<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[某猿蚊常叮的博客]]></title><description><![CDATA[不是有了希望才努力，而是努力了才能看到希望]]></description><link>https://blog.youkuaiyun.com/Ruiskey</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Ruiskey]]></copyright><item><title><![CDATA[idea启动与jar包启动中使用resource资源文件路径问题总结]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/126543440</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/126543440</guid><author>Ruiskey</author><pubDate>Fri, 26 Aug 2022 14:51:08 +0800</pubDate><description><![CDATA[idea启动与jar包启动中使用resource资源文件路径问题总结]]></description><category></category></item><item><title><![CDATA[element-ui清空selection选择框]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/124793125</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/124793125</guid><author>Ruiskey</author><pubDate>Mon, 16 May 2022 09:19:20 +0800</pubDate><description><![CDATA[js置空selection选择框
this.$refs.articleTable.clearSelection();


]]></description><category></category></item><item><title><![CDATA[idea两侧的maven-project-structure图标不见了怎么办]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123838233</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123838233</guid><author>Ruiskey</author><pubDate>Wed, 30 Mar 2022 09:36:34 +0800</pubDate><description><![CDATA[问题
idea两侧的maven-project-structure图标不见了
解决办法
点一下最左下角的这个方框

让它变成这样

就可以看到了

]]></description><category></category></item><item><title><![CDATA[解决:ORA-01747: user.table.column, table.column或列说明无效]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123724014</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123724014</guid><author>Ruiskey</author><pubDate>Thu, 24 Mar 2022 22:51:45 +0800</pubDate><description><![CDATA[“ORA-01747: user.table.column, table.column 或列说明无效” 的解决方案
错误展示
springboot项目启动报错：“ORA-01747: user.table.column, table.column 或列说明无效” 的解决方案
错误原因分析
可能原因1：表的列名称使用了Oracle声明的关键字
可能原因2：SQL语句查询插入的列名的最后多了一个“,”
最终解决: 唉, 原来是批量插入多写了一个,
…
参考链接
https://www.cnblogs.com/a]]></description><category></category></item><item><title><![CDATA[springboot项目jar包启动报错:java.lang.NoClassDefFoundError:javax/xml/bind/annotation/XmlType]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123723909</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123723909</guid><author>Ruiskey</author><pubDate>Thu, 24 Mar 2022 22:47:42 +0800</pubDate><description><![CDATA[今天使用idea将项目打包运行,但是启动不起来,一查日志发现了一些奇奇怪怪的错误
报错显示
Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug’ enabled.
java.lang.NoClassDefFoundError:javax/xml/bind/annotation/XmlType
解决
加入依赖
&lt;dependency&gt;
    ]]></description><category></category></item><item><title><![CDATA[删除多个连续id的数据]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123688985</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123688985</guid><author>Ruiskey</author><pubDate>Wed, 23 Mar 2022 16:12:49 +0800</pubDate><description><![CDATA[记录一下sql批量删除，日常做业务过程中难免会生成一些空数据，脏数据，记录一下如何删除
delete from project  where objectid &gt; 2275 and objectid &lt; 2343;

设定好范围就可以了

]]></description><category></category></item><item><title><![CDATA[springboot启动报错: Failed to load property source from location ‘classpath:/application.yml‘]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123636900</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123636900</guid><author>Ruiskey</author><pubDate>Mon, 21 Mar 2022 15:29:03 +0800</pubDate><description><![CDATA[spring boot项目启动报错:Failed to load property source from location ‘classpath:/application.yml’
错误描述
01:25:43.686 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
java.lang.IllegalStateException: Failed to load property source f]]></description><category></category></item><item><title><![CDATA[解决mybatis-plus新增数据自增ID变无序]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123620561</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123620561</guid><author>Ruiskey</author><pubDate>Sun, 20 Mar 2022 20:28:18 +0800</pubDate><description><![CDATA[问题描述
今天在测试mybatis-plus时, 发现新增接口,新增出来的数据id变的巨长且无序, 经过查询,原来是实体类少了注解, 下面是未添加之前的
@Data
public class User {
    private Integer id;
    private String username;
    // 忽略,不传到前端
    @JsonIgnore
    private String password;
    private String nickname;
    privat]]></description><category></category></item><item><title><![CDATA[idea关闭右侧类显示方法]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123612023</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123612023</guid><author>Ruiskey</author><pubDate>Sun, 20 Mar 2022 13:56:15 +0800</pubDate><description><![CDATA[idea关闭右侧类显示方法
如图

