天气预报15天查询> 其他> 如何将2进制数转换成常数

如何将2进制数转换成常数

更新时间: 2020-07-01 00:00:00     

1、正整数转成二进制:除二取余,然后倒序排列,高位补零;

2、负整数转换成二进制:将对应的正整数转换成二进制后,对二进制取反,然后对结果再加一;

3、小数转换为二进制:小数点以后的数乘以2,出现一个结果,取结果的整数部分,然后再用小数部分乘以2,取结果的整数部分,以此类推,直到小数部分为0或者位数已经够了;

关键词: 如何 转换 常数

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1910397/ | 耗时:0.2794 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1910397 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1910397 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1910397 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1782595,3027459,181098,1480219,1991288,116554,3329531,1511096,2438993,1949328,1796742,1068264,2483405,189384,3083926,263330,2882473,1123835,582893,1702030,305428,1780228,1859809,2667523,914283,1085874,731988,1315830,716761,1047827) ORDER BY field (ArticleID,1782595,3027459,181098,1480219,1991288,116554,3329531,1511096,2438993,1949328,1796742,1068264,2483405,189384,3083926,263330,2882473,1123835,582893,1702030,305428,1780228,1859809,2667523,914283,1085874,731988,1315830,716761,1047827)