In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.
有一次，教授并没有要求学生购买教科书，只是需要作业提交的访问码。
Because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.
因为它全是数字化的，它淘汰了二手书市场，也杜绝了任何共享，而且因为作业和考试都是通过准入码进行的，它让人们失去了选择退出的任何能力。
But because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.
但因为它全是数字化的，它消除了二手书市场，也消除了任何共享，而且因为作业和考试都是通过准入码进行的，它消除了任何选择退出的能力。
If your data access code catches an exception, do not ignore it.
如果数据访问代码捕获了一个异常，不要忽略它。
An iterator is a kind of code helper that lets you quickly access data in any collection or container, one at a time.
迭代器是某种代码助手，可以让您迅速地访问任何集合或容器中的数据，每次一个数据。
Then you need to put some marshalling code atop that to provide an access layer to the front end.
然后，需要在那些类之上放置一些编组代码，以便为前端提供一个访问层。
In order to build a middleware bridge between the front-end CGI display code and the back-end database and business logic code, an API that allows all necessary data access must be defined.
为了在前端CGI显示代码和后端数据库及业务逻辑代码之间构建一个中间件桥，必须定义一个允许所有必需数据访问的API。
Wrapping the parser within an unmarshalling context allows a wide variety of access methods to be defined with a minimum of code.
将解析器包装在数据编出上下文内，这样就可以用最少的代码定义各种各样的访问方法。
To add an ATOM feed link to access the current content, add the following code shown in listing 4 to the specific component where you want the link to display.
要添加一个ATOM提要链接来访问当前内容，将清单4中所示的代码添加到您想要在其中显示链接的组件中。
Native code may attempt to access an object that has invalid input (such as a stale local reference) or that is coded incorrectly.
本机代码可能尝试访问具有无效输入(如过时的本地引用)或编码错误的对象。
In the code shown in Listing 8, you access attributes of an element just as you would elements of an array.
清单8所示的代码中，可以像访问数组元素一样访问元素的属性。
The code above is an example showing you how to access a DataObject within another DataObject.
以上代码是一个例子，向您展示了如何在另一个DataObject对象中访问一个DataObject。
EAz's main job is to define and implement an interface that any application's code can query to authorize access to application resources.
Eaz的主要任务是定义和实现一个接口，以便任何应用程序的代码可以查询并授权对应用程序资源的访问。
Because you cannot package an EJB along with portlets, you need to code the access to the EJB deployed in a different manner than you would within a servlet accessing the enterprise application.
由于您不能将portlet和ejb封装在一起，因此您需要用不同的方式编写代码以访问已部署的EJB，这和用servlet访问企业应用程序是不同的。
In the Python language, everything is an object a program can access, including simple types that hold integers, as well as the actual code you write and its representation in the Python interpreter.
在Python语言中，所有事物都是程序可以访问的对象，其中包括保存整数的简单类型，以及您编写的实际代码和这些代码在Python解释器中的表示。
Merseyside Police have launched something similar which allows citizens access to information on an on-demand basis, post code enabled search and features to report crime patterns.
Merseyside Police已经投入运行了类似的网站，允许市民根据需求访问信息，提供支持邮编的搜索以及报告犯罪模式的特性。
Simple access to the parts within an Open XML document, relative to other existing APIs (example: one line of code to retrieve or replace a part).
简化对OpenXML文档中各种部件、以及其它现有API的访问(例如：可以通过一行代码获得或替换一个部件)。
For instance, having access to a person's genetic code could help doctors create customized medicine and determine an individual's predisposition to certain diseases or medical conditions.
例如，获得一个人的遗传密码能够帮助医生创造定制化药物和确定一个个体对某种疾病或身体状况的倾向。
But how to complete this task if you were given access to the source code and resources of an existing application, but not allowed to introduce any functional changes to the application?
但要是不允许你引入任何功能变化，只能访问现有应用的源代码和资源，那你该如何完成这一任务呢？
This code sample shows how an EJB component might access a message queue resource, using connection objects.
代码样本显示了EJB组件如何使用连接对象来访问消息队列资源。
Developers must write code to implement the data access layer, including optimizing SQL queries, caching results to optimize performance, without compromising an application's footprint.
开发人员必须编写代码来实现数据访问层，包括优化SQL查询、缓存结果以优化性能，而不会损害应用程序的规模。
The following code example shows how an EJB application might access a database resource by using pooled connection objects (based on JDBC 2.0).
以下代码示例显示了EJB应用如何利用合用的连接对象来访问数据库资源(基于JDBC 2.0)。
The code in a layer can only access the layer beneath it, and only through an interface (see Figure 3).
某个层的代码能且只能通过接口访问该层(如图3所示)。
For this sample code, I assumed that the SOAP binding was used and that the access point USES an HTTP protocol.
对于这个样本代码，我假设使用了SOAP绑定并且访问点使用HTTP协议。
Suppose that you wanted to isolate a subsystem, so that client code would have to go through an intermediary to access worker objects (this situation occurs in the Facade design pattern).
假如您希望隔离一个子系统，以使客户机代码必须通过中间媒介来访问工作程序对象(这种情况在Facade设计模式中出现)。
An example of calling code in the access control hook of an action.
在一个action的accesscontrolhook中调用代码的一个例子如下。
For example, if you have embedded a SQL file and an XML file in a Windows Forms-based application, you can access them using code like that in Figure 2.
例如你已经在一个基于WindowsForms的应用程序中嵌入了一个SQL文件和XML文件，你能像图2中代码那样去访问。Figure 2。
For example, if you have embedded a SQL file and an XML file in a Windows Forms-based application, you can access them using code like that in Figure 2.
例如你已经在一个基于WindowsForms的应用程序中嵌入了一个SQL文件和XML文件，你能像图2中代码那样去访问。Figure 2。
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