An artist knows not just the tools of the trade but also when to use them.
艺术家不仅要掌握谋生的技术，还要懂得如何运用。
We will examine what these options are and when to use them best in a given scenario.
我们将研究这些选项以及它们最适合在什么场景中使用。
You have now learned the definition of a functional index and have seen how and when to use them.
您已经了解了函数索引的定义以及其使用方式和使用时机。
They must be relevant and expressed in a way that different groups understand what they mean and when to use them.
这些原则必须相关，并采用恰当的方式进行表述，以便不同的团队能够了解其含义，并了解何时使用它们。
It's an important topic. You can't program in the modern world without a solid understanding of events-what they are and when to use them.
它是个重要的主题，当今对事件没有坚实的理解，你是无法编写程序的——什么是事件以及什么时候使用事件。
Below is a compilation of best practices for help elements , an explanation of when to use them and a showcase of excellent help elements.
下面是我收集的帮助元素实际使用的优秀例子，帮助大家在合适的时候选择使用它们，同时展示一下这些优秀的帮助元素设计。
Since they seem to be a little-known feature, here is a brief overview of what weak references are, how to use them, and when to use them.
鉴于弱引用看起来似乎是一个鲜为人知的特性，这里简要介绍下什么是弱引用，该如何使用以及何时应该使用他们。
Of course while knowing the rules can be important - knowing when to use them and when to break them is a talent that great photographers generally have.
当然，了解规则是非常重要的——杰出摄影师能够了解并突破它们。
Now that you have learned the definition of a functional index and have seen how and when to use them, below you will find some examples where a functional index is used.
现在，您已了解了函数索引的定义以及其使用方式和使用时机，接下来，将提供一些使用函数索引的例子。
They can work with the project teams to assess and understand needs, and then expedite the search, understanding, and analysis of services and guide teams in how and when to use them.
他们可以与项目团队合作，以评估和了解需求，然后花时间对服务进行搜索、了解和分析，并为团队提供指导，告知如何以及何时使用这些服务。
Some use them to keep a close watch on the demand for their line of work or gather information on compensation to arm themselves when negotiating for a raise.
有些人用它来密切关注自己所在行业的需求情况，或者收集有关薪酬的信息，以便在加薪谈判时为自己做好准备。
When parents give money to their kids, they should also teach them how to make the correct use of money.
当父母给他们的孩子钱的时候，他们也应该教他们如何正确使用钱。
We're prompted to rate our apps when we've barely had a chance to use them.
当我们不常使用应用程序时，就会有提示提醒我们给应用程序打分。
Next time, when we want to use our laptops or our smartphones in public places which offer free WiFi networks, please think it twice or take safe measures before using them.
下次，当我们想在提供免费WiFi网络的公共场所使用笔记本电脑或智能手机时，请三思而后行或者在使用之前采取安全措施。
Use this information when you talk to your parents to improve your relationship with them.
当你和你的父母交谈时，使用此信息来改善你和他们的关系。
This can help you find the best words to use when explaining other things to them in the near future.
这些都有助于你将来在向你的孩子解释其他事情的时候使用最恰当的词语。
The same applies when defining input and output data signatures for components; design them to perform well in the primary application, and change them only when their use changes significantly.
为组件定义输入和输出数据签名时，也适用相同的原则；将其设计为在主要应用程序中能良好工作，仅在其使用发生大幅度变化时才对其进行更改。
Having these tools available is the first step. Learning when to use each of them is the second.
了解这些工具仅仅是第一步，知道什么时候使用它是第二步。
Even if you don't do much with the heap dumps at first, collecting them from build to build is invaluable when you do need to make use of them.
即便您一开始对于堆转储还做不了什么，在构建时收集这些转储对于日后使用具有极大价值。
Why were there six levels of heading, and when was it appropriate to use each of them?
为何有六层标题，什么时候使用合适？
Verdiem Corp.'s Surveyor program, for example, lets IT managers remotely adjust energy use of computers -- such as being able to shut them off when not in use.
举例来讲，Verdiem Corp.的“Surveyor”程序可以使IT经理们远程调整电脑的能量使用，比如在不使用的时候关闭电脑。
So far, you have learned about two types of enablement and when to use each of them.
到目前为止，您已经学习了关于有效激活的两种类型，以及什么时候使用哪一种。
This becomes a long a painful process because you need to find all the applications that use this database and figure out how to reconfigure them to use the new server when the cutover happens.
这会是一个漫长而痛苦的过程，因为你需要找出所有使用这台服务器的应用程序，并且明确当开始切换的时候，要如何重新对它们进行配置以使用新的服务器。
Drawing from my own experience working with these emerging technologies, I'll offer a framework for comparing them and discuss potential workarounds to help you avoid problems when you use them.
鉴于我自己使用这些新兴技术的经验，我将为比较它们提供框架并讨论潜在的解决方法以便在您使用它们时帮助您避免问题。
When you hear from them, use the opportunity to ask questions about their experience and the company culture.
当你和他们联系上时，借助这个机会询问他们的经验和公司文化方面的问题。
Instead, national authorities can choose whether to use them when considering what standards to adopt for their countries and to ensure compatibility of national standards across borders.
相反，国家当局在考虑为本国采用何种标准时并为了确保国家标准跨国界的相容性，可选择是否予以采用。
It doesn't rely on negotiating tricks, but it explains how to respond to tricks when others use them.
首先它不依靠谈判技巧，但它会让你知道当别人对你使用谈判技巧时你如何应对。
Metrics can be an invaluable tool when you use them for honest discussions, to learn, and to reward people.
当您将度量标准用于诚实的讨论，用于学习，及用于奖励人们时，它是无价的工具。
This section examines the two approaches before attempting to unravel when and why you might want to use each of them (for a summary, see Table 1 below).
在试图说明您何时使用它们，及为什么要使用它们之前，这部分先分析这两种方法(总结请参阅下面的表1)。
Why would it send more resources your way, when you’d only use them to further spread the disease of apathy?
当你只在进一步传播冷漠的那种疾病时，为什么上层“躯体”要提供更多的资源，使你继续走传播冷漠的道路呢！
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