查询词典 null character

If the number specified in left is less than or equal to zero, then returns a null string, so LEN function returns 0

如在LEFT 内的数值是等於或小於0则输出为空白，所以LEN长度为0

If this function returns NULL, we interpret it as no more handle to obtain so the current hEdit is the last control in the line.

如果这个函数返回值为 NULL ，说明在当前窗口句柄链中没有其它的句柄了，所以当前的 hEdit 是这个链上的最后一个句柄。

It's impossible to call a virtual function through a null pointer at runtime because of an uninitialized vtbl.

它不需要用对象指针·它节约了vtbls所需的内存·在运行时不可能发生因为没有初始化vtbl而通过一个空指针调用虚函数。

It shouldn't come instead of making an effort to write correct code, to add many tests in the code for invalid function arguments, NULL pointers, etc.

这不能取代为写出正确的代码作出努力——增加大量的对无效的函数参数、空指针等等的测试。

If this function returns NULL, no exception has been raised and the caller should assume no current thread state is available.

如果这个函数返回 NULL，没有抛出异常，调用者会假定当前线程状态无效。

Programmatically check to determine if a function has returned null instead of an instance of an object.

异常助手如果结合"编辑后继续运行"来使用，将焕发难以置信的效率，我们下次就介绍"编辑后继续运行"。

If the specified memory block has been discarded or if the memory block has a zero-byte size, this function returns NULL.

如果指定的内存块已经被释放或者大小为0字节，该函数将返回NULL。

An important thing to note here is that ALL doesn't cause an aggregate function to consider NULL values.

使用All不会使聚集函数在执行时将空值包含在结果集中，只能使用NVL函数间接将空值转换成某个固定值，以使其能被包含在结果集中。

Even when an operation produces no output data, and lpOutBuf is NULL, the KernelIoControl function uses the variable pointed to by lpBytesReturned .

即使一个操作没有产生输出数据， lpOutBuf 是 NULL ， kerneliocontrol 函数使用 lpBytesReturned 参数指向的这个变量。

Wealso define a family of functions named an Anti de Sitter null height function on thetimelike surface.

尽管研究方法是类似的，但是在类时曲面情形可以得到很多新的几何信息。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。