This can be handy when you want to refresh data on a test or disaster recovery system that doesn't need to be built from scratch.

当您需要在不重新构建数据的测试或灾难恢复系统上刷新数据时，这种方法很方便。

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You can also query the GRplistController object regarding the date and time of the last download for a given URL using the lastUpdate property and decide when to try to refresh data from the Web.

另外，还可以针对给定 URL 的最后一次下载的日期和时间使用 lastUpdate 属性来查询 GRplistController 对象，并决定何时从 Web 刷新数据。

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Each time that you refresh data, you see the most recent version of the data, including any changes that were made to the data since it was last refreshed.

每次刷新数据时，您都将看到最新版本的数据，包括自从上次刷新数据后对数据所做的所有更改。

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They reside on a PC and use its processing horsepower but also continually refresh with data from an online stream.

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Decoupling refresh cycles lets data center customers purchase server compute nodes, which are essentially very small motherboards (processor, system memory, boot environment, management, and connection to a local network fabric), separately from rack-level data center network interfaces (1GbE and 10GbE), separately from mass storage (hard disks and solid-state drives).

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Be it Southwest Airlines building a newsletter list, the ASPCA looking to build out a Facebook and Twitter community or Pepsi moving money away from the Super Bowl to building the Pepsi Refresh site, there is a huge advertiser demand for user data.

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