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Use constructor chaining instead of creating a common utility routine.
使用构造函数链而不是创建公用的有用子程序。
Next, you need to tell the getopt utility routine to look for these options. To do this.
接下来，需要让getopt实用程序例程寻找这些选项。
Unfortunately, such periods of computer inactivity cause problems for Linux, which USES a utility called Cron to run routine maintenance tasks in the background.
不幸的是，这种经常性地关机行为会为Linux系统带来问题，因为Linux使用称为Cron的实用工具在后台运行日常的维护作业。
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