仅当需要的时候才刷新数据。
在这种情况下，即便应用程序刷新数据，也仍然会由服务器缓存，以实现优化。
In this case, even if the application flushes the data, it may still be buffered by the server for optimization.
然后，您仅需要在一定间隔之后连接到后台服务器(如每三十分钟)，以刷新数据。
Then, you would only need to connect to the backend server at some interval (say, every thirty minutes) to refresh the data.
如果要实现流风格的Comet，那么需要使连接保持开启，但是仍然刷新数据。
If you wanted to implement a streaming style of Comet, you would want to keep the connection open, but still flush the data.
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。
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.
每过15分钟，Domino服务器就会运行更新任务来刷新数据库中所有视图索引。
Every 15 minutes, the Domino server runs the update task to refresh all view indexes in a database.
确保在执行写迭代后刷新数据；否则，它将滞留在缓冲区中，直到向流写入下一次迭代。
Make sure you flush the data after you're done writing an iteration; otherwise, it may be stuck in a buffer until the next iteration is written to the stream.
连接信息保留在工作表中，以便在接收者打开它的时候，它将自动连接到服务器并刷新数据。
The connection information is kept in the worksheet so that, when the receiver opens it up, it connects to the server automatically and the data is refreshed.
特别是当它与使用数据的应用程序的需求不一致时，可能会在目标中频繁地刷新数据，而没有真正地使用数据，从而降低了资源的使用效率。
In particular if it is not coordinated with the demands of the consuming application, data might be frequently refreshed in the target without being consumed, thus using the resource less efficiently.
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。
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.
有了Ajax,Web页面能够处理数据而不必刷新浏览器中的整个页面，这就给用户提供了更加流畅的交互。
With Ajax, Web pages can process data without having to refresh the entire page in the browser, which provides a much smoother interface for the user.
工作表中的数据定期刷新，因此您可以获得最新的信息，就像是在查看仪表板一样。
The data in the worksheet is refreshed periodically and, therefore, you get the latest information as though you are looking at a dashboard.
这个域页面上的数据自动刷新，以便您总是能够查看您的ER系统的最新状态和健康状况。
The data on the domain page is automatically refreshed so that you are always viewing the up-to-date status and health of your ER system.
当使用Ajax提交表单数据时，页面不必刷新，滚动条的位置也可以保持不变，就好像所处理的是一个桌面应用程序一样。
When form data is sent with Ajax, the page doesn't need to be refreshed and the scroll position can remain unchanged, just as if you were working with a desktop application.
所以，针对验证目的而运行基准检验时，必须确保验证期间不会发生数据刷新。
So, when running a benchmark for validation purposes you must ensure that your validation happens during a time when the data will not refresh.
此后，数据获取、缓存和刷新都是自动处理的。
After that, data retrieval, caching and refreshes are handled automatically.
当在目标中加载或刷新了集成数据之后，可以将整合信息公开为服务提供给使用者。
After the integrated data is loaded or refreshed in the target, the consolidated information can be exposed as a service to consumers.
为此，您需要确保您的应用程序以传统方式工作，页面使用一个新数据集刷新(见清单14)。
To do this, you need to ensure that your application works in a traditional manner, with the page refreshing with a new set of data (see Listing 14).
应用程序将定期使用服务器上的数据来刷新本地存储，并将用户所做的更改传递到服务器。
Periodically, the application will refresh the local store from data on the server and propagate changes made by the user to the server.
该Gadget定期刷新，以便您始终获得最新的数据。
The gadget is refreshed periodically so you get the most updated data all the time.
相反，浏览器将具有一个对服务器的异步调用以获得数据，并且只刷新当前页面的特定部分。
Instead, the browser will have an asynchronous call to the server to obtain the data and refresh only specific parts of the current page.
刷新客户端计算机的数据缓存。
REFRESHdeferred子句的意思是，在任何时候都可以用REFRESHtable语句刷新该表中的数据。
The refresh DEFERRED clause means that the data in the table can be refreshed at any time using the refresh table statement.
图7展示了检索到一组数据或者经后续查询进行了刷新之后，通常的使用模式和支持的操作。
Figure 7 illustrates the typical usage patterns and enabled actions after an initial set of data has been retrieved or a refresh made of a follow-up query.
我们还展示了在每次刷新表之后，如何给表分配重新创建的数据提供程序。
We also showed how each time the table is refreshed, a recreated data provider is assigned to the table.
解决方法：Alloy侧边栏面板中的数据会根据管理员设定的时间安排自动刷新。
Resolution: the data in the Alloy sidebar panel is automatically refreshed based on a schedule set by the administrator.
还可以修改表的大小（每个页面上的条目数量）和数据刷新频率以满足自己的需要。
The size of the table (number of entries per page) and data refresh rates can also be changed to meet the your needs.
通过和服务器交换小部分的数据，然后刷新标记的一小部分来实现这一点。
You do this by exchanging small amounts of data with the server, and consequently refreshing only small parts of the markup.
点击刷新按钮之后，您应当会看到描述脚本包的数据，它来源于存档文件中包含的cbscript.json文件。
Once you hit the refresh button, you should see the data that describes the script package due to the inclusion of the cbscript.json file in the archive.
Dojo还提供了用于进行异步XMLHttpRequest调用的API，以在不刷新页面的情况下从服务器获取数据。
Dojo also provides APIs for making asynchronous XMLHttpRequest calls for fetching data from the server without refreshing the page.
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