查询词典 null

Make sure you are not accessing null pointer.

确保你不会访问null指针。

Self cannot be a null pointer because we would not have otherwise found this method.

self 不可以是空指针，要不然我们会找不到这个方法。

Here's what results from dereferencing a NULL pointer on a PC running Version 2.6 of the kernel.

这是通过在一台运行着2.6内核的PC机上废弃一个NULL指针所引起的。

Always check for an incoming NULL pointer, when there is a pointer involved.

总是检查传入NULL指针，当涉及的是一个指针。

Null pointer errors are usually the result of one or more programmer assumptions being violated.

空指针错误通常是一个或多个程序员假设出错的结果。

If the list is empty a NULL pointer is returned.

如果链表本空，则返回一个 NULL 指针。

Hence, initializing a pointer to NULL is equivalent to initializing it to 0

因此，把指针初始化为 NULL 等效于初始化为 0 值

If the system is unable to allocate memory for a new instance of the application, the returned instance pointer will be NULL.

如果系统无法为应用程序的新实例分配内存，返回的实例指针将是NULL。

A NULL pointer and an empty string are considered different .

NULL 指针和空字符串是不同的。

Removing an element not in a set will result in a null pointer being passed to delete.

删除一个不在set 中的元素会导致一个空指针被传递给delete。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。