<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[u010548619的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/u010548619</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u010548619]]></copyright><item><title><![CDATA[js递归的坑爹地方]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/130428119</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/130428119</guid><author>u010548619</author><pubDate>Fri, 28 Apr 2023 16:03:34 +0800</pubDate><description><![CDATA[一定要拿出来 否则自身就加1了 坑比的玩意儿。]]></description><category></category></item><item><title><![CDATA[js arguments 函数]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/121452307</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/121452307</guid><author>u010548619</author><pubDate>Sun, 21 Nov 2021 17:22:17 +0800</pubDate><description><![CDATA[在使用默认参数时，arguments 对象的值不反映参数的默认值，只反映传给函数的参数。当然，
跟 ES5 严格模式一样，修改命名参数也不会影响 arguments 对象，它始终以调用函数时传入的值为准：
function makeKing(name = 'Henry') {
name = 'Louis';
return `King ${arguments[0]}`;
}
console.log(makeKing()); // 'King undefined

console.log(makeK...]]></description><category></category></item><item><title><![CDATA[js 格式化日期字符串]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/104590341</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/104590341</guid><author>u010548619</author><pubDate>Sun, 01 Mar 2020 12:49:59 +0800</pubDate><description><![CDATA[function getMyDate(str) {
var oDate = new Date(str),
 oYear = oDate.getFullYear(),
 oMonth = oDate.getMonth()+1,
 oDay = oDate.getDate(),
 oHour = oDate.getHours(),
 ...]]></description><category></category></item><item><title><![CDATA[java 多线程 原子性和可见性]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/101944391</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/101944391</guid><author>u010548619</author><pubDate>Wed, 02 Oct 2019 22:26:49 +0800</pubDate><description><![CDATA[原子性描述的是一个线程对共享变量的更新，从另一个线程的角度来看他要么完成了要么未发生，而不是进行中的一个状态

可见性描述的是一个线程对共享变量的更新，对于另一个线程而言是否可见
...]]></description><category></category></item><item><title><![CDATA[将weka分类决策树用echart进行web可视化]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/89028408</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/89028408</guid><author>u010548619</author><pubDate>Thu, 04 Apr 2019 16:50:18 +0800</pubDate><description><![CDATA[public static void main(String[] args) {
    	String data = "digraph J48Tree {\n" +
    			"N0 [label=\"PVC烤箱（七点）\" ]\n" +
    			"N0-&gt;N1 [label=\"&lt;= 212.1\"]\n" +
    			"N1 [label=\"合格 (1975....]]></description><category></category></item><item><title><![CDATA[强引用、软引用、弱引用、幻象引用有什么区别？]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/84202501</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/84202501</guid><author>u010548619</author><pubDate>Sun, 18 Nov 2018 17:35:47 +0800</pubDate><description><![CDATA[1 强引用
特点：我们平常典型编码Object obj = new Object()中的obj就是强引用。通过关键字new创建的对象所关联的引用就是强引用。 当JVM内存空间不足，JVM宁愿抛出OutOfMemoryError运行时错误（OOM），使程序异常终止，也不会靠随意回收具有强引用的“存活”对象来解决内存不足的问题。对于一个普通的对象，如果没有其他的引用关系，只要超过了引用的作用域或者显式...]]></description><category></category></item><item><title><![CDATA[时间空间复杂度]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82961514</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82961514</guid><author>u010548619</author><pubDate>Sun, 07 Oct 2018 21:18:37 +0800</pubDate><description><![CDATA[一、什么是复杂度分析？
1.数据结构和算法解决是“如何让计算机更快时间、更省空间的解决问题”。
2.因此需从执行时间和占用空间两个维度来评估数据结构和算法的性能。
3.分别用时间复杂度和空间复杂度两个概念来描述性能问题，二者统称为复杂度。
4.复杂度描述的是算法执行时间（或占用空间）与数据规模的增长关系。
二、为什么要进行复杂度分析？
1.和性能测试相比，复杂度分析有不依赖执行环境、成本低、效率高...]]></description><category></category></item><item><title><![CDATA[java 冒泡排序]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82798182</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82798182</guid><author>u010548619</author><pubDate>Fri, 21 Sep 2018 10:49:25 +0800</pubDate><description><![CDATA[int[] a = {4,3,2,5,1};
        
        /for(int i = 0 ; i &amp;lt; a.length-1 ; i++){
            for(int j = 0 ; j&amp;lt; a.length-1-i ; j++){
                int b = a[j];
                int c = a[j+1];
...]]></description><category></category></item><item><title><![CDATA[mysql 建立视图]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82781410</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82781410</guid><author>u010548619</author><pubDate>Thu, 20 Sep 2018 09:34:31 +0800</pubDate><description><![CDATA[CREATE OR REPLACE VIEW V_HOS_EXPENSE
(advice_id, client_id, sickroom, org_id, code, med_name, med_nname, unit_per, medicare, med_seqid, advice_property, doc_id, amount, send_num, med_price, advice_cat...]]></description><category></category></item><item><title><![CDATA[css 清除浮动的方法]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82765083</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82765083</guid><author>u010548619</author><pubDate>Tue, 18 Sep 2018 22:07:11 +0800</pubDate><description><![CDATA[
第一种方法
.clearfix:before,.clearfix:after{
				content: &quot;&quot;;
				display: table;
			}
			.clearfix:after{
				clear:both;
			}
			.clearfix{
				*zoom:1;
			}



