But, how can you get a reference to that parent TreeViewItem if its parent has not yet created it?
但是，你要怎样才能拿到它的父节点的引用当这个父节点还没有被创建呢？
This can lead to a problem if the XSD type is mapped to a value type in one language but mapped to a reference type in another.
如果xsd类型在一种语言中被映射成了数值类型，而在另一种语言中被映射成了引用类型，那么这可能导致问题的出现。
Describing precisely how to do that is outside the scope of this article, but I have included a reference in the resources section below for more information.
明确地说明如何完成以上事情超出本文的范围，但我在下面的参考资源部分中加入了参考，通过它可以了解更多信息。
This policy reference file enables the user agent to find the policy, but how does it know where to find the policy reference file?
这个策略引用文件使用户代理能够找到策略，但它又如何知道到哪里去找到策略引用文件呢？
But it's still better to reference the element for which content should be returned to its text nodes.
但是，更好的方法仍然是引用内容将被返回给其文本节点的元素。
For example, engineers designing a pavement do not have to base their attempts entirely upon experimentation, but can use reference sources that describe the conclusions of others.
例如，设计路面的工程师并不一定要把他们的尝试完全建立在实验的基础上，而是能用其他人的结论作为参考。
A property is also a configurable aspect of an implementation, but differs from a reference in that a property can hold complex or hierarchical data values.
属性也是实现的一个可配置方面，但是与引用有区别，因为属性可以存储复杂或层次化的数据值。
The remaining alternative is to use a service locator, make it a singleton, but remove the reference cache.
剩下的一个选择是使用服务定位器使用集合的方式，但是要去除引用缓存。
And last, but certainly not least, we'll reference some of the improvements to our Architectural Analysis capabilities.
最后，但肯定不只这些，我们将参考对架构分析能力的一些改进。
A process is like a map: Use it to understand the big picture and as a reference, but when reality and the map don't match, trust reality.
过程就像是地图：将其作为理解全局的参考，但是当实际情况与地图并不一致时，就要相信实际情况。
The above expression will create the same effect as the previous back reference example, but by instead using named groups. It is also significantly easier to read.
上面的表达式将产生和前面的反向引用同样的效果，但通过使用命名组，这将明显地更便于阅读。
When you work on a model, you might often work with elements that are checked out in writeable units but that other units reference in a read-only state.
当您处理一个模型时，您可能会处理检出为可写单元但是其他的单元参考在只读状态的元素。
Therefore, what is being passed is a copy of the reference, but that reference is being passed by value.
因此，被传递的是引用的拷贝，但是这个引用通过值来传递。
The object cannot be moved in this GC cycle; we cannot fix up the reference as it may not be a real reference but simply an integer that happens to have the same value as an object on the heap.
在这一 GC周期中不能移动对象；我们不能修改引用，因为它可能不是一个真的引用而只是恰巧与堆上的对象同值的一个整数。
At a minimum, this metadata can be free-form text; but specific reference data such as URLs or artifact names/IDs would be more useful.
这些元数据可以是任意形式的文本；但是URL或工件名称/ID等引用数据更有意义。
The object of a value type is in the stack, but the object of a reference type is in the heap.
数值类型的对象位于栈中，但是引用类型的对象位于堆中。
When the native returns, not only has it not freed the global reference, but the application also no longer has a way to get the reference in order to free it later - so the object will live forever.
当本机返回时，它不仅会释放全局引用，应用程序还无法获取引用以便稍后释放它—因此，对象将会始终存在。
You may not be able to turn to the exact page that answers your question (as you can in Python Essential Reference), but at least you can easily find the right chapter to read.
也许您不能恰好翻到回答您问题的那一页(象在PythonEssentialReference里那样)，但是至少您可以容易地找到适当的一章来阅读。
We also found on the back cover, by combining words at the top and bottom, a small but important reference to the hermetic adage
我们在封底也发现，把顶端和底部的单词结合起来，是一个小而重要的参考，提到了封闭的古谚。
For this purpose, you use the hash class in Ruby, which allows you to create key-value pairs (in what appears to be an array), but then easily reference them later by key.
为此，您可以使用Ruby中的hash类，它允许您创建键值对(类似于数组)，但是随后可以轻松地通过键引用它们。
The StoreShoppingCart contains a reference, but notice that it is not connected to any service in this composite.
StoreShoppingCart包含引用，但是请注意它不连接到此组合中的任何服务。
Several books are in print on deployment issues for specific flavors of the Windows operating system, but a good reference text on the general subject does not yet exist.
专门讲述特定于Windows操作系统的部署问题的书倒是出版了几本，但一般地讲述这个主题的优秀参考文章却还没有。
It couldn't replace doctors, but "it'sthe ultimate reference, like having a genius sitting on your shoulder whodoesn't get tired," Meyerson said.
“沃森不会取代医生，但它却是很重要的参考，就像有个天才站在你的肩膀上指导你一样，并且他永不厌烦”。Meyerson说。
This is Wayne's [Kelly] call, but I expect that the reference parameters will end up being passed by copying.
这是Wayne Kelly的调用，但是我期望引用参数能通过复制传递而终止。
Each alternative contains the same loosely coupled contracts evident in the AccountService and stockquote reference, but implements the Account and AccountData components quite differently.
每个备选项都在AccountService和stockquote引用中包含相同的松散耦合契约证据，但实现Account和AccountData组件的方法有很大的差异。
This is not a reference manual, but a book to learn how to program using Erlang.
这不是一本参考手册，而是教您学习如何使用Erlang编程的书。
But there's a slight twist: the onclick property wants to be fed a function reference — not the string name of a function, but a reference to the function itself.
但是有点细微的地方：onclick属性需要提供函数引用——不是函数的字符串名称，而是函数本身的引用。
In this article, "dead links" in ClearQuest schemas refer not only to reference or REFERENCE_LIST types of fields but also to any kind of reference from one object to another.
在本文中，ClearQuest方案中的“死链接”指的不但是字段的REFERENCE或者REFERENCE _ LIST类型，同样还包括一个类型到另一个类型任意形式的引用。
In this article, "dead links" in ClearQuest schemas refer not only to reference or REFERENCE_LIST types of fields but also to any kind of reference from one object to another.
在本文中，ClearQuest方案中的“死链接”指的不但是字段的REFERENCE或者REFERENCE _ LIST类型，同样还包括一个类型到另一个类型任意形式的引用。
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