If the former is true, then the indicator variable for that column is set to -1 which results in the column being updated with the null value.
如果是前一种情况，那么该列的指示符变量被设置为- 1，这导致该列被更新为空值。
The most notable change from XPath 1.0 to XPath 2.0 is the introduction of a much richer type system: Every value is now a sequence, with a single value being treated as a sequence of length 1.
XPath 1.0到XPath 2.0最引人注意的一个改变是引入了更加丰富的类型系统：每个值现在都是一个序列，一个单一的值将被视为长度为1的序列。
[Request command] is also 1 byte long, and its value is set based on the type of registers being addressed. For reading register values.
[requestcommand]的长度也是一个字节，它的值基于正被寻址的寄存器的类型设置。
If the document is not being loaded in edit mode, then the formula simply retains that value and stops executing (see figure 1).
如果不是以编辑模式加载文档，则公式将只是保持该值并停止执行(参见图1)。
If each buffer pool has an NPAGES value of -1, then the buffer pool size is being controlled through the BUFFPAGE parameter in the database configuration.
如果每个缓冲池都有一个为“-1”的npages值，那么缓冲池大小是由数据库配置中的BUFFPAGE参数控制的。
Listing 1 is the example implementation (from the most recent tip) of lookup tables that can provide a default value when the item being looked up is not found.
清单1是查找表的示例实现(摘自最近的那篇技巧)，在查找失败时，它可以提供默认值。
This handler prevents the default event (submitting the form) from being fired, sets the value of the extra ajax argument to 1, and makes an ajax Request using the original form for the URL and data.
这个处理程序阻止默认事件(提交表单)触发，将额外的ajax参数的值设置为1，使用原始表单发出一个ajax请求以获取URL和数据。
Then register_globals comes in -- and instead of just being available as $_GET['authorized'], there will also be a variable $authorized in global scope, with the value 1.
后来引入了 register_globals ——它取代了刚才使用的 $_GET['authorized']，同时在全局范围内还存在一个值为 1 的变量 $authorized。
If the computer is playing as min, it will obviously try to minimize the point value, with a win being equal to the smallest possible value (negative 1 million, for instance).
如果计算机是米恩一方，显然程序将试图最小化分值，并为获胜结局赋最小分值(例如负一百万)。
Setting the value to a negative number or a number higher than 12288 does not throw an exception but results in the control being set between 1 and 12288.
将这个值设定为负数或是大于12288的数字时，并不会掷回例外状况，但控制项还是会设定在1和12288之间。
Setting the value to a negative number or a number higher than 12288 does not throw an exception but results in the control being set between 1 and 12288.
将这个值设定为负数或是大于12288的数字时，并不会掷回例外状况，但控制项还是会设定在1和12288之间。
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