Listing 8 illustrates how to create and modify a data source.

清单8演示了如何创建和修改数据源。

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Clients can view and modify this data, which is then used to update a service.

客户机可以查看并修改这些数据，然后使用这些数据更新服务。

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In the examples, you'll retrieve contacts from a user's address book, add new contacts, modify and delete contacts, and control the data returned in a contact feed.

在这些例子中，您将从用户的地址簿中检索联系人、添加新联系人、修改和删除联系人，以及控制联系人提要中返回的数据。

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As Turner Investments points out, in an era when a farmer can take his iPhone into the fields and use the data it generates to customize and modify his decisions to fertilize a particular corner of a specific field, and produce crops more efficiently and profitably, the companies that enable him to do so are likely to remain out-performers.

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This will happen when someone attempts to repeat, modify or debug a similar experiment and takes the time to examine all of the relevant raw data and decide for themselves how to interpret the experimental results.

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Several apps he tested are stored in such a way that that it's easy to modify apps' data files and Internet Explorer 10 requests.

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