c语言面试题及答案(1)2007-04-06 17:541．#include "stdio.h"int main(){int a;int *p;p = &a;*p = 0x500;//给a赋值a = (int )(*(&p));//取p的地址的内容给aa = (int )(&(*p));//取p指针的内容给aif(a == (int)p) 

//判断是否是数字（含负号） public static boolean isAllNums(String str){    Pattern pattern = Pattern.compile("-?[0-9]+.?[0-9]+");    return pattern.matcher(str).matches();    } //判断是否是整数（含负号）    publi

<br />import os<br />import webbrowser<br />os.system('"C:/Program Files/Internet Explorer/iexplore.exe" http://www.baidu.com')<br />webbrowser.open("www.baidu.com")

<br />#传参调用exe程序（解决相对路径，觉得路径问题），等待exe进程结束，此程序才结束。<br /># -*- coding: utf-8-*-<br />import os, os.path, sys<br />import win32process, win32event<br />exe_path = sys.argv[1]<br />exe_file = sys.argv[2]<