第二种方法：
.clearfix:after{
				content: &quot;&quot;;
...]]></description><category></category></item><item><title><![CDATA[js 毫秒数 格式化 成人能一目了然的。。。]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82752577</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82752577</guid><author>u010548619</author><pubDate>Tue, 18 Sep 2018 09:57:56 +0800</pubDate><description><![CDATA[
function viewUser(userId,orgId){
	var ztree = {
		&quot;userId&quot;:userId,
		&quot;orgId&quot;:orgId
	};
	var ztreeStr = JSON.stringify(ztree)
	$.ajax({
		url:apiUrl+&quot;/buaUser/getUserInfo&quot;,
		type:&quot;POST&quot;,
		dataType:&quot;...]]></description><category></category></item><item><title><![CDATA[程序报错 concurrent exception 之类的错误]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/82115985</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/82115985</guid><author>u010548619</author><pubDate>Mon, 27 Aug 2018 17:11:24 +0800</pubDate><description><![CDATA[List&amp;lt;Map&amp;lt;String, Object&amp;gt;&amp;gt; list = myBuaUserMapper.selectQueryPageUser(map);
        for(Map&amp;lt;String, Object&amp;gt; mapList : list){
            Set&amp;lt;Entry&amp;lt;String, Object&amp;gt;&amp;gt; set=map...]]></description><category></category></item><item><title><![CDATA[如何编写oracle 自定义函数]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/81699038</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/81699038</guid><author>u010548619</author><pubDate>Wed, 15 Aug 2018 10:03:37 +0800</pubDate><description><![CDATA[create or replace function isHaveChildren (v_pricelistid in varchar2)
return number is
PRICELIST_SEQID number;
rate number := 0;
ret number;
v_sql varchar(2000);
begin
v_sql := ' select count(d.PRICEL...]]></description><category></category></item><item><title><![CDATA[解决js运算精度丢失问题]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/81083045</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/81083045</guid><author>u010548619</author><pubDate>Tue, 17 Jul 2018 16:02:12 +0800</pubDate><description><![CDATA[

//解决js运算精度丢失问题  加法
jQuery.add = function(arg1, arg2) {
    var r1, r2, m;
    try { r1 = arg1.toString().split(&quot;.&quot;)[1].length } catch (e) { r1 = 0 }
    try { r2 = arg2.toString().split(&quot;.&quot;)[1].leng...]]></description><category></category></item><item><title><![CDATA[oracle 函数 如何编写]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80987718</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80987718</guid><author>u010548619</author><pubDate>Tue, 10 Jul 2018 16:15:31 +0800</pubDate><description><![CDATA[创建函数的基本格式 create or replace function 函数名称(参数1 ，参数2) return 参数类型 is

create or replace function getPreferentialPrice (priceRet in number,clientId in varchar2,dd_outp_class in varchar2)
return number is...]]></description><category></category></item><item><title><![CDATA[maven项目中 引用el表达式]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80495076</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80495076</guid><author>u010548619</author><pubDate>Tue, 29 May 2018 13:29:49 +0800</pubDate><description><![CDATA[1：添加maven依赖 &amp;lt;dependency&amp;gt;
            &amp;lt;groupId&amp;gt;taglibs&amp;lt;/groupId&amp;gt;
            &amp;lt;artifactId&amp;gt;standard&amp;lt;/artifactId&amp;gt;
            &amp;lt;version&amp;gt;1.1.2&amp;lt;/version&amp;gt;
        &am]]></description><category></category></item><item><title><![CDATA[Java把图片变成二进制 前端显示出来]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80399292</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80399292</guid><author>u010548619</author><pubDate>Mon, 21 May 2018 22:44:21 +0800</pubDate><description><![CDATA[/**	 * @author	 	yzh	 * @date 		2018年5月21日 22:01:53	 * @description 附件缩略图	 */	@Override	public String ShowAttachment(HttpServletRequest request,HttpServletResponse response,String AttachID) {		 	try {...]]></description><category></category></item><item><title><![CDATA[将字符串写入文本文件]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80346057</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80346057</guid><author>u010548619</author><pubDate>Thu, 17 May 2018 09:25:17 +0800</pubDate><description><![CDATA[public static void writeBytesToFile() throws IOException{          String s = &quot;aaaaaaaa&quot;;          byte[] bs= s.getBytes();          OutputStream out = new FileOutputStream(&quot;D:/aaa/&quot;);          InputS...]]></description><category></category></item><item><title><![CDATA[根据地址中的参数获取值]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80320013</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80320013</guid><author>u010548619</author><pubDate>Tue, 15 May 2018 11:03:02 +0800</pubDate><description><![CDATA[两种方法第一种：function getHrefParam(key) {	var s = window.location.href;	var reg = new RegExp(key + &quot;=\\w+&quot;);	var rs = reg.exec(s);	if (rs == null) {		return &quot;&quot;;	} else {		return rs[0].split(&quot;=&quot;)[1];	}}第二种：...]]></description><category></category></item><item><title><![CDATA[mybati二级缓存适用场景]]></title><link>https://blog.youkuaiyun.com/u010548619/article/details/80113585</link><guid>https://blog.youkuaiyun.com/u010548619/article/details/80113585</guid><author>u010548619</author><pubDate>Fri, 27 Apr 2018 21:23:34 +0800</pubDate><description><![CDATA[]]></description><category></category></item></channel></rss>