Post-pruning in CART consists of the following procedure: A: First, consider the cost complexity of a tree. B: Then, for each internal node, N, compute the cost complexity of the subtree at N. C: And also compute the cost complexity of the subtree at N if it were to be pruned. D: At last, compare the two values. If pruning the subtree at node N would result in a smaller cost complexity, the subtree is pruned. Otherwise, the subtree is kept.

He scratched his hands badly while pruning the ruse-bushes. A: rubbed B: tore C: stroke D: clawed

【单选题】读取 post 方法传递的表单元素值的方法是 A. $_post[" 名称 "] B. $_POST[" 名称 "] C. $post[" 名称 "] D. $POST[" 名称 "]

Where is the drug store（） A: On the right to the post office. B: Opposite to the post office. C: On the left to the post office. D: Far away from the post office.

The woman asked the policeman where ______. A: the post office is B: was the post office C: is the post office D: thepost office was

在新闻发布系统，注册功能模块中，获取注册信息通常用（ ）。 A: $_POST[ “名称”] B: $_POST[ 名称] C: $POST[ “名称”] D: POST[ “名称”]

GET和POST的区别，何时使用POST？

PHP文件怎么接收表单提交的验证码的值( ) A: $c=$POST[‘c'] B: $POST[‘c']=$c C: $_POST[‘c']=$c D: $c=$_POST[‘c']

$_POST 不可以获取post方式提交的变量数组

post