To verify the result, print out all rows in the JOB table, like this.

要确认结果，请打印出job表中的所有行，如下。

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You can place a print statement within the loop to verify that data indeed exists at each element in the foreach loop.

可以在循环中放一个print语句，检验在foreach循环中每个元素中是否确实存在数据。

youdao

To verify the print queues and the appropriate devices were added, take a look at /etc/qconfig, shown in Listing 4.

要确认打印队列和适当的设备已被添加，需要查看 /etc/qconfig，如 清单 4 所示。

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