<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[数星星的夜晚]]></title><description><![CDATA[疏雨滴梧桐]]></description><link>https://blog.youkuaiyun.com/Z_huing</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Z_huing]]></copyright><item><title><![CDATA[cmder 分屏]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/83383512</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/83383512</guid><author>Z_huing</author><pubDate>Thu, 25 Oct 2018 17:45:19 +0800</pubDate><description><![CDATA[cmder 分成四屏

 

* -cur_console:ns1T50H  -cur_console:C:&quot;D:\Program Files\cmder_mini\icons\cmder.ico&quot; &quot;C:\WINDOWS\SYSTEM32\cmd.exe&quot;  /k &quot;&quot;%ConEmuDir%\..\init.bat&quot; &quot;

&amp;gt;* -cur_console:ns2T50H -cur_cons...]]></description><category></category></item><item><title><![CDATA[cmder命令下 管理进程，查看端口号]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/81048327</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/81048327</guid><author>Z_huing</author><pubDate>Sat, 14 Jul 2018 22:38:43 +0800</pubDate><description><![CDATA[netstat –ano ：  查看所有进程

netstat -ano|findstr “3000” ：查询占用端口的 进程号（1252）

tasklist|findstr 1252 ： 查找进程号对应的 进程名称（node.exe)

taskkill /f /t /im  node.exe ：杀死进程...]]></description><category></category></item><item><title><![CDATA[前端面试题]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80992644</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80992644</guid><author>Z_huing</author><pubDate>Tue, 10 Jul 2018 21:48:05 +0800</pubDate><description><![CDATA[
react： 
用于构建用户界面的 JavaScript 库
jQuery： 
是一个高效、精简并且功能丰富的 JavaScript 工具库
MVC:  
Model（模型）- 数据层 
View（视图）- 视图层  
Controller（控制）- 控制层
JSONP： 
（JSON with Padding），是数据格式JSON的一种“使用模式”，可以让网页从别的网域要数据
backgrou...]]></description><category></category></item><item><title><![CDATA[JavaScript数组]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80198746</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80198746</guid><author>Z_huing</author><pubDate>Sun, 17 Jun 2018 22:07:09 +0800</pubDate><description><![CDATA[ffff]]></description><category></category></item><item><title><![CDATA[Cannot find module 'webpack']]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80707220</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80707220</guid><author>Z_huing</author><pubDate>Fri, 15 Jun 2018 16:37:05 +0800</pubDate><description><![CDATA[普通文本段落的默认字体大小是16px 
字体转换公式 
将px转换为 em：pixels/16=em 
]]></description><category></category></item><item><title><![CDATA[mac常用命令]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80588932</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80588932</guid><author>Z_huing</author><pubDate>Tue, 05 Jun 2018 23:37:36 +0800</pubDate><description><![CDATA[Mac　命令：




  命令
  描述



  mkdir dirname
  创建目录


  rm -rf dirname
  删除目录


  cd dirname
  转到目录


  find *.jpg
  查找文件


  open  * (*.jpg)
  打开文件目录或使用默认程序打开内容


  cat
  显示文件内容


  pwd
  显示当前目录路径


  ls...]]></description><category></category></item><item><title><![CDATA[Validation failed for object='user'. Error count: 1]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80279985</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80279985</guid><author>Z_huing</author><pubDate>Fri, 11 May 2018 13:06:36 +0800</pubDate><description><![CDATA[在表单提交时有时候会提示 Validation failed for object=’user’. Error count: 1，其中user是表的名字，Error count是对应数据库中出错的第几个字段，解决方法有两种：


第一种 
把表单中需要提交的数据按数据库中字段的顺序提交
第二种 
在表单对应的controller中添加BindingResult 


@PostMapping(&quot;/...]]></description><category></category></item><item><title><![CDATA[React keys]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80228262</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80228262</guid><author>Z_huing</author><pubDate>Mon, 07 May 2018 17:02:51 +0800</pubDate><description><![CDATA[在数组中使用的 keys 必须在它们的同辈之间唯一。然而它们并不需要全局唯一。我们可以在操作两个不同数组的时候使用相同的 keys

function Blog(props) {
  const sidebar = (
    &amp;lt;ul&amp;gt;
      {props.posts.map((post) =&amp;gt;
        &amp;lt;li key={post.id}&amp;gt;
      ...]]></description><category></category></item><item><title><![CDATA[setInterval()函数]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80216257</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80216257</guid><author>Z_huing</author><pubDate>Sun, 06 May 2018 17:20:44 +0800</pubDate><description><![CDATA[功能：重复调用一个函数或执行一个代码段，在每次调用之间具有固定的时间延迟。

