<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[weiyang5014的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/weiyang5014</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; weiyang5014]]></copyright><item><title><![CDATA[2020-02-14]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104319496</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104319496</guid><author>weiyang5014</author><pubDate>Fri, 14 Feb 2020 21:10:17 +0800</pubDate><description><![CDATA[细雨绵绵芭蕉摇
泥土芬芳浅草遮
欲明明日去何处
深陷浓雾慢慢走

]]></description><category></category></item><item><title><![CDATA[使用IDEA创建静态项目]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104280389</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104280389</guid><author>weiyang5014</author><pubDate>Wed, 12 Feb 2020 16:11:58 +0800</pubDate><description><![CDATA[1.创建static web模块

2.项目名，保存位置

3.创建HTML文件，选择HTML5版本

4.点击右上角一排浏览器按钮运行，idea会使用内置的服务器在指定的浏览器上运行。端口号是随机指定的。
5.访问地址


...]]></description><category></category></item><item><title><![CDATA[java.lang.Integer]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104265482</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104265482</guid><author>weiyang5014</author><pubDate>Tue, 11 Feb 2020 16:41:22 +0800</pubDate><description><![CDATA[java.lang.Number
|-  java.lang.Integer
Integer.MIN_VALUE----获取int最大值
Integer.toBinartString(a)//十-&gt;二 toOctalString八   toHoxString十六
Integer.toString( 60，2);转化为二进制
其他进制转
Integer.parseInt(“110”, 10) ...]]></description><category></category></item><item><title><![CDATA[java.math.BigDecimal;大小数运算]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104265413</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104265413</guid><author>weiyang5014</author><pubDate>Tue, 11 Feb 2020 16:37:34 +0800</pubDate><description><![CDATA[java.math.BigInteger;大整数
// 创建大数据
BigDecimal i = new BigDecimal(10);
BigDecimal j = new BigDecimal(10);
// 做加法运算
BigDecimal sum = i.add(j);
System.out.println(sum);        


...]]></description><category></category></item><item><title><![CDATA[java.text.DecimalFormat;数字格式化]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104265382</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104265382</guid><author>weiyang5014</author><pubDate>Tue, 11 Feb 2020 16:36:52 +0800</pubDate><description><![CDATA[#任意数字
，千分位
.小数点
0不够补0
DecimalFormat df = new DecimalFormat("###,###");
System.out.println(df.format(1234567));//1,234,567
		
//加入千分位，保留2位小数
DecimalFormat df2 = new DecimalFormat("###,###.##");
System....]]></description><category></category></item><item><title><![CDATA[使用StringBuffer，将十进制数转化为二进制数]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104263968</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104263968</guid><author>weiyang5014</author><pubDate>Tue, 11 Feb 2020 15:31:53 +0800</pubDate><description><![CDATA[不用堆栈来进制转化，而是将每次得到的数存放于StringBuffer中，直至原数为0结束循环
		int i = 4;
		StringBuffer s = new StringBuffer();
		while (i != 0) {
			s.append((i % 2));
			i = i / 2;
		}
		System.out.println(s.reverse());


...]]></description><category></category></item><item><title><![CDATA[System.getProperties()]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104262267</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104262267</guid><author>weiyang5014</author><pubDate>Tue, 11 Feb 2020 13:56:21 +0800</pubDate><description><![CDATA[//获取系统的属性信息，并存储到了Properties集合中。 properties集合中存储String类型的键和值。
//最好使用它自己的存储和取出的方法来完成元素的操作。
Properties prop = System.getProperties();
Set&lt;String&gt; nameSet = prop.stringPropertyNames();
for(String na...]]></description><category></category></item><item><title><![CDATA[C语言 如何在一个文件中调用另一个文件的函数 用头文件]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/104172101</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/104172101</guid><author>weiyang5014</author><pubDate>Tue, 04 Feb 2020 17:13:11 +0800</pubDate><description><![CDATA[test.h
#include &lt;stdio.h&gt;
int func(int x);

func.c
int func(int x)
{
    return x*x ; //返回x的平方
}

main.c
#include "test.h"
void main()
{
    int a=3;
    printf("%d\n", func(a) ); //调用func.c中的函数...]]></description><category></category></item><item><title><![CDATA[C语言  字符串的输入-输出]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/103783226</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/103783226</guid><author>weiyang5014</author><pubDate>Tue, 31 Dec 2019 15:29:42 +0800</pubDate><description><![CDATA[C语言中没有字符串类型，而是用字符数组**char a[][]**代替
单字符%c    字符串%s
法一  ：用scanf输入字符串，printf输出字符串
	char ch[5]; 
	for (int i = 0; i &lt; 5; i++)
	{
		scanf("%c", &amp;ch[i]);
	}
	for (int i = 0; i &lt; 5; i++)
	{
		prin...]]></description><category></category></item><item><title><![CDATA[pycharm --file and code templates]]></title><link>https://blog.youkuaiyun.com/weiyang5014/article/details/82883802</link><guid>https://blog.youkuaiyun.com/weiyang5014/article/details/82883802</guid><author>weiyang5014</author><pubDate>Fri, 28 Sep 2018 15:01:14 +0800</pubDate><description><![CDATA[

进入File-&amp;gt;settings-&amp;gt;框内搜索File and Code Templates-&amp;gt;Python Script
其中的模板为
#encoding:utf-8
#!/usr/bin/env python

&quot;&quot;&quot;
@version: python2.7
@author: ‘$USER‘
@license: Apache Licence 
@contact: 12234...]]></description><category></category></item></channel></rss>