判断是否是数字开头 Dim FirstNum As Boolean
判断是否为数字的开始 private boolean start
判断是否为空 empty ; String.prototype.isNull testNull
判断是否最小化 if
判断是否已有运算符号 Dim sign flag As Boolean
判断是否输入数据 input type"text" name"aa" br
判断是否开始光源 if
判断是否为闰年 int leap
判断是否闰年 int leap year
条件将由系统来判断是否正确。
Conditions are evaluated by the system to determine if they are true.
授权判断是否允许请求者使用服务。
Authorization assesses whether the requestor is allowed to use the service.
但是如何判断是否需要加载一个扩展点呢?
But how do you decide if you need to load an extension point?
OK, clearly we'd be much better off if we had some systematic quantitative way to tell whether something would happen spontaneously.
好,如果我们有一些系统定量的方法来判断,一个过程是否会自发进行,那就会更好了。
And so what this gave us was a very, very useful general criterion for determining whether something happened spontaneously.
这个告诉我们的是一个,非常非常一般的判据,他能帮助我们判断一个过程是否自发进行。
And so you could construct all subsets, check that the weight is less than the weight of the knapsack, and then choose the subset with the maximum value.
因此你可以构建所有子问题,判断它的重量,是否小于背包的重量,然后选择值最大的子问题。
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