Before calling the server, check if the needed data is already loaded and if so, skip the call.
在调用服务器之前，检查所需的数据是否已经装载了；如果是这样，就跳过调用。
The extension handler chain is executed upon receiving a RRD request by calling each extension handler that matches some extension data that is attached to the RRD request.
扩展处理程序链在接收RRD请求时执行，方法是调用每个与附加到 RRD 请求的某些扩展数据匹配的扩展处理程序。
If calling code ignored the API and manipulated data structures in the library code, this independence would be lost since a change in the library's implementation might break the misbehaving client.
如果调用代码忽略api并处理库代码中的数据结构，那么将丧失这种独立性，因为库实现中的改变可能破坏行为失常的客户端。
That way, you can change the internal data structures without affecting the calling programs.
这样，你在改变内部数据结构时不会影响到调用它的外部程序。
The data graph is then returned and processed by the calling client.
然后返回数据图并由调用客户机进行处理。
This makes it much harder to manipulate the return address, but it doesn't defend against buffer overflow attacks that change the data of calling functions.
这样使得操纵返回地址困难多了，但它不会阻止改变调用函数的数据的缓冲区溢出攻击。
Even if data is validated before calling the server, changes brought by other users might invalidate your previously correct data.
即使在调用服务器之前检验数据，其他用户所做的修改也可能导致原来正确的数据无效。
You also learned how to retrieve data from a database, along with more advanced topics including calling stored procedures and manipulating Large data Objects (LOBs and BLOBs).
还学习了如何从数据库中检索数据，并介绍了一些高级主题，包括调用存储过程和操作大数据对象(LOB和BLOB)。
These handlers are called throughout the generation and rendering process and allow modification of report properties, like changing font colors, the data value, and calling external code.
我们可以在报表产生和渲染阶段调用这些事件处理器，并且这些事件处理器还能修改报表属性，比如改变字体颜色，数据值以及调用外部代码。
Values are often generated by calling other methods, possibly in library packages, that return data values to the original expression.
数值通常由调用其他方法产生，很大可能来自于库包，这些方法返回一个数值给原来的表达式。
I can attach certain meta data to the reference that gives an indication of the behavior of the calling component.
能够在引用中附加特定的元数据，来指示调用组建的行为。
Just like any other ResultHandler, you pass this handler to the Data object methods when calling the API.
和其他ResultHandler一样，在调用API时将这个处理程序传递给Data对象方法。
Calling for more research into the gender differences he said: 'in summary, the present data that indicate a common factor underlies pro-social obligations across three important social domains.' the.
刘易斯说“总的说来，目前的数据表明，有一个共同因素影响着人们在三个社会领域尽责时的态度与表现。”
Often, attackers can change the situation after the access (2) call, so any data you get from calling access (2) may no longer be true.
通常攻击者会在调用access(2)后改变该情形，所以，通过调用access(2)获得的任何数据都可能不再是可信任的。
shmat is a UNIX function that attaches the shared memory segment associated with the shared memory identified by shmid (another Solaris function) to the data segment of the calling process.
shmat是一个UNIX函数，它将与 shmid（另一个Solaris 函数）所标识的共享内存相关的共享内存段附加到调用进程的数据段上。
These methods return a list that contains the key or data values, respectively, within the calling dictionary.
这些方法返回一个列表，其中分别包含进行调用的dictionary中的键或数据值。
When the query is redundant, in that all the data needed has been captured, close the query by calling the PdhCloseQuery function.
当查询变得多余时(因为已经收集了全部所需的数据)，就可以通过调用PdhCloseQuery函数来关闭查询。
When you want a field to be set to null, you set its value to as attribute3 in Figure 17 shows, which is equivalent to calling MyBO.set("attribute2", null) using the Service Data Object (SDO) API.
需要将字段设置为null时，您可以将其值设置为 （如图17 中的attribute3 所示），这等效于使用ServiceDataObject (SDO) API调用MyBO.set("attribute2", null)。
In the J2EE Model 2 architecture, a servlet is the UI controller, responsible for getting input data, calling some back-end business logic, and then deciding what JSP to forward to.
在J2EEModel2体系结构中，Servlet是UI控制器，负责获取输入数据，调用某些后端的业务逻辑，然后决定转发到哪一个JSP。
The start, schedule, and stop of the chart data updater are done by calling TimerManager of CommonJ Timer (Listing 14).
图表数据更新器的启动、调度和停止是通过调用CommonJTimer的TimerManager实现的(清单14)。
Luckily, an sca runtime such as Tuscany picks up the TAB for routing messages, understanding various interfaces, interfacing with access and data bindings, and calling many types of implementations.
幸运的是，Tuscany等的sca运行时可以为您完成消息传递、理解各种接口、与访问和数据绑定交互，以及调用各种实现类型等全部工作。
You can do a similar operation to test whether a value is in the list of data values returned by calling the values method.
可以使用相似的操作检查某个值是否在调用values方法所返回的数据值列表中。
Stored procedure calling and negative indexing can be essential aspects of data manipulation.
存储过程调用和负索引(negative indexing)可能是数据操纵的重要方面。
For this exercise, the Dojo Web page will request a JSON data format when calling this operation.
对于这个练习，当调用这个操作时DojoWeb页面将会要求一个JSON数据格式。
Cognos can invoke data mining and scoring dynamically by calling SQL stored procedures. This allows for the following.
Cognos可以通过调用SQL存储过程来动态地调用数据挖掘和评价。
In this calling code we pass in the parameters DataObject and the name of the data type we want to change.
在此调用代码中，我们将传入参数DataObject和希望更改的数据类型的名称。
The jQuery library includes a method specifically for getting JSON data from a URL, which is perfect to use for calling the RESTful Web service get methods (see Listing 9).
jquery库包含一个专门从URL获取JSON数据的方法。它可以完美地调用RESTfulWeb服务GET方法(请看清单9)。
You can fetch values from the result set into the bound application variables by calling the SQLFetch repeatedly until there is no data available.
您可以通过重复调用SQLFetch函数，将结果集中的值读取到绑定的应用程序变量中，直到没有可用的数据为止。
This gets especially handy if you implement highly-automated processes "just" calling services, where you invest the most time in the question: "Which data do I have where, and who created it?"
这种数据流原型会特别便于使用，如果你要实现“只需”调用服务的高度自动化流程，你会花大量时间纠结于这么一个问题：“我需要哪个数据，而这个数据是由谁在何处创建的？”
You can attach XSLT features to the Web services either at the Web server end or while calling the Web services, to convert the XML data to a non-XML format, such as HTML.
您可以在Web服务器端点或者调用Web服务时向Web服务添加xslt特性，将XML数据转换为非xml格式，例如HTML。
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