Annoyingly, it does not provide any useful feedback to the users telling them that it did not submit the invalid data, what field contained invalid data, or how they can fix it.
令人不快的是，它没有提供任何有用的反馈信息，告诉用户提交的数据无效、哪个字段的数据无效或者如何解决。
To find out how useful the practice may or may not be, Hwang and colleagues surveyed people who were waiting in clinics to see their doctors.
为了确定该项做法是否有用，黄医生和他的同事对那些在诊所候诊的人们进行了调查。
This internal part of message Broker product is not exposed to developers, but it is useful to see how it works so that you can understand the architectural scalability of message flows.
MessageBroker产品的这个内部组件不会公开给开发人员，但是了解它的工作方式将非常有用，您可以通过它了解消息流的架构可扩展性。
You see, whether or not you're going to find this application useful is going to depend on how you use Facebook.
当然你是否觉得这款应用有用取决于你使用Facebook的方式。
The advantages of using DITA by reference are clear, but how useful is this information for companies that do not use IBMIDDoc (or even SGML)?
通过引用使用DITA的好处很明显，但是对那些不使用IBMIDDoc(甚至不使用SGML)的企业这些信息有用吗？
What is not clear to me is how useful it is to try to generate code from the models, and when.
让我不太理解的是在从模型中产生代码时它究竟有多大的用途，以及什么时候有用。
Plus, although the ideas may be useful to programmers, the book does not get down to the "how to" level when it comes to fixing problems.
再加上，尽管这些想法对程序人员可能是有用的，但是在开始修复问题时本书并没有开始认真考虑“如何做”的层次。
Obviously, just categorizing the causes of failure is not as useful as also examining how to avoid them and how to recover when one is encountered.
很显然，只对错误的原因进行分类并不一定非常有用，而还应研究如何加以避免以及出现时如何恢复。
You might find it useful to read from an existing, and valid, XML document, but it's not necessarily obvious how you can best achieve this.
您可能发现从现有的有效XML文档上读取很有用，但是没有必要清楚地表明您是如何最佳地完成这个操作的。
Of course, there will be "useful" data that an individual might not want to share-say, how much alcohol they buy, which diseases they have, or certain of their online searches.
当然，有些有用的数据，客户可能不想分享，就如，你买了多少酒，有得了什么病，或者某些网上的搜索。
The playback function that was prominently featured in the demo last week is interesting, but we are not sure how useful it will be in daily use.
上周在演示中主要展示的回放功能非常有意思，但是我们不清楚这个功能在日常使用中会有什么用途。
The two authors also said a useful step could be to monitor how price and tax measures affect uptake of smoking among women in countries where tobacco is not yet widely used by them.
两人还提到，在一些烟草尚未盛行的国家，通过对烟草价格和税收的监管来控制女性吸烟者，会是一个行之有效的策略。
Even if you are not hired, it can be useful to learn a bit more about yourself and how you come across to others.
即使你没有被录用，它也能帮你多了解自己一点，和知道别人怎么看你。
Not only are these metrics useful for determining the current status of your project, but also they can be used to determine how far a team has deviated from initial expectations set for the team.
这些度量标准不仅用于确定项目的当前状态，还可以用于确定团队已经从团队初始的期望值偏离了多远。
I don't think there is anything wrong with what you are doing, but I'm not sure it is terribly useful to people who are trying to understand how to do refactoring in an Agile context.
我不认为你们做错了什么，但是对那些试图弄明白敏捷环境下如何重构的人们来说，我不能肯定这有多大帮助。
Cutting down on new purchases by learning how to cross-examine yourself for whether or not you need the items is a useful skill to have.
学习如何反复询问自己“是否需要这东西”，是削减购买物品的有效技巧。
The foam wasn't a very good insulator (in other words, not useful to him at the time), but he was impressed by how light and strong it was.
这种泡沫的隔热能力并不是很好(换句话说，在当时并不能让他满意)，但是他却发现这种泡沫材料非常轻又非常坚韧。
This line is useful because it tells us how much of the heap is free and that there are objects being cleaned up and not pinned to the heap.
这一行非常有用，因为它告诉我们这个heap有多少是空闲的，而且有一些对象正在被清理且不会占用这个heap。
The suggestions that you get in this example are not very useful, because we intentionally kept the bean code simple here to demonstrate how a type-ahead component works.
本例中所获得的推荐并不十分有用，因为我们有意将bean代码做的简洁以证明预输入组件如何工作。
While this is not a particularly useful application, it will provide enough functionality to demonstrate how OpenID works in Project Zero.
尽管这不是一个非常有用的应用程序，但是它足以演示OpenID在ProjectZero中的工作方式。
To make matters worse, Facebook is not responsive to inquiries about account lockout, and the company provides absolutely zero useful direction on how to rectify a complaint.
更糟的是，Facebook不提供帐户锁定查询服务，而且该公司针对如何响应投诉方面绝对毫无作为。
I also realized that classes are not as useful as the written word, so what you are now reading is an exploration of how to tune a database based on a dissection of the Fastest DBA benchmark.
我也意识到类没有书面文字有用，因此，您现在所阅读的是对于如何基于Fastest dba基准的剖析，来调优数据库的探索。
If you're not quite convinced of the value of using the Shale starter application, the build process should prove how useful it is.
如果您还不太相信使用Shalestarter应用程序的价值，构建进程应该能证明它非常有用。
Because Alice is an interactive graphic 3d programming environment, it is not only useful for learning how to program, Alice makes learning to program fun.
这是因为Alice是一种基于图形界面的交互式三维编程环境它不仅仅是为了帮助学习编程而设计的Alice使学习编程成为一种乐趣。
You might not need new clothes this month, so how useful is a budget built on the premise that you'll spend $150 on shirts or skirts?
你也许这个月不需要新衣服，那么按照你这个月需要150美元买衬衫或裙子的预算又怎么会有帮助呢？
Total is useful for rendering paging controls, and count(*) queries (how many of my comments have been up-voted, and so on); so it’s not that the total field itself was a mistake.
总数对于分页控件的渲染很有用，count(*)查询就是如此（比如说人们对我的评论的投票数等等）；从这个角度来说，total字段本身并没有错。
As a result, for those who know how to save and treasure the time, people who are cruel, because they do not waste time, fight for every minute spent on useful places, they always are in crowded time.
这样一来，对于那些懂得节约、珍惜时间的人来说是残酷的，因为他们不浪费时间，争取每一分每一秒都用在有用的地方上，他们时时刻刻都在挤时间。
Throughout this book, we'll emphasize the importance of focusing. Training and learning are not useful without careful attention to how they are applied.
整本书我们将会强调注意力的重要性。如果你不注意它是如何应用的，训练和学习都不会有效的。
His research, not matter how useful, was never approved.
他的研究，不论多么有用，从未被证实过。
His research, not matter how useful, was never approved.
他的研究，不论多么有用，从未被证实过。
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