字符串

Its a good idea to check for null object reference to prevent NullReferenceException when it comes to objects but in case of Strings sometimes you get a string without any value or called as Empty string.

它的一个不错的主意，以检查空对象引用，以防止NullReferenceException时候，但物体的情况下弦乐有时你一个字符串没有任何价值或称为空字符串。

The string pointers in the structure may point to a null string which indicates that the value is not available.

结构体中的字符串指针可能指向一个空字符串，这表明此值不可用。

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。

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 a string-based field has null=True , that means it has two possible values for "no data": NULL , and the empty string.

如果一个基于字符串的字段类型设置了 null=True，这就意味着有两种可能的值用于表示"没有数据"：NULL 和空字符串。

For example, consider the following small problem: You have a list of numbers and a string of characters; you would like to construct a list of all pairs that consist of a number from the list and a character from the string, but only if the ASCII ordinal is larger than the number.

比如，考虑下面这个简单的问题：你有一个由数字组成的列表和一个由字符组成的字符串；你要构建另一个列表，它的元素就是列表中一个数字和字符串中一个字符的配对，而这个字符的 ASCII 码必须比这给数字大。

New directories inherit the mode of the parent directory, including bits such as setgid.

这个选项的内容是一个接口字符串的列表，每个字符串可以是下列任何一种格式

The value changes for your program only, not for GDB itself. value may be any string; the values of environment variables are just strings, and any interpretation is supplied by your program itself. The value parameter is optional; if it is eliminated, the variable is set to a null value.

这个改变只针对你的程序，不影响 GDB 本身。value 可以是任何字符串，环境变量的值仅仅是字符串，任何解释都是你的程序自己的。value 参数是可选的，如果没有，变量会设为空值。

That means finding a way to look at a string and determine if it's a valid Roman numeral.

这意味着要找出一个方法查看输入字符串并确定它检查一个字符串是不是一个有效的罗马数字。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。