然后,当您运行cd时,变量pwd将被更新并显示为shell提示的一部分。
Then, when you run CD, the variable PWD will be updated and displayed as part of the shell prompt.
在Products视图操作中,您可以查看用户是否有更新或删除产品的权限,并设置用于显示或隐藏视图中按钮的变量。
In the Products view action, you could check to see if the user has permission to update or delete the product and set variables that can be used to display or hide the buttons in the view.
我们的示例显示了GCC如何分配寄存器,以及它如何更新输出变量的值。
Our example shows how GCC allocates registers, and how it updates the value of output variables.
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