一.QTableWidget实现checkBox效果 利用QTableWidgetItem对象的CheckState属性,既能显示QCheckBox,又能读取状态 table = QtGui.QTableWidget() checkBox = QtGui.QTableWidgetItem() checkBox.setCheckState(QtCore.Qt.Unchecked) table.setItem(i, 0, checkBox) 二.call some function when che
本文来源:huang_xw 的<Oracle数据库的状态查询> 1 状态查询 启动状态 SQL语句 结果 nomount select status from v$instance; STARTED select open_mode from v$database; ERROR at line 1: ORA-01507: database not mounted mount select status from v$instance; MOUNTED select open_mode from
一. 查看库的各链接状态 对于一个mysql连接或者一个线程,任何时刻都有一个状态,表示其当前正在做什么.一般使用show full processlist查看. +---------+-------------+-------------------+------+---------+------+-------+-----------------------+ | Id | User | Host | db | Command | Time | State | Info | +-------