The next step is to fetch data from the server.
下一步是从服务器中检索数据。
Don't fetch data in a component constructor.
不要在组件的构造函数中获取数据?
Lazy loading is a technique used to fetch data from the user database only when it's required.
延迟加载是一种仅在需要时,从用户数据库获取数据的技术。
The following topics describe how to fetch data and load data into the available data models.
以下主题介绍如何获取数据并将数据加载到可用数据模型中。
Like any other programming methods, to store and fetch data is the most important target for object-oriented programming.
与所有其它编程方法一样,面向对象编程的核心目标是实现数据在持久化存储系统中的存取。
The WHERE statements are quite different from each other because with SPARQL, you must specify which schemas to use to fetch data.
两者的where语句完全不同,因为使用SPARQL,必须指定用于获取数据的模式。
In Listing 2, XInclude is used to fetch data from the three locations using HTTP in the cloud. After processing, it looks like Listing 3.
在清单2中,XInclude用于使用HTTP从云中的三个位置取得数据。
A data-bound control can bind to a data source control and automatically fetch data at the appropriate time in the page request lifecycle.
数据绑定控件可以绑定到数据源控件,并自动在页请求生命周期的适当时间获取数据。
This data may be any sort of request for the visualizer, whether to fetch data incrementally, or to update the state of the object being visualized.
此数据可能是对可视化工具的任何种类的请求,既可能是请求获取更多的数据,也可能是请求更新进行可视化处理的对象的状态。
PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data.
PDO提供了一个数据访问抽象层,这就意味着,不管你使用的是哪种数据库,你都可以用同样的函数去进行查询的获取数据。
Application of dynamic data exchange technology in printing of report forms was introduced. It solved the problem which was difficult to fetch data from on-line forms.
具体介绍了动态数据交换在报表打印中的应用,解决了从在线表格中读取数据的难题。
You will be glad to know that the index you just created can be used in any of the approaches described in this article to fetch data from the database into the business logic.
对于本文描述的把数据库数据提取到业务逻辑中的所有方式,都可以使用刚才创建的索引。
Depending on your line of business, your logic might do many things as database changes come through the export, before you send or fetch data to or from the database via the import.
根据您的业务部门不同,在数据库更改经过导入时,并在通过导入将数据发送到数据库或从数据库获取数据之前,逻辑可能要执行许多操作。
There are many ways to fetch data from a server, but the interesting cases here are: XHR, iframe and script-tags. Without knowledge of the JSON/Array hack it's easy to reason like this
有很多种从一个服务器获得数据的方法,但这其中比较有趣的是XHR、iframe、脚本标签。
When a feed or feed mashup is being created, the MashupHub client communicates with the server to fetch data from data sources, preview partial mashups, and to save the feed or feed mashup.
当创建一个提要或提要mashup时,MashupHub客户机与服务器通信,以便从数据源抓取数据,预览部分mashup,并保存提要或提要mashup。
For example, a service might play music in the background while the user is in a different application, or it might fetch data over the network without blocking user interaction with an activity.
比如,一个service可以在用户执行另一个应用时在后台播放音乐,或者不阻塞用户与activity交互,通过网络抓取数据。
A query plan ideally is an optimal plan to execute the given query - that is, it determines the most efficient way to fetch the data.
理想情况下,查询计划是执行给定查询的最佳计划—也就是说,它会确定抓取数据的最佳方式。
Otherwise, go to the database, fetch the requisite data, map it to an object, and add it to the cache.
否则,转至数据库、获取必需的数据、将其映射到对象中并把它添加到缓存中。
There is no standard answer to the question of whether you should host the data locally or fetch it remotely per request.
应该本地存放数据,还是在处理每个请求时都远程地获取数据?对于这个问题,没有标准的答案。
The local approach to OLAP reporting is broken down into two simple steps: metadata and data fetch.
本地的OLAP报表方法分为两个简单的步骤:元数据和数据获取。
These RIDs are used by the FETCH node to position the corresponding data pages in the table space.
FETCH节点使用这些 RID来定位表空间内的对应数据页面。
So be sure to spawn a thread to fetch this data.
因此必须确定生成一个线程来获取数据。
With the "Repeatable Read" data region fetch requests issued multiple times within the same transaction will always produce the same result yielding better application throughput.
在相同事务下对“可重复读取”区域内数据的多次请求的结果是相同的,但能够带来更好的应用吞吐量。
If you are required to display a collection of data retrieved from the service layer on this page, there is just no good opportunity in the JSF life cycle to fetch the data.
如果需要在该页面上显示从服务层获得的一组数据,那么在JSF生命周期中始终没有好的机会来取数据。
The qualifying RIDs are then taken by the fetch node to fetch the corresponding records and data pages from the table space into the DB2 buffer pool.
然后通过FETCH节点获取合格的RID以提取来自表格空间的相应记录和数据页面到db2缓冲池。
This command has to be executed periodically so that the optimizer has the latest data with it to come to an effective plan to fetch the data.
必须定期执行该命令,以便优化器利用最新的数据制定有效的计划来抓取数据。
This query is used to fetch the data from the specified table.
此查询用于从指定表中提取数据。
The EJB components were used only to fetch and update data.
EJ b组件只用来获取、更新数据。
The EJB components were used only to fetch and update data.
EJ b组件只用来获取、更新数据。
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