正文原创 一:查询数据库实例有多少用户: [oracle@localhost ~]$ sqlplus / as sysdba; SQL*Plus: Release 11.2.0.3.0 Production on Thu Dec 21 10:18:39 2017 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11
奇怪吧,下面的代码居然要点两次button才能删除一个li节点: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title> New Document </title> </head> <body>