目录饿汉式懒汉式双重检查锁静态内部类内部枚举类实现饿汉式 立即加载 防止new对象，构造私有，写一个公共的方法返回对象
I would like to have one column in QTableWidget NOT editable. In forums I have read a lot about s开发者_运维技巧ome flags but could not manage to implement.Insert into the QTableWidget following kind
加载中,请稍侯......