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Codeforces Round #214 (Div. 2)---C. Dima and Salad
Dima, Inna and Seryozha have gathered in a room. That’s right, someone’s got to go. To cheer Seryozha up and inspire him to have a walk, Inna decided to cook something.Dima and Seryozha have n fruits i...
分类:其他好文   时间:2015-04-21 22:52:16    阅读次数:137
linux内核学习-5任务调度(关注新浪微博:寂寞侵蚀的岁月(4000多篇技术分享))
void schedule(void) 105 { 106 int i,next,c; 107 struct task_struct ** p; // 任务结构指针的指针。 108 109 /* check alarm, wake up any interruptible tasks that have got a signal */ /* 检测alarm(进程的报警定时值),唤醒任何...
分类:系统相关   时间:2015-04-21 13:06:48    阅读次数:223
HDU 2825 Wireless Password(自动机+DP)
Description Liyuan lives in a old apartment. One day, he suddenly found that there was a wireless network in the building. Liyuan did not know the password of the network, but he got some important...
分类:其他好文   时间:2015-04-21 01:51:59    阅读次数:133
Error: expected expression, got '}'
1、错误描述 Error: expected expression, got '}' .globalEval/<@http://localhost:8080/Sys/resource/global/plugins/jquery.min.js:2:2613 .globalEval@http://localhost:8080/Sys/resource/global/plugins/jquery.mi...
分类:其他好文   时间:2015-04-17 23:50:53    阅读次数:281
python多线程编程(3): 死锁和可重入锁
死锁在线程间共享多个资源的时候,如果两个线程分别占有一部分资源并且同时等待对方的资源,就会造成死锁。尽管死锁很少发生,但一旦发生就会造成应用的停止响应。下面看一个死锁的例子:按 Ctrl+C 复制代码按 Ctrl+C 复制代码执行结果:Thread-1 got resAThread-1 got re...
分类:编程语言   时间:2015-04-17 20:10:58    阅读次数:164
Understanding node.js
Node.js has generally caused two reactions in people I've introduced it to. Basically people either "got it" right away, or they ended up being very c...
分类:Web程序   时间:2015-04-16 19:47:09    阅读次数:211
mysql 备份数据迁移,出错的处理
mysqldump -u root -p[password] db_sth > db_sth.sql 报错:mysqldump: Got error: 1286: Unknown table engine 'InnoDB' when using LOCK TABLES mysql -u root -p[password] use db_sth; show tables;...
分类:数据库   时间:2015-04-15 19:38:33    阅读次数:179
USER STORIES AND USE CASES - DON’T USE BOTH
We’re in Orlando for a working session as part of the Core Team building BABOK V3 and over dinner this evening we got to discussing the relationship b...
分类:其他好文   时间:2015-04-15 07:13:51    阅读次数:225
C#中的多维数组和交错数组
C#中有多维数组和交错数组,两者有什么区别呢! 直白些,多维数组每一行都是固定的,交错数组的每一行可以有不同的大小。 以二维的举例,二维数组就是m×n的矩阵,m行n列;而交错数组(又叫锯齿数组)有m行,但是每一行不一定是n列。Got it? 还有要注意C#中的数组也是一种类型(C++中不是)! 下面看实例: 二维数组:public static void Main() { int r...
分类:编程语言   时间:2015-04-14 21:34:14    阅读次数:170
坑爹的跨域iframe高度
如果遇到子页面跨域的问题,可通过HTML5的postMessage来实现,但前提是子页面需要主动向父页面发送信息。下面是子页面部分: Got post? Lots of stuff here which will be inside the iframe. 在父页面中获取到子页面传递过来的...
分类:其他好文   时间:2015-04-13 18:40:41    阅读次数:122
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