数据质量检查的四大类是什么？
数据质量检查的四大类是什么？为每类提供一种实现技术。
What are the four broad categories of data quality checks? Provide an implementation technique for each.
除非环境知道这个类是什么样的，否则您不能窄化一个对象以使用它。
You can't narrow an object for use unless the local environment knows what the class looks like.
实际上，只需将二进制序列化流的内容转储到控制台，就足以看清类是什么样子，以及它包含什么内容。
In fact, just dumping the contents of the binary serialized stream to the console is sufficient to figure out what the class looks like and contains.
一类是什么都不知道和只知道接受事实的人，一类是什么都不知道，并拒绝相信事实的人，还有一类是真的问题的人。
Those who know nothing and accept the fact, those who know nothing and refuse to believe it, and those who actually do know something about the subject.
结果，不管在LotusDominoV7.0.2中使用的自定义类是什么，所有的错误在运行时都被客户机视为AxisFault异常而不是自定义错误。
As a result, all errors regardless of the custom class used in Lotus Domino V7.0.2 are treated as AxisFault exceptions at runtime by the client and not as the custom error.
InfoQ：如果我想往Clojars上增加一个类库，那需要创建哪些元数据呢，最好的处理方式是什么？
InfoQ: If I want to push a lib to Clojars, what metadata do I have to create and what's the best way to do that?
不用考虑在run方法的最后一步操作中调用hsqldbrunningdecorator类给出的是什么。
Don't worry about what's provided by the class HsqldbRunningDecorator, invoked at the end of the action run method.
无论我何时，去想怎样建立一个有趣的程序，你们每次做这种思考的时候，你们想得第一件事，就是我应该要有什么类呢，它们是什么类型的呢？
Whenever I think about how to build an interesting program, and I hope whenever you think about it, the first thing I think about is, what are the classes I might want to have, what are the types?
EPC编码本身属于第一类，因为它指出观察的目标是什么。
The EPC code itself belongs to the first category, since it indicates what was observed.
那么真正的第4类ca听起来是什么样的呢？
告诉他每一项为什么归到那一类，让他明白你不付按揭贷款，不付汽车开销，不买食杂用品的后果是什么。
Explain why each item is a need or a want, making sure he understands what the consequences will be if you don’t pay the mortgage, car payment, buy groceries, and so on.
因此，不能复制在编译时根本不知道是什么类的类型引用。
OK, so you can't copy a reference to a type whose class is totally unknown at compile time.
在大洋底部发现蟹类并不是什么大事。
Finding crabs on the bottom of the ocean isn't that big a deal.
呃，这一类飞行不是什么稀奇事儿，谁想学都可以学会。它跟时间没有关系。
Well, this kind of flying has always been here to be learned by anybody who wanted to discover it; that’s got nothing to do with time.
尚未已知的是哪类单独的始祖鸟具有攻击性，并且攻击的原因是什么。
What remains unknown is what individual Xenicibis were fighting and why.
您可能会怀疑这里调用的是什么类的sort方法。
这非常有用，因为它允许特征在不了解实现特征的实际基类将是什么的情况下调用super 。
This is useful because it allows a trait to call super without having to know what the actual base class of the class implementing the trait will be.
其中最有用的一个就是privateaccessor类，它把对private方法的测试变成小菜一碟，无论选择的测试框架是什么。
One of the most useful of these is the PrivateAccessor class, which makes testing private methods a snap regardless of your testing framework of choice.
第三类战场上危在旦夕而只要你及时赶到就可以转危为安的事在生活中是什么呢？
What are the 3s in your life that are dying on the battlefield but which can still be saved if you reach them in time?
但是，在边界——对于属于自定义类的对象来说——难以声明最终是什么构成了“类-dictionary”或“类-file”的行为。
But at the boundaries — for objects that belong to custom classes — it is difficult to state definitively what constitutes "dictionary-like" or "file-like" behavior.
JVM的基本规则依然有效：Person的继承类在构造时向基类传递某些内容，而不管语言强调的是什么。
The basic rules of the JVM are still at work: derived classes of Person have to pass something up to the base class when constructed, regardless of what the language insists.
不管您在重构时为number成员所选择的访问选项是什么，当您考虑到此问题时，必须处理一组类。
Regardless of which access option you choose for the number member when refactoring, you must deal with a network of classes when you think about this problem.
具有自动递增实例属性实现类的最大蟒蛇的方式是什么？
What is the most Pythonic way of implementing classes with auto-incrementing instance attributes?
对于我从 JiBX 1.0的开发过程中学到的关于类处理是什么和不是什么的知识，现在是做一总结的好时候，这就是我在下个月的专栏中将要做的工作。
Now's a great time to summarize some of the classworking do's and don'ts I've learned in the course of the JiBX 1.0 development, so that's just what I'll do in next month's column.
我想您肯定知道hypochondriac是什么意思。这个词指一类人，他们想象自己身上有一堆大大小小的病症，而实际上他们却十分健康。
I'm sure you know that a hypochondriac is someone who imagines they have a multitude of medical problems when in fact they are perfectly healthy.
既然您首先应该编写测试，您就应该有一个失败测试，它会告诉您account类应该是什么样子。
Since you should be writing tests first, you should have a failing test that tells you what the Account class needs to look like. Your class should look similar to Listing 1.
类的名字是什么？
或者说，抽象类的正确使用是什么？
或者说，抽象类的正确使用是什么？
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