YSlow是一个相对较小但非常有用的Firefox扩展。
YSlow is a relatively small but extremely useful Firefox extension.
具体来说，类型系统为您提供了可能未预料到，但非常有用的错误捕捉可能性。
The type system in particular provides you with probably unintended but quite useful error-trapping possibilities.
SOA原则非常强调将服务使用者和服务提供者分离开来，关于此类分离实际的含义，有很多不正式但非常有用的约定。
SOA principles place a strong emphasis on decoupling service consumers from service providers, and there are useful informal agreements about what such decoupling actually means.
这将成为一个令人惊喜的时刻。当你满心激动，努力领会那个不起眼但非常有用的想法的实用性时，周围的一切都好像静止了。
This becomes an AHA moment and everything freezes around you as you excitedly try to grasp the practicality of that little but powerful thought.
如我之前所说，在某些情况下这非常有用，但绝大多数时候，我会完全失去平衡。
As I said in certain circumstances this can be very useful but in general it leads to complete imbalance!
这个帖子是关于一类，这是经常被遗忘，甚至不知道的很多，但其中暴露出一些非常有用的方法。
This post is about one class which is very often forgotten or even unknown to many but which exposes some very useful methods.
这应该算作最佳实践，而不是针对服务的技术，但此方法经证实非常有用。
This is more of a best practice than a technique per se, but it has proven extremely useful.
模式中的部件的锁定属性有时非常有用，但您应该平衡一下此功能与最高的模式重用性。
Locking properties for parts in a pattern can be very useful, but you should balance this capability against enabling maximum pattern reuse.
此示例已经非常有用，但还可使它更强大，如清单5所示。
Although useful, this example can be more powerful, as shown in Listing 5.
但这在用户生产门户发生某些问题(无法在编写或登台环境中复制)时非常有用。
This is useful if some problems have arisen in your production portal which cannot be reproduced in your authoring or staging environments.
课堂教育确实非常有用和有价值，但那些使你成长和学到更多的真正的教育机会往往在教室外面。
Sure, the classroom education is useful and valuable, but the real opportunity to grow and learn more takes place outside of the classroom.
听起来没什么大不了，但如果你有一堆PDF文件要转换的话，我打赌你会发现这个功能非常有用。
Sounds simple but, as someone who has done a lot of PDF to Kindle conversions, I can attest that it is extremely useful.
根据标记名选取元素非常有用，但如果只是想根据css类选择一个元素子集，该怎么办呢？
Selecting elements by a tag name is useful, but what if you only want to select a subset of elements, based on their CSS class?
请注意，JVM跟踪经常产生很多输出，通常不推荐将其作为正常的运行时设置，但此跟踪在确定问题时非常有用。
Note that JVM tracing often produces copious output, and is not usually recommended as a normal runtime setting, but is useful for problem determination.
也许这篇文章应该到此结束，但需要注意的是这种技巧在制作一般用途的绕线时非常有用，但不用于其他要求特殊考虑的场合。
It should probably go without saying, but this technique is very useful for general-purpose wiring, and is not for anything requiring special considerations.
那么，哪类东西本身不是文件系统，但用这种方式表示却非常有用呢？
So, what kinds of things aren't filesystems, but are useful to represent that way?
代数和线性代数(比如,矩阵).他们会在教完代数后立即教线性代数.这也简单,这但相当多的领域非常有用,包括机器学习.
They should teach Linear Algebra immediately after algebra. It's pretty easy, and it's amazingly useful in all sorts of domains, including machine learning.
孤立地看，所有这些方法都是非常有用的，但实际上，您需要监视和跟踪多台计算机和多个OID，以了解全面的情况。
In isolation, all of these methods are useful, but in reality, you need to be able to monitor and track multiple machines and multiple OIDs to get a full picture of what is going on.
根据ID、元素类型或CSS类名查找元素非常有用，但如何根据元素在 DOM树中的位置执行查找呢？
Finding an element based on its ID, element type, or CSS class name is very useful, but what if you want to find an element based on its position in the DOM tree.
这在数据元素不同但通常相关的域中非常有用—就像我在本文开头展示的名片示例那样。
That comes in especially handy in domains where data elements may vary but are generally related - like the business CARDS example I presented at the beginning of the article.
在电脑只是显示屏、键盘和鼠标的时候，虽然非常有用，但只是一个工具。
When the computer was just a screen, keyboard and mouse, it remained, for all its usefulness, a tool. A means to an end.
最后我们来了解另一个非常有用的功能，你有可能从来不会用，但一学会就无法忘记。
Finally, let us take a look at another valuable feature that is often never used but once you learn how to use it, you will never forget it.
尽管这种方法不那么常用，但这可能是一种非常有用的工具。
有些数据之所以复制的数量如此之多，是因为它们对人们非常有用，就像操作系统一样，但大多数的数据会逐渐从人们的记忆中消失。
Some data is much copied because it is so useful, like operating systems, but mostly it is down to popularity.
“虽然我不感到吃惊，但这非常有趣。”Lechowicz说道。但获取更多细节上的数据会很有用，他说。
"Although I'm not surprised, it is very interesting," says Lechowicz, But more detailed data would be useful, he says.
Wilson的确说过这种技术对于行动不便但大脑可正常活动的人是非常有用的。
Wilson does say that the technology will be helpful for people with active brains but immobile bodies.
set-after-write技巧可能对状态复制非常有用，但还不能提供线程安全。
The set-after-write technique may be useful for state replication, but it is not enough to provide thread safety.
是一个非常有用的精心设计的产品，但同时也为获得大量侵权音乐大开方便之门。
Is a remarkably useful and well-designed service, but it's also an extremely convenient way to get large quantities of infringing music.
办公应用程序-尽管或许还不能威胁其他同类桌面产品，但Google文档是一个非常有用和受欢迎的办公套件。
Office applications. Although perhaps not yet in a position to threaten its desktop counterparts, Google Docs is a very usable and popular office suite.
办公应用程序-尽管或许还不能威胁其他同类桌面产品，但Google文档是一个非常有用和受欢迎的办公套件。
Office applications. Although perhaps not yet in a position to threaten its desktop counterparts, Google Docs is a very usable and popular office suite.
应用推荐