaiyun.com/plazyj/article/details/83010103</guid><author>plazyj</author><pubDate>Thu, 11 Oct 2018 11:34:37 +0800</pubDate><description><![CDATA[volatile与synchronized的区别
1、锁提供了两种主要特性：互斥（mutual exclusion） 和可见性（visibility）。
互斥即一次只允许一个线程持有某个特定的锁，因此可使用该特性实现对共享数据的协调访问协议，这样，一次就只有一个线程能够使用该共享数据。
可见性要更加复杂一些，它必须确保释放锁之前对共享数据做出的更改对于随后获得该锁的另一个线程是可见的 —— 如果没...]]></description><category></category></item></channel></rss>