There are N seaside villages on X island, numbered from 1 to N. N roads are built to connect all of them, which are also numbered from 1 to N, and the road with number i connects the village i and i % N + 1. Sometimes, for some reasons, some roads ar…

目前iOS已经不支持http协议了,不过可以通过info.plist设置允许 App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file.…

http://codeforces.com/contest/738/problem/C Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t minutes. There is a straight road of length s from the service to the cinema. Let's…

Ikki's Story I - Road Reconstruction Time Limit: 2000MS   Memory Limit: 131072K Total Submissions: 7659   Accepted: 2215 Description Ikki is the king of a small country – Phoenix, Phoenix is so small that there is only one city that is responsible fo…

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:9001/api/size/get. (Reason: CORS header 'Access-Control-Allow-Origin' missing). 打开API项目录,命名用NuGet安装Microsoft.AspNet.WebApi.Cors: 在WebApiCon…

ios进行http请求,会出现这个问题: App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file 解决办法:在工程文件*.plist中进行配置,截图如下: 用记事本打开工程文件,为: <key>NSAppTranspo…

监控作业发现一台服务器(Red Hat Enterprise Linux Server release 5.7)从凌晨1:32开始,有一小段时间无法响应,数据库也连接不上,后面又正常了.早上检查了监听日志,并没有发现错误信息.但是检查告警日志,发现有下面错误信息: Thread 1 advanced to log sequence 19749 (LGWR switch)   Current log# 2 seq# 19749 mem# 0: /u01/oradata/epps/redo02.lo…

使用SDWebImage加载“http://”开头的图片报错,错误如下: App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file. 找查资料后发现,iOS新特性要求App内访问网络请求,要采用 HTTPS 协议. 解决办…

C. Road to Cinema time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t m…

Road Trip Time Limit: 1000ms, Special Time Limit:2500ms, Memory Limit:65536KB Total submit users: 29, Accepted users: 29 Problem 12882 : No special judgement Problem description You are planning a road trip to visit your friends, each of whom live in…