Several new widget types are available, including a 3D stack, search box, a date/time picker, number picker, calendar, popup menu, and others.
一些新控件类型可供选择，其中包括3D堆叠，搜索框，日期/时间选择器，数字选择器，日历，弹出菜单等。
2
With this technique, you are effectively starting the transaction at a lower level in the call stack, thereby reducing the amount of time you are in the database.
通过此技巧，您可以有效地在调用栈的较低层次开始事务，从而减少花费在数据库中的时间。
3
Here is a scenario where TCP stack tuning improves the response time for view operations.