1.问题描述 Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Panama" is a palindrome."race a car" is not a palindrome. 输入一个字符串,判断这个字符中所有的数字和字母
/* 1.是否以某字符串结尾 endsWith(theStr,endStr) @param theStr:要判断的字符串 @param endStr:以此字符串结尾 @return boolean; */ function endsWith(theStr,endStr) { var theStrLength=theStr.length; var endStrLength=endStr.length; var theStrEnd=theStr.substring(theStrLength-endS
Mysql 创建表之前判断表是否存在,如果存在则删除已有表 DROP TABLE IF EXISTS sys_area; CREATE TABLE sys_area ( id int NOT NULL AUTO_INCREMENT COMMENT '编号', parent_id varchar(64) NOT NULL COMMENT '父级编号', parent_ids varchar(2000) NOT NULL COMMENT '所有父级编号', name varchar(100) NOT
oracle触发器加条件判断,如果某个字段,isnode=0,那么不执行下面的方法,数据如下: create or replace trigger tr_basestation_insert_emp before insert on BJLT.BASESTATION REFERENCING NEW AS new_val OLD AS old_val --在这里设置名字,然后可引用新值,旧值 for each row ) declare --local variables here begin i
今天在客户服务器上遇到了oracle中文乱码问题,第一个想到的是:要想避免oracle字符乱码的问题,需要注意oracle客户端的字符编码和服务端的字符编码保持一致. 于是操作如下: 1.查看服务端字符集--结果:服务端是ZHS16GBKSELECT * FROM NLS_DATABASE_PARAMETERS where parameter='NLS_CHARACTERSET'; 2.于是开始修改客户端字符集,方式如下: 在运行里面,输入regedit进入注册表,HKEY_LOCAL_MACH
1.问题1 执行下列SQL: sql = "select count(1) as totle from vhl_model_data a where a.OBTAIN_CREATE_TIME between to_date(?,'yyyymmsshh24mi') and to_date(?,'yyyymmsshh24mi');"; Oracle报“无效数字异常”:经过两个钟头的反复的检查,发现是由于自己粗心在上述语句结尾多写了个分号“;”导致.粗心害死人啊!真是囧! 2.问题2 ORA