用法：两种颜色的切换

&amp;amp;amp;amp;amp;lt;!DOCTYPE html&amp;amp;amp;amp;amp;gt;
&amp;amp;amp;amp;amp;lt;html&amp;amp;amp;amp;amp;gt;
&amp;amp;amp;amp;amp;lt;head&amp;amp;amp;amp;amp;gt;
&amp;amp;amp;amp;amp;lt;meta content=]]></description><category></category></item><item><title><![CDATA[React 组件(Components) 和 属性(Props)]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80207859</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80207859</guid><author>Z_huing</author><pubDate>Sat, 05 May 2018 17:41:06 +0800</pubDate><description><![CDATA[function formatDate(date) {
  return date.toLocaleDateString();
}
function Avatar(props) {
  return (
    &amp;lt;img className=&quot;Avatar&quot; src={props.user.avatarUrl} alt= {props.user.name} /&amp;gt;
  );
}
func...]]></description><category></category></item><item><title><![CDATA[CSS单位 vh vw vmin vmax rem]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80156707</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80156707</guid><author>Z_huing</author><pubDate>Tue, 01 May 2018 15:08:45 +0800</pubDate><description><![CDATA[盒模型



* {margin:0; padding:0;}


垂直方向上的外边距会叠加
水平外边距不叠加




p {font-size:1em; margin:.75em 30px;} 


垂直间距始终会保持为字体高度的四分之三


待续...]]></description><category></category></item><item><title><![CDATA[CSS设计指南第三版]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80106734</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80106734</guid><author>Z_huing</author><pubDate>Fri, 27 Apr 2018 15:01:58 +0800</pubDate><description><![CDATA[HTML标签

&amp;amp;amp;amp;amp;amp;amp;lt;cite&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;lt;/cite&amp;amp;amp;amp;amp;amp;amp;gt;引证
&amp;amp;amp;amp;amp;amp;amp;lt;blockquote&amp;amp;amp;amp;amp;amp;amp;gt;独立引用
&amp;amp;amp;amp;amp;amp;amp;]]></description><category></category></item><item><title><![CDATA[warning: LF will be replaced by CRLF in package-lock.json.]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80050975</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80050975</guid><author>Z_huing</author><pubDate>Mon, 23 Apr 2018 15:20:26 +0800</pubDate><description><![CDATA[当是window系统下，出现以下提示时

warning: LF will be replaced by CRLF in package-lock.json. 
The file will have its original line endings in your working directory. 
设置



$ git config --global core.autocrlf true...]]></description><category></category></item><item><title><![CDATA[git常用的一些命令]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80037508</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80037508</guid><author>Z_huing</author><pubDate>Sun, 22 Apr 2018 11:42:29 +0800</pubDate><description><![CDATA[git常用的一些命令

]]></description><category></category></item><item><title><![CDATA[Undefined attribute name (th:text).]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/80012363</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/80012363</guid><author>Z_huing</author><pubDate>Thu, 19 Apr 2018 22:52:13 +0800</pubDate><description><![CDATA[在eclipse中用到thymeleaf时会提示“Undefined attribute name (th:text).”

解决办法 
1、在html标签中写



&amp;lt;html xmlns：th=&quot;http://www.thymeleaf.org&quot;&amp;gt;

2、把要取值的标签写在block标签里



&amp;lt;th:block xmlns:th=&quot;http://www.thymeleaf...]]></description><category></category></item><item><title><![CDATA[菜单树，序列化菜单]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/79862707</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/79862707</guid><author>Z_huing</author><pubDate>Mon, 09 Apr 2018 10:40:57 +0800</pubDate><description><![CDATA[之前遇到的一些题目，在这写下来，方便查看

生成菜单树

&amp;lt;script&amp;gt;
var arr = [
    {name:'学习',id: '0',parentId:null},
    {name:'看书',id: '1',parentId:'0'},
    {name:'做题',id: '2',parentId:'0'},
    {name:'苏菲的世界',id: '3',par...]]></description><category></category></item><item><title><![CDATA[MySQL一些基本语法]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/79862305</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/79862305</guid><author>Z_huing</author><pubDate>Mon, 09 Apr 2018 10:23:15 +0800</pubDate><description><![CDATA[撤销 unique 约束



alter table student drop index sno;  

创建 unique 约束



alter table student add unique(sno,cname); 

删除字段



alter table student drop column credit;  

增加字段



alter table tableName add...]]></description><category></category></item><item><title><![CDATA[hdu 2031 进制转换]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/61615148</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/61615148</guid><author>Z_huing</author><pubDate>Sun, 12 Mar 2017 11:03:05 +0800</pubDate><description><![CDATA[进制转换
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 48179    Accepted Submission(s): 26470



Problem Description

输入一个十进制数N，将它转换成R进制数]]></description><category></category></item><item><title><![CDATA[hdu 1236 排名]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/61614635</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/61614635</guid><author>Z_huing</author><pubDate>Sun, 12 Mar 2017 10:07:37 +0800</pubDate><description><![CDATA[排名
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 22906    Accepted Submission(s): 8327



Problem Description

今天的上机考试虽然有实时的Ranklist，]]></description><category></category></item><item><title><![CDATA[hdu 1004 Let the Balloon Rise]]></title><link>https://blog.youkuaiyun.com/Z_huing/article/details/58243115</link><guid>https://blog.youkuaiyun.com/Z_huing/article/details/58243115</guid><author>Z_huing</author><pubDate>Mon, 27 Feb 2017 20:30:10 +0800</pubDate><description><![CDATA[Let the Balloon Rise
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 115909    Accepted Submission(s): 45426


Problem Description
Contes]]></description><category></category></item></channel></rss>