*** glibc detected *** malloc(): memory corruption: 0x09eab988 *** 发现是由于memset越界写引起的. 在Linux Server上不好模拟出来:不过若是先malloc,再越界memset,再free此内存块,然后malloc新内存块就会出现类似错误. #include<stdio.h> #include<stdlib.h> #include<string.h> int main() { char *p…

分二步: 第一步:点击windows键,在"搜索程序和文件"的文本框输入:cmd 第二步:输入:shutdown -s -t          (设置电脑一小时后自动关机) 备注:3600指的是秒(即3600秒=60分=1小时),它是以秒为单位的. 如果想取消这个设置,怎么办? 分二步: 第一步:点击windows键,在"搜索程序和文件"的文本框输入:cmd 第二步:输入:shutdown -a 版权声明:本文为博主原创文章,未经博主允许不得转载.…

第一步: 点击windows建(屏幕左下方),在搜索程序和文件文本框内输入:cmd 第二步:      点击Enter建进入. 第三步: 输入:ipconfig即可. 版权声明:本文为博主原创文章,未经博主允许不得转载.…

在实现消息推送之前先提及几个于推送相关概念,如下图: 1. Provider:就是为指定IOS设备应用程序提供Push的服务器,(如果IOS设备的应用程序是客户端的话,那么Provider可以理解为服务端[消息的发起者]): 2. APNS:Apple Push Notification Service[苹果消息推送服务器]: 3. iPhone:用来接收APNS下发下来的消息: 4. Client App:IOS设备上的应用程序,用来接收iphone传递APNS下发的消息到制定的一个客户端 a…

sscanf 其实很强大 分类: 纯C技术 技术笔记 2010-03-05 16:00 12133人阅读 评论(4) 收藏 举报 正则表达式stringbuffercurlgoogle 最近在做日志分析,linux C 的开发环境,在对每行日志进行处理的时候,手下一个小伙用的是逐字节拆分成字段. 刚开始没注意,后来每天10几G的日志上来后,发现除了速度特别慢以外,还经常出问题,遇到错误格式的日志就直接崩溃... 拿过来帮他改的时候,觉得这里完全可以用sscanf来进行处理,于是google+ma…

Uncle Tom's Inherited Land* Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1869    Accepted Submission(s): 777 Special Judge Problem Description Your old uncle Tom inherited a piece of land fr…

PIGS Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 18209 Accepted: 8277 Description Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come to th…

4 Values whose Sum is 0 Time Limit: 15000MS Memory Limit: 228000K Total Submissions: 17875 Accepted: 5255 Case Time Limit: 5000MS Description The SUM problem can be formulated as follows: given four lists A, B, C, D of integer values, compute how man…

Gold Balanced Lineup Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 13215 Accepted: 3873 Description Farmer John's N cows (1 ≤ N ≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by h…

Babelfish Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 36398 Accepted: 15554 Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a d…