empty string
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释义
空行；
英英释义
Empty string
In formal language theory, the empty string (or null string)Kernighan and Ritchie, C, p. 38 is the unique string of length zero.
以上来源于:Wikipedia
权威例句
Empty StringEmpty String
Empty String
String (computer science)
Identity Element
The super $G$-string.
Checks for processes running on a local or remote machine.
THE SUPER G-STRING1
TO BE ANNOUNCED
HOW I SPENT MY SUMMER VACATION1234
Operaciones básicas definidas para string: • Creación de variables:
FilterChains and FilterReaders
Fingerstyle Guitar Masterpieces
1. The default value of this register is an empty string.
这个寄存器的默认值是一个空字符串。
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2. Clearing an input field causes an empty string.
清除一个输入域会导致空字符串。
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3. The function begins by creating an empty string.
此函数首先创建了一个空字符串。
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4. In all other cases where we cannot find the beginning of a tag, we return the empty string.
在无法找到标签开头的其他所有情况下，我们返回一个空字符串。
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5. If the index of the current letter is equal to the length of the string, this variable is an empty string.
如果当前字母的下标和字符串的长度相等，那么这个变量是一个空字符串。
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6. In some cases, the IP address range is returned as an empty array or an empty string.
在某些情况下，IP地址范围返回为一个空数组或一个空字符串。
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7. Numeric fields are given the value 0, and string fields have the empty string value.
数值字段被赋以0值，而字符串字段则赋以空字符串值。
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8. We set the values of their text nodes to the empty string and 0, respectively.
我们将其文本节点的值分别设为空字符串和0。
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9. If the schema is NULL or the empty string, the procedure restores the schema to the name from where it was backed up.
如果模式是NULL或空字符串，那么这个过程采用备份时的模式名进行恢复。
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10. For character data, this is an empty string.
对于字符数据，系统默认值为一个空字符串。
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11. If the supplied string does not contain a prefix, the namespace URI is an empty string.
如果提供的字符串并不包含前缀，则对应的名称空间uri将为一个空字符串。
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12. Note that the RSS_URI constant represents the default prefix, so an empty string is used as the prefix.
注意，RSS_URI常量代表默认前缀，因此一个空字符串用作前缀。
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13. If not, it sets the POST data to an empty string.
如果没有，POST数据设为空字符串。
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14. If a cell is empty, it is treated as having an empty string.
如果单元格为空，它以空字符串处理。
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15. If there is no email address for a given partner, an empty String is returned.
如果对于给定的合作伙伴没有电子邮件地址，就返回一个空的String。
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16. This happens if you leave the event.title field null, or set it to an empty string.
如果让event . title字段为空，或者将它设置为空字符串就会出现这种情况。
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17. The skip variable was set to "(empty string), so all input, including Spaces, goes to the token directive."
skip变量设置为' '(空字符串)，所以所有输入(包括空格)都转至标志伪指令。
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18. The pathName parameter can be an empty string, or it can reference a file.
参数pathName可以是空字符串，或者引用一个文件。
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19. If this value is set to null or empty string, CLP throws a JCC exception: Column not updatable.
如果将这个值设置为null或空字符串，clp会抛出JCC异常：Column not updatable。
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20. The previous parameter starts off with the initial value, or, in this case an empty string.
previous参数有一个初始值，在本例中，是一个空白字符串。
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21. Checkbox.attr (" checked ") returns empty string. Need to use.
attr (“checked ”)返回空字符串。
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22. Image with empty string SRC attribute occurs more than one will expect. It appears in two form.
一个sr c属性为空串的图像有两种情况。
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23. Return, respectively, an empty string value or an empty string array.
它们分别返回一个空的字符串值或者一个空的String数组。
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24. When you reach the end of the file, the readline method returns an empty string.
当到达文件末尾时，readline方法返回一个空的string。
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25. This parameter can be an empty string or NULL, if defaults should be picked.
如果应该使用默认值，那么这个参数可以是空字符串或NULL。
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26. If you omit this parameter or pass an empty string, the default matching modes are used.
如果您忽略了此参数或传递空字符串，则将使用默认匹配模式。
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27. Any of these parameters can be an empty string.
这些参数都可以是空字符串。
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28. Both of these methods return an empty string if the attribute doesn't exist.
如果属性不存在，那么这两种方法都将返回空字符串。
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29. The rest of the expression is used to see if the value (without leading or trailing blanks) is an empty string.
表达式的其余部分用来检查值(去掉头尾的空格之后)是否是空字符串。
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30. This case has no URI, so an empty string works just fine.
这里没有URI，所以使用一个空字符串就可以了。
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empty string
