null array
英 [nʌl əˈreɪ]
美 [nʌl əˈreɪ]
网络 零数组; 空数组
双语例句
- But as we hope we've shown in the table, that really represents an array with a single element whose value is null, not a null array.
但是，正如我们希望的，在表中已经显示，它真正表示的是含有单一元素的数组，元素的值为“零”（null），而不是一个“零”（null）数组。 - We must remember to check for listFiles() returning null and turn that into an empty array.
我们必须记得要检查listFiles（）是否返回null，然后使其变成空数组。 - But when dealing with a collection of data, the distinction between a null array ( which returns null) and an empty array ( which returns itself) needs closer attention.
但是，当处理数据集合时，零数组（返回零）和空数组（返回其本身）需要密切关注。 - Until standards bodies recognize and map this wrapped array pattern appropriately, this solution is something you should apply only if you really must distinguish a null array from an empty array.
只有在标准组织适当地认可和映射这个包装的数组模式之后，您才能应用这一解决方法（如果您确实需要区别零数组和空数组的话）。 - That's fine in Java; a Java client would have correctly de-serialized it back to a null String for the second element in the array.
这在Java中是非常有用的；Java客户端可以正确地将它反序列化成空的String值，该值是数组中的第二个元素。 - Otherwise, there can be confusion over whether an empty array is a null object, an array with no elements, or an array with a single object containing null or empty values.
否则，可能对一个空数组是null对象还是没有任何元素的数组，亦或带有一个对象且此对象包含null或空值的数组产生混淆。 - The array is null-terminated per the man pages.
根据手册页的描述，该数组以Null结尾。 - When an array variable is NULL or when the element being assigned is in a position beyond the current cardinality, all the elements between the old last element and the new one are implicitly assigned the NULL value.
在阵列变量为NULL或被指定的元素位于超过当前基数的位置上时，最古老的元素和新元素之间的所有元素都被隐式分配NULL值。 - When the value of an array variable is NULL, there is no memory allocated for it.
在阵列变量值为NULL时，不为它分配内存。 - For that effect, JSON defines the following main data structures: number, string, boolean ( true and false), array ( an ordered sequence of values), object ( collection of key value pairs), and null.
为了实现该目的，JSON定义了以下主要数据结构：数字、字符串、布尔值（真或假）、数组（值的有序排列）、对象（键值对集合）和null。 - Else, it goes through the binding vector array looking for a non-NULL pointer to binding handle.
否则，它循环遍历绑定向量数组，寻找非NULL的绑定句柄指针。 - There are also some tools that will detect areas in source code that are likely to access null pointers or addresses beyond array boundaries.
还有一些工具能够检测到源代码中可能访问null指针或在数组范围之外寻址的位置。 - XML does not distinguish between a null array and an empty array.
XML不区分零数组（nullarray）和空数组（emptyarray）。 - If no additional roles are required, this parameter must be an empty array instead of null.
如果不需要任何额外的角色，那么该参数将为一个空数组，而不是null。 - The regmatch ( re, text) function compares the regular expression to the text, yielding either Null for no matches or an array of pairs of integers ( a two-element array).
regmatch（re，text）函数将比较正则表达式和文本，如果没有匹配的话就生成Null值，否则生成一个由成对整数组成的数组（双元素数组）。 - Listing 2 shows an array constructor with four elements with values given by the NULL constant, a variable, a literal and a scalar sub-query, respectively.
清单2显示具有4个元素的阵列构造函数，其值分别由NULL常数、变量、文字和标量子查询提供。 - Other options are execl ( 2), which takes the parameters in individual arguments, or execvp ( 2), which also takes a null-terminated array of environment variables.
其他选项包括execl（2）（它单独接受各个参数）或execvp（2）（它也接受一个以Null结尾的环境变量数组）。 - A null return value implies all active slices, while an empty array will raise an exception.
空返回值意味着所有片都是活动的，而空数组则会引发一个异常。 - One easy trap to fall into here is to guess that a null array inside a bean is really represented by the XML in the second column.
很容易落入的一个陷阱就是猜测在表的第二列中用XML表示在Bean中的“零”（null）数组。 - This tip addresses one of those cases: the distinction between an array which is null, and an array which has no elements.
这里介绍的技巧用于处理其中的一个情况：一个为“零”的数组和一个没有元素的数组之间的差别。 - An empty or null array is not a valid return value.
空的或null数组不是一个有效的返回值。 - Array is not null, the last entry in the array will be the property descriptor that describes the list property that is another list of items.
数组不为空，则该数组中的最后一项将为属性说明符，它描述作为另一个项列表的列表属性。 - A null synthesis method for circular array without coupling is presented, and the effects of coupling to null are also analyzed by the method of moments.
给出一种无互耦情况下圆形阵列天线零点综合的有效方法，分析了互耦对零点综合的影响，并采用互阻抗近似的方法在考虑互耦时对零点进行控制。 - Adaptive Null Control in Shaped Patterns of Array Antennas
阵列天线赋形波瓣仅相位加权实现自适应零控 - From this important purpose adaptive algorithms, genetic algorithms, control algorithms of sidelobes peak, null control algorithms for the four areas, the synthesis of array pattern is rather detailed researched here.
本文重要从自适应算法、遗传算法、旁瓣峰值控制算法、零陷控制算法四个方面对方向图设计进行了较为详尽的研究。 - The main feature of AESA is to adaptive produce null in the pattern by weight control of elements in the array.
有源相控阵的主要特点之一就是可对方向图实现自适应波瓣控零。 - Adaptive null forming technology of circular array with uniform distributed directional elements is studied by utilizing Gram-Schmidt algorithm.
利用Gram-Schmidt正交化算法研究了均匀分布有向阵元的圆形阵列自适应零点形成技术。 - Secondly, the traditional auxiliary information supplied by compiler mainly concentrated on programming language syntax errors and other security related information such as null pointer, array bounds and other functional errors.
其次，传统编译辅助信息主要集中于对程序语言语法错误以及可能的空指针、数组越界等功能性错误的检测。 - The antenna array amplitude and phase errors were very big which affect the sidelobe and null depth of radar beam. So it is imperative to calibrate the array antenna under this situation.
高频雷达工作环境十分恶劣，阵列天线的幅相误差较大，破坏了雷达波束的旁瓣和凹口零值深度，为进行杂波干扰抑制，阵列幅相误差校准势在必行。