查询词典 null function

At the end of the string a null character is appended.

字符串是双括号内的一连串字符，以"\0"字符结束。

In most cases, it's redundant to have two possible values for "no data;" Django convention is to use the empty string, not NULL .

在大多数情况下，用两种值表示没有数据是冗余的，所以 Django 的惯例是使用空字符串，而不是 NULL。

Returns the value of a request parameter as a String, or null if the parameter does not exist.

获得客户端传送给服务器端的参数值，该参数由name指定，通常是表单中的参数。

The local part is a string. The namespace URI is either null or a string.

局部名称是一个字符串，命名空间 uri 或者是 null 或者是一个字符串。

Pointer to a null terminated string that can specify the initial directory.

指向以空字符结束的字符串，可以在这个字符串中指定初始目录。

Null String Variant cannot be converted to a character.

不能将空字符串变量转换为字符。

Steps in the section also explain how to find empty or null values, zero-length string s, and quotation marks in records.

本节中的步骤还介绍了如何查找记录中的空值、零长度字符串和引号。

Thus to remove the virus string, I put the Search string to the virus script and the replacement string to NULL.

因此，要清除病毒字符串，我把搜索字符串病毒脚本和替换字符串为NULL。

Dimensions the array to 4 (just long enough to hold the string plus a null character), and stores the string in the array.

定义数组的尺寸是4（长度仅仅够容纳字符串和一个空字符），并把字符串存储在数列中。

If the string is enclosed in two pairs of double quotes, the first pair is considered to enclose a null string, and the rest of the string is discarded.

如果字符串引号括在双两对，第一对被认为是一个空字符串括起来，而其余的字符串将被丢弃。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样