How to get the last non empty value of a hierarchy?
如何让一个层次的最后一个非空值？
The via subelement of the rev element contains an empty value.
rev元素的via子元素包含一个空值。
An empty value for user name and a non-empty value for password.
用户名为空，密码不为空。
A non-empty value for user name and an empty value for password.
用户名不为空，密码为空。
If a security label does not have a value for one of the components, then an empty value is assumed.
如果安全标签没有用于某个组件的值，那么设定该值为空值。
As the checklist 1.1 indicated, you should set the Alt attribute for the ICONS to have an empty value.
如检查列表1.1指出的，您应当将图标的al t属性设为空值。
You can test for them explicitly or rely on PHP to return a default empty value when you reference them.
您可以显式地对它们进行检测，或在您引用它们时让PHP返回缺省的空值。
However, elements of type string do not appear as mandatory in the form because the schema accepts an empty value as valid input for a string.
但是，由于模式接受空值作为字符串的有效输入，因此，在表单中字符串类型的元素并不显示为必填的。
To do so, go to Edit page Settings for that page and set param.sharing.scope (under Advanced options - I want to set parameters) to a non-empty value such as scope1.
为此，请转到该页面的Editpagesettings，并将param . sharing . scope(在Advancedoptions-iwant tosetparameters下面)设置为某个非空值，例如scope1。
Now you set the store ID and supplier ID fields so that they do not accept an empty value. Of course, you can add a schema constraint into the XForms model to achieve this.
现在，设置storeID和supplier ID字段以使这两个字段不接受空值。
Actually such differences bring a series of problems, such as, differences of data structure, empty value data, illegal data, and repeated records, etc. when we need to use the primary data in audit.
这种不一致造成审计中需要的原始数据存在很多问题，比如数据结构的不一致、空值数据、非法数值以及存在重复记录等等。
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。
It is therefore important that your code checks a return value is not an empty handle before continuing execution.
所以在继续执行前，在代码中检查返回值是否为一个空句柄是非常重要的。
A null return value implies all active slices, while an empty array will raise an exception.
空返回值意味着所有片都是活动的，而空数组则会引发一个异常。
If value equals 1, the class is empty; otherwise, you should see 0.
如果值等于1，则该类是空的，否则应该看到0。
If an exception was raised, then assignment to the scoped variable will occur: as the EL expression in Listing 18 suggests, its value will not be empty.
如果产生了异常，那么就会对那个限定了作用域的变量进行赋值：如清单18中的EL表达式所显示的那样，该变量的值将不会为空。
An empty cell has no value associated with the cell's key.
一个空单元没有与单元的键相关联的值。
A variable is initialized with an empty text string as its default value when declared.
一个变量会使用一个空白的字符串作为声明时的默认值，来得到初始化。
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。
In the case that an attribute's value remains empty, a default value is set.
假如属性的值仍然是空白的，那么会设置一个默认的值。
It has an internal state variable that starts with the value EMPTY and becomes FULL as soon as an object is put into it.
它有一个内部状态变量，该变量的起始值为EMPTY，只要放进一个对象，该变量的值就变成FULL了。
If the string is not empty it will contain the value of the variable requested.
如果字符串非空，它就包含请求的变量值。
I felt totally empty, without any value.
我感到心里完全空虚了，没有任何价值了。
The goal is that the field will be validated on the server side to check that it is not empty and that the value is numeric.
目的是将字段在服务器端验证，检查其是否为空，其值是否是整数。
The value of the remaining letters written in the a | a format. If there are no letters left, the value is empty; otherwise, you call the template recursively.
用a | a格式写的剩余字母的值如果已没有字母，则该值为空；否则，递归调用该模板。
Ensure that the new value is not empty.
确保新值不为空。
Use the default value of Empty for the type of space to create, as shown in Figure 9.
使用缺省值empty作为要创建的空间类型，如图9所示。
If the value returned is an empty handle, and you do not have a TryCatch in place, your code must bail out.
如果返回值是一个空句柄，并且你没有正确的设置TryCatch，你的代码就会崩溃。
If the value returned is an empty handle, and you do not have a TryCatch in place, your code must bail out.
如果返回值是一个空句柄，并且你没有正确的设置TryCatch，你的代码就会崩溃。
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