geng ju nide xu yao ,ke yi suibian cha zhao ni xiang yao zhao de shu zi dang meiyou chazhoadao shi ,ye hui gei ti shi
标签: zhao chazhoadao yao suibian
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程序:防止输入抖动程序。 作者:赵相如 语言:C 日期:2009-04-03 联系:zhao-xiangru@163.com 备注:注意:对单片机的输入点都要求有防止抖动程序。 ------------------------------------------------- 程序介绍: K1、K2为按钮,OUT为输出灯。 按下k1,经过延时子程序,判断是否抖动, 灯OUT点亮。 按下K2,经过延时子程序,判断是否抖动, 灯OUT熄灭。
标签: zhao-xiangru 2009 程序 163
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zhe shi yi ge qi shi you li wen ti shi shu ju jie gou de shi xian fang fa huan ying da jia xia zai ,zhao chu bu zu da jia yi qi gai jin.
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Proceedings of Practice of Interesting Algorithms 2007 The editor assumes no responsibility for the accuracy, completeness or usefulness of the information disclosed in this volume. Unauthorized use might infringe on privately owned patents of publication right. Please contact the individual authors for permission to reprint or otherwise use information from their papers. First edition 2007 Publication Planned by Prof. Wenxin Li Edited by Yili zhao All rights reserved by Artificial Intelligence Laboratory, Peking University June 26, 2007
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SQL中的单记录函数 1.ASCII 返回与指定的字符对应的十进制数 SQL> select ascii( A ) A,ascii( a ) a,ascii( 0 ) zero,ascii( ) space from dual A A ZERO SPACE --------- --------- --------- --------- 65 97 48 32 2.CHR 给出整数,返回对应的字符 SQL> select chr(54740) zhao,chr(65) chr65 from dual ZH C -- -
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oracle中常用函数说明. SQL中的单记录函数 1.ASCII 返回与指定的字符对应的十进制数 SQL> select ascii( A ) A,ascii( a ) a,ascii( 0 ) zero,ascii( ) space from dual A A ZERO SPACE --------- --------- --------- --------- 65 97 48 32 2.CHR 给出整数,返回对应的字符 SQL> select chr(54740) zhao,chr(65) chr65 from dual ZH C -- - 赵 A 3.CONCAT 连接两个字符串 SQL> select concat( 010- , 88888888 )|| 转23 高乾竞电话 from dual 高乾竞电话 ---------------- 010-88888888转23
上传时间: 2014-11-23
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