是NULL 英语是什么意思 - 英语翻译

在 中文 中使用 是null 的示例及其翻译为 英语

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是null,但是类型仍然是对象.
Now value is null, but type is still an object.
而当调用时,外部的sayHi是null
And at the moment of the call that outer sayHi is null.
为什么name是null?”.
Why is the name null?".
为什么name是null?”?
Why is it named Null?
这里会返回b的length,或者返回null如果b是null的话。
This will return the length of b if b is not null.
如果一个值是null,另一个是undefined,则它们是相等:.
If one value is null and the other is undefined, they are equal.
如果D是null,就会抛出一个NullReferenceException并且不会进行下面的步骤。
If the value of D is null, a NullReferenceException is thrown and no further steps are executed.
不过,某些语言以一种特殊的方法对待null值,或者允许你安全的使用可能是null的值。
Some languages treat null values in a special way orallow you to work safely with values that might be null.
如果第一个参数是null或者不是一个对象,那么this指向的是全局对象。
If the first argument is null or not an object, this refers to the global object.
不幸的,如果一种语言允许任何东西为null,好吧,那么任何东西都可以是null
Unfortunately, if the language permits anything to be null, well, anything can be null.
如果一个值是null,另一个是undefined,则它们相等。
If one value is null and the other is undefined, they are equal.
如果所赋(内部)值是null,那么this关键字则引用全局对象。
If the value assigned(internally) is null then the this keyword will refer to the global object.
如果悬浮按钮的onPressed回调是null,那么按钮将会不可用并且不响应触摸事件。
If the onPressed callback is null, then the button will be disabled and will not react to touch.
如果源变量是null或引用一个不相关的对象,就会抛出一个InvalidCastException错误。
If the source argument is null or a reference to an incompatible object, an InvalidCastException is thrown.
相反,我们认识到,其实是我们想要到达的节点还不存在(指针是null)。
Instead, we will realize that the node we're trying togo down to doesn't yet exist(the pointer is null).
Length会警告您它的值可能是null,您可能会得到null引用异常。
Length is going to warn you about it potentially being null, and you potentially getting that null reference exception.
诊断NullReferenceException时,现可从异常帮助器的右侧快速查看哪些内容是null
When you diagnose a NullReferenceException, you can quickly see what was null right inside the Exception Helper.
如果对象即可能是null也可能是非null,你就应该使用ofNullable()方法:.
If the object can be both null or not-null, then you should instead choose the ofNullable() method:.
如果shapeType是Null(shapeType==0),结果就会出现AttributeError。
If the shapeType is a Null(shapeType== 0) then an AttributeError is raised.
一个单独的资源对象,一个单独的资源标识对象或者是null,为了去请求目标资源.
A single resource object,a single resource identifier object, or null, for requests that target single resources.
上面的示例中,如果user变量是null,它会返回一个Optional,它所包含的User对象,其电子邮件为“default”。
In the example above, if the user variable is null, then an Optional containing a User object with the email“default” is returned.
这个约定指明了,除非发生了错误,否则所传进去给回调函数的第一个参数将会是null,第二个参数才会是数据。
This convention stipulates that unless there's an error,the first argument passed to the callback will be null, and the second will be your data.
如果键是NULL,长度是NULL。
If the cell is null its length is zero.
这个值不能是NULL
This value can't be zero.
ISNULLISNULL运算符返回布尔值true,如果它的操作数是NULL或FALSE(如果它不为NULL)。
IS NULL The IS NULL operatorreturns the Boolean value TRUE if its operand is null or FALSE if it is not null..
这三类set可以是NULL,这种情况下select()不监视这一类事件。
A given set may be NULL, in which case select() does not watch for that event.
如果每一行的结果都是不等或NULL,并且至少有一个NULL,那么NOTIN的结果是NULL
If all the row results are either unequal or null, with at least one null,then the result of NOT IN is null.
地理空间参照系的角度测量单位必须是非NULL值,而非地理空间参照系的角度测量单位必须是NULL
The angular unit of measure must be non-NULL for geographic spatial reference systems andit must be NULL for non-geographic spatial reference systems.
在有些情况下,我们没有使用NOTNULL,这意味着这些列可能是NULL
Two columns where we did not use NOT NULL,which means these columns could be NULL.
在有些情况下,我们没有使用NOTNULL,这意味着这些列可能是NULL
There are two columns where we did not useNOT NULL which means these columns could be NULL.
结果: 30, 时间: 0.0184

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