<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[X_Beginning的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/X_Beginning</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; X_Beginning]]></copyright><item><title><![CDATA[二进制的加法减法运算]]></title><link>https://blog.youkuaiyun.com/X_Beginning/article/details/130068065</link><guid>https://blog.youkuaiyun.com/X_Beginning/article/details/130068065</guid><author>X_Beginning</author><pubDate>Mon, 10 Apr 2023 19:42:56 +0800</pubDate><description><![CDATA[(二进制的减法运算也可以等于加法运算，计算机一般只进行加法运算，他将乘法除法都变为了加法运算，本质上，乘法是加法运算，除法是减法运算)其实就是要保留最右边的二进制数1后二进制1右边的数字，其他的位按位取反，从而快速的得到补码进行减法运算。进1后，1+1+1，为3，余1进1，变为1。进1后，0+1+1，为2，余0进1，变为0。进1后，0+1+1，为2，余0进1，变为0。进1后，0+1+1，为2，余0进1，变为0。进1后，0+1+1，为2，余0进1，变为0。进1后，0+1+1，为2，余0进1，变为0。]]></description><category></category></item><item><title><![CDATA[oracle sqlplus输入scott/tiger报错:the account is locked的解决办法]]></title><link>https://blog.youkuaiyun.com/X_Beginning/article/details/129019472</link><guid>https://blog.youkuaiyun.com/X_Beginning/article/details/129019472</guid><author>X_Beginning</author><pubDate>Tue, 14 Feb 2023 00:12:21 +0800</pubDate><description><![CDATA[oracle sqlplus输入scott/tiger报错:the account is locked的解决办法]]></description><category></category></item><item><title><![CDATA[【VS2019编辑器第一行默认添加：#define _CRT_SECURE_NO_WARNINGS 1\使用scanf函数报错 解决方案\创建源文件第一行不出现#define _CRT_SECURE】]]></title><link>https://blog.youkuaiyun.com/X_Beginning/article/details/125397086</link><guid>https://blog.youkuaiyun.com/X_Beginning/article/details/125397086</guid><author>X_Beginning</author><pubDate>Tue, 21 Jun 2022 19:39:09 +0800</pubDate><description><![CDATA[#define _CRT_SECURE_NO_WARNINGS 1]]></description><category></category></item></channel></rss>