HDU 2095 find your present (2) 解法一:使用set 利用set,由于只有一个为奇数次,对一个数进行查询,不在集合中则插入,在集合中则删除,最后剩下的就是结果 /* HDU 2095 find your present (2) --- 水题 */ #include <cstdio> #include <set> #include <algorithm> using namespace std; int main() { #ifdef _LOC…

Problem Description In the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the desk, and only one of them will be yours.Each present has a card number on it,…

Problem Description In the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the desk, and only one of them will be yours.Each present has a card number on it,…

Problem Description In the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the desk, and only one of them will be yours.Each present has a card number on it,…

出现这种情况,例如:我在获取相册图片后,直接present到另一个页面,但是上一个页面可能还未dismiss,所以,要在获取相册图片的dismiss方法的complete的block里面写获取图片及跳转的方法!!!…

find your present (2) Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 21948    Accepted Submission(s): 8671 Problem Description In the new year party, everybody will get a "special present"…

HTTP Status 400 - Required String parameter 'userName' is not present 错误 先mark  有时间详细写 参考链接: https://yq.aliyun.com/articles/29107…

虚拟机Vmware上克隆了一个Red Hat Enterprise Linx启动时发现找不到网卡,如下所示,如果你在命令窗口启动网络服务就会遇到"Device eth0 does not seem to be present, delaying initialization"错误 关于这个错误,搜索了一下网上的资料,发现还蛮多人遇到过这类错误,了解了一下错误产生的原因和解决方案   错误原因: 克隆的Linux系统在新的机器上运行,新服务器网卡物理地址已经改变.而/etc/udev/r…

@RequestParam jQuery调用方式: deleteFile: function(filePath) { return ajax({ method: 'POST', url: '/cm/soft/package/package/deleteFile', data: { fileDir: filePath } }); }, 后台java controller形式 public BaseResultVO deleteFile(@RequestParam("fileDir") S…

Device eth0 does not seem to be present”解决办法 : 用ifconfig查看发现缺少eth0,只有lo:用ifconfig -a查看发现多出了eth1的信息. 解决办法1: # mv /etc/sysconfig/network-scripts/ifcfg-eth0  /etcsysconfig/network-scripts/ifcfg-eth1 将eth0的mac地址改为eth1的mac地址,同时改变其DEVICE名称为eth1,再重启网络即可. 解决…