鼠标右键project, 取消勾选Show Members即可

]]></description><category></category></item><item><title><![CDATA[mybatis实现模糊查询]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123611751</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123611751</guid><author>Ruiskey</author><pubDate>Sun, 20 Mar 2022 13:42:04 +0800</pubDate><description><![CDATA[记录一下mybatis实现模糊查询的实现
&lt;?xml version="1.0" encoding="UTF-8" ?&gt;
&lt;!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd"&gt;
&lt;mapper namespace="org.ruiskey.mapper.UserMapper"&gt;
  ]]></description><category></category></item><item><title><![CDATA[mybatis动态sql-新增与更新]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/123594811</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/123594811</guid><author>Ruiskey</author><pubDate>Sat, 19 Mar 2022 14:45:05 +0800</pubDate><description><![CDATA[记录一个简单的mybatis动态sql例子
新增
&lt;?xml version="1.0" encoding="UTF-8" ?&gt;
&lt;!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd"&gt;
&lt;mapper namespace="org.ruiskey.mapper.UserMapper"&gt]]></description><category></category></item><item><title><![CDATA[linux按下ctrl+shift+f12怎么办]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/121194577</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/121194577</guid><author>Ruiskey</author><pubDate>Sun, 07 Nov 2021 17:56:18 +0800</pubDate><description><![CDATA[问题描述
今天在学习idea的快捷键时, 学到了Ctrl + Shift + F12这个组合, 然后当我按下之后, 我这个Ubuntu就突然黑屏, 然后进入系统终端了, 具体描述就是黑屏, 然后一个白点闪啊闪的
解决方法
我是瞎即把按, 继续Ctrl + Shift + F11, Ctrl + Shift + F10, Ctrl + Shift + F1然后突然就进入等了页面了, 然后输入密码登录, 完事了(Yeah)
问题分析
网上查了之后说, 按下 Ctrl + Alt + F1,F2…F6 等组合键可]]></description><category></category></item><item><title><![CDATA[寻找记忆中的Java-(一)面向对象]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120819085</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120819085</guid><author>Ruiskey</author><pubDate>Mon, 18 Oct 2021 01:18:07 +0800</pubDate><description><![CDATA[文章目录封装(Encapsulation)(What)什么是封装?(Why)为什么需要封装?(How)如何封装?(Caution)封装需要注意什么总结继承(Inheritance)为什么需要继承?注意的点多态(Polymorphism)什么是多态?总结
从小就听说, 面向对象具有三大特征: 封装,继承和多态,现在18岁了, 还是不甚了解,  希望回到这18年的记忆中, 让回忆来告诉你答案
封装(Encapsulation)
首先, 作为三特征之一的封装, 我们需要问自己的记忆几个问题, (模仿郝斌老师)

]]></description><category></category></item><item><title><![CDATA[gcc编译报错unknown type name ‘bool‘]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120745214</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120745214</guid><author>Ruiskey</author><pubDate>Wed, 13 Oct 2021 15:41:56 +0800</pubDate><description><![CDATA[错误描述

unknown type name ‘bool’

最近使用C实现数据结构碰到了以下这个错误
➜  LinkedList gcc list.c 
list.c:14:1: error: unknown type name ‘bool’; did you mean ‘_Bool’?
 bool is_empty(PNODE pHead);
 ^~~~
 _Bool
list.c:77:1: error: unknown type name ‘bool’; did you mean ‘_Bool’?]]></description><category></category></item><item><title><![CDATA[解决Spring boot+Mybatis+MySQL插入中文乱码]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120496255</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120496255</guid><author>Ruiskey</author><pubDate>Sun, 26 Sep 2021 20:16:59 +0800</pubDate><description><![CDATA[问题描述
最近在学习Springboot+vue的项目时，遇到添加数据中文显示乱码

