可以使用evaluate方法计算表达式。
1在运行模式中无法计算表达式。
根据当前的堆栈帧计算表达式。
参考程序#计算表达式树的值的算法。
在计算表达式时发生错误。
计算表达式的值并依次查看标记,直到找到一个匹配。
Evaluate expression and look at label in order until a match is found.
从数学计算上来说,上面这个黑体显示的表达式的结果应该是- 1。
Arithmetically, the result should be -1 in the expression shown in bold above.
表达式的问题是他们计算比大多数人期望更频繁。
The problem with expressions is that they are evaluated more frequently than most people expect.
类型参数就是表达式要计算的值的类型。
The type argument is the type of the value the expression evaluates to.
在现在,只要保证表达式计算的结果是一个集合或者数组就可以了。
For now, just ensure that expression evaluates to a collection or an array.
表达式的结果被计算并指定为属性的值。
The expression's result is evaluated and assigned as the property's value.
最后,计算XPath表达式得到结果。
Finally, you evaluate the XPath expression to get the result.
Map和grep对列表的每个元素计算块或表达式。
Map and grep evaluate a block or an expression for each element of a list.
很不错,答案是,找到一个通过输入数字,计算出来的数字表达式。
The answer was, find a mathematical expression depending on the number of inputs.
正则表达式在计算机语言理论中有很长的历史。
Regular expressions have their roots in computer language theory.
对于大多数计算机语言,表达式x !
function表达式的计算结果为给定的类型。
Predicate是计算结果为true或false的常见查询表达式形式。
Predicate is another common form of query expression that evaluates to either true or false.
第二行是一个表达式,解释器会计算这个表达式,然后把结果输出。
The second line is an expression, so the interpreter evaluates it and displays the result.
但当运算符类型增多后,对表达式的计算就不那么简单了。
When the operator type is increased, the calculation to the expression become difficult.
该阈值函数具有物理意义清晰、表达式简单、计算方便等优点。
因此,在计算机表达式之前,请务必了解表达式的作用。
Therefore, make sure you understand the effect of an expression before you execute it.
我的代码简单的追随这些步骤,使你有能力计算一个表达式。
My code simply follow those steps to make you able to evaluate an expression.
宿主进程在设计时表达式计算期间执行此代码。
The hosting process executes this code during design time expression evaluation.
这是怎么计算的表达式?
研究了表达式在计算机上的求解方法。
Methods of solution of the expressions in a computer are studied.
调试器尝试重新计算该表达式。
实现一个简易计算器,计算简单表达式字符串的值。
Implement a basic calculator to evaluate a simple expression string.
常量表达式是可在编译时可完全计算的表达式。
A constant-expression is an expression that can be fully evaluated at compile-time.
常量表达式是可在编译时可完全计算的表达式。
A constant-expression is an expression that can be fully evaluated at compile-time.
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