Overhead tasks such as database setup and user interface design require no small set of skills.

开销（overhead）任务，如数据库设置和用户界面设计，需要不少的技巧集。

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This article first demonstrates the overhead incurred in the traditional polling mechanisms, and shows how the pollset interface improves the performance and scalability.

本文先讨论传统poll机制的开销，说明pollset接口如何改进性能。

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If your system spends most of its time serving up Web applications, then you can turn off the overhead of the graphical interface and use that memory and CPU for your service.

如果您的系统主要任务是提供Web应用，那么您可以停掉图形界面，而将其所用的内存和CPU资源用于您的服务。

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We make use of logical gestures to help you get around without the overhead of additional interface elements.

FORBES: A big step toward a more readable Web