问题分析

首先怀疑mysql字符编码格式不是utf-8导致
在服务器端编码格式错误，导致存到mysql也是乱码
mybatis配置不正确，导致乱码

问题排查
1 mysql字符编码格式
首先查看建表语句

show create table position

显示
position | CREATE TABLE `position` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
]]></description><category></category></item><item><title><![CDATA[双系统ubuntu开机提示emergency mode]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120489109</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120489109</guid><author>Ruiskey</author><pubDate>Sun, 26 Sep 2021 15:01:19 +0800</pubDate><description><![CDATA[问题描述
最近，发现台式机ubuntu系统的硬盘空间有点不够用了，所以想给其扩容，但是windows系统中每个盘都放了数据，果断进入windows中将文件整理，清理出一个新的磁盘，准备挂载到ubuntu下使用，但是在将F盘格式化之后，发现进不了ubuntu系统，而是进入的emergency mode，提示
GIVE root password for maintenance (or type control-D to continue): 

问题解决
经过查阅之后，原来是系统挂载设置的问题，也就是之前的永]]></description><category></category></item><item><title><![CDATA[ubuntu磁盘扩容解决方案]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120488925</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120488925</guid><author>Ruiskey</author><pubDate>Sun, 26 Sep 2021 14:59:01 +0800</pubDate><description><![CDATA[文章目录问题描述解决方法1 window中格式化磁盘2 新建挂载点(文件夹)3 查看磁盘的UUID4 设置永久挂载5 复盘参考链接
问题描述
最近，发现台式机ubuntu系统的硬盘空间有点不够用了，所以想给其扩容，现在的思路是重新格式化一个新的磁盘，然后对这个磁盘挂在到ubuntu的home目录下即可
解决方法
1 window中格式化磁盘
首先我们在windows中格式化一个新的磁盘，格式为ntfs，然后进入linux中，输入

sudo df -h

找到你刚才格式化之后的磁盘，什么？你找不到，可以试试]]></description><category></category></item><item><title><![CDATA[ubuntu18解决vue项目-ENOSPC: System limit for number of file watchers reached异常]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120265734</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120265734</guid><author>Ruiskey</author><pubDate>Mon, 13 Sep 2021 13:51:13 +0800</pubDate><description><![CDATA[问题参考链接：https://blog.youkuaiyun.com/ccgshigao/article/details/109825037
问题介绍
最近(ubuntu18)环境学习vue写项目（vhr微人事）过程中，启动项目控制台报错：

Error: ENOSPC: System limit for number of file watchers reached

问题原因
查了一下，是linux系统的限制导致这个报错了，需要设置一下：fs.inotify.max_user_watches 这个参数
详细：

f]]></description><category></category></item><item><title><![CDATA[java连接MySql数据库Communications link failure错误分析]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/120028496</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/120028496</guid><author>Ruiskey</author><pubDate>Tue, 31 Aug 2021 22:31:26 +0800</pubDate><description><![CDATA[java连接MySql数据库Communications link failure错误分析
问题描述
最近在复习JDBC方面的知识点，测试过程中，发现通过JDBC连接MySql数据库报错，报错信息在最后，首先讲结论：

Caused by: javax.net.ssl.SSLHandshakeException

也就是数据库版本不兼容TLS协议导致
解决方法
思路：蛮力直接把ssl给去掉了，双方直接不使用ssl

jdbc:mysql://localhost:3306/xxx?useSSL=false

]]></description><category></category></item><item><title><![CDATA[getParent与getParentFile区别]]></title><link>https://blog.youkuaiyun.com/Ruiskey/article/details/118756401</link><guid>https://blog.youkuaiyun.com/Ruiskey/article/details/118756401</guid><author>Ruiskey</author><pubDate>Thu, 15 Jul 2021 11:55:17 +0800</pubDate><description><![CDATA[今天在总结JavaIO中的内容，发现下面getParentFile与getParent两个方法输出的效果一致，那么为什么要设计两个呢？
File newFile = new File("/home/rei/11");
System.out.println(newFile.exists());
System.out.println(newFile.getParentFile());
System.out.println(newFile.getParent());

console

/home/rei
/ho]]></description><category></category></item></channel></rss>