查询词典 null

How can one prove that the array is not null but empty using one line of code?

如何能够用一行代码证明该 array 不是 null 而是空值？

Each parameter defined in the get method can be null.

get方法中定义的每个参数可以为null。

This method returns null if no resource with this name is found.

如果文件不存在，返回null；如果存在，就打开为InputStream。

The method returns null for territories that dont have a currency, such as antarctica.

对于没有货币的领域，比如南极洲，方法返回null。

Set that to NULL. The latter method is portrayed later where I discuss how to restrict a modeless dialog to one instance.

设置为 NULL 。后者的方法是描绘后来我讨论如何限制非模式对话框，以一个实例。

This is really no different from code that tests whether an object reference is null before calling a method on the object, it just so happens that we're dealing with events here.

对于任何首先检查对象是否为null，再在对象上调用方法的代码而言都是这样，处理事件时也不例外。

This method returns null if no resource is mapped to the pathname.

如果没有资源映射该路径名，该方法返回null。

By default, GameObj's implementation of this method returns NULL (which means "do not test this object for collisions"). To detect object-to-object collision, we're going to override this behavior in our classes and return a collision structure for each object.

qaf在处理碰撞检测时，需要物体拥有这个方法，如果这个物体需要得到碰撞检测，就让这个函数返回其内部的碰撞检测结构体，否则可以返回NULL。

The data a GetChunk call returns is assigned to variable. If Size is greater than the remaining data, the GetChunk method returns only the remaining data without padding variable with empty spaces. If the field is empty, the GetChunk method returns Null.

此方法取回的数据赋值给一个变量，若Size参数大于还需要取出的数据，则该方法返回剩余数据且并不在该变量后添加空格，若字段为空，则该方法返回NULL值。

The pointer is not NULL but the object is long gone.

指针不为NULL，但对象已经不存在了。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人