为各次读取之间记录的信息包总数设置一个变量并记录从vmstat程序中读取到的行数，接下来定义标题。
After setting up variables for the total number of packets to be recorded between reads and recording the number of lines read from the vmstat program, we move on to header definitions.
您经常会发现在shell中一行简单的文本可以执行数百行程序才能实现的功能。
It's not at all unusual to find that a single text line to a shell can do the same work as a hundred-line program.
把行数和列数更改为显示门户应用程序所包含的行数和列数。
Change the number of rows and columns to show how many your portal application contains.
驱动程序将根据中断的优先级次序来执行数据操作。
Your driver will perform some data manipulation based on a sequence of interrupts.
然而，在几乎所有实际情况下，客户需要使用多个方法或应用程序执行数据转换和移动。
However, in almost all cases, a customer USES more than one method or application to perform data transformation and movement.
早期的程序员们很快发现了数字的文本表示与程序能在上面执行数学运算的数字变量显著不同。
Beginning programmers quickly discover that the textual representation of a number differs distinctly from a numeric variable on which programs can perform mathematical operations.
识别会随着(您所造成的)其它变更(包括使用受影响的数据项和间接的数据项的代码行数)而改变的应用程序范围的能力。
Ability to identify areas of an application that will change as a consequence of other changes you make, including lines of code that use affected data items and indirect data items.
一个服务器请求处理的例子是，将请求发送到适配器以对应用程序表执行数据库更新。
An example of service call request processing is a request sent to an adapter to perform database updates to an application table.
这使执行数据库操作非常容易，并且与应用程序用什么语言开发无关。
This makes it easy to perform database operations, whatever language your application is developed in.
此样本程序仅仅演示API可以如何用来执行数据库操作。
This sample program merely illustrates how the API can be used to perform database operations.
客户机应用程序调用存储过程，然后存储过程执行数据库访问，但不会跨网络返回不必要的数据。
A client application calls the stored procedure, which then performs the database accessing without returning unnecessary data across the network.
SQLJ程序需要的代码行数比JDBC程序更少。
SQLJ programs require fewer lines of code than JDBC programs.
在主程序逻辑中执行数据结构搜索以获得查询结果。
Searching this data structure for query results will be performed in the main program logic.
一个应用程序可运行数周，而不是数月。
An application can be up and running in weeks instead of months.
支持通用词汇表的应用程序可以使用XML进行数据交换。
Applications that agree on a common vocabulary can use XML for data interchange.
其目的是展示不触及任何源代码而进行数据源和连接程序的更改是多么简单。
The idea here is to show how easy it is to change data sources and connectors without touching the source code.
如果发送和接收应用程序之间的数据格式不同，就需要进行数据转换。
If the data formats between the sending and receiving applications differ, data conversion is necessary.
可以对应用程序进行配置，使其静态地运行数据库sql，而不会影响编程或用户体验。
Applications can be configured to run the database SQL statically without any change in programming or user experience.
现在，如您所知，任何操作系统都可能同时运行数百个程序。
Now, as you know, any operating system has potentially hundreds of programs running at the same time.
因此不要想 让应用程序的其他部分进行数据绑定，而是应该考虑 应用程序中处理持久性的那一部分。
So don't think about the part of my application that does data binding. Instead, think about the part of my application that handles persistence of this particular bit of data.
在大多数情况下，类似于上述示例的DAO应用程序会使用JDBC进行数据库访问。
In most cases, a DAO application like the one above would use JDBC for database access.
应用程序依赖XML文件来进行数据交换以及关系数据库来提供数据永久性都是应用程序业务逻辑(也就是其模式)的特征。
An application's reliance on XML documents for data exchange and relational databases for data persistence are characteristics of the application's business logic (that is, its model).
该程序输出一行数据，其中包含指定客户的所有XML联系信息。
This program prints a single row of data containing all the XML contact information for the specified customer.
系统的运行数据为与应用程序相关的信息。
The run data of your system is the information that is involved with the applications.
但是对于处理在不同应用程序之间进行数据交换时所使用的xml来说，文档模型并不是一种非常高效的方法。
But document models aren't a very efficient way of working with XML that's used to exchange data between applications.
对于每个应用程序来说，仅仅进行数据同步可能是不够的。
Data synchronization alone may not be sufficient for every application.
安装或卸载应用程序时，在保存更改前捕获运行数据快照。
When you install or uninstall an application, take a snapshot of the run data prior to saving the changes.
安装或卸载应用程序时，在保存更改前捕获运行数据快照。
When you install or uninstall an application, take a snapshot of the run data prior to saving the changes.
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