There are n SMTP servers connected by network cables. Each of the m cables connects two computers and has a certain latency measured in milliseconds required to send
an email message. What is the sh...
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其他好文 时间:
2014-08-11 21:25:02
阅读次数:
384
1.Set存放的元素是无序的不可重复。
2.List存放的元素为有序可重复。
3.重写equals方法,一般最好重写hasCode方法,当对象作为key的时候及索引,会使用hasCode方法进行查找。
4.容器对象在调用remove,contains等方法时需要比较对象是否相等,这会涉及到对象类型的equals方法和
hashCode方法。对于自定义的类型,需要重写equals和has...
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编程语言 时间:
2014-08-11 21:24:32
阅读次数:
273
问题
设置mac地址 11:22:33:44:55:66, 在OpenWrt正在开发的主trunk上就没有SIOCSIFHWADDR: Cannot assign requested address, 这个问题。
但是到attitude adjustment最新的trunk上就出现了,估计是内核版本不同,导致都mac地址的限制不同导致。
最新的反而不严格了?这个不科学啊。
解决方法...
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其他好文 时间:
2014-08-11 21:21:42
阅读次数:
522
City Horizon
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 16206
Accepted: 4414
Description
Farmer John has taken his cows on a trip to the city! As the ...
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其他好文 时间:
2014-08-11 21:19:42
阅读次数:
339
Search a 2D MatrixWrite an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row...
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其他好文 时间:
2014-08-11 21:14:42
阅读次数:
179
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?思路:使用两个指针slow和fast,分别以1和2的速度遍历链表。若链表中存在环,则...
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其他好文 时间:
2014-08-11 20:45:12
阅读次数:
230
修改 /etc/mysql/my.cnf 把 bind-address =127.0.0.1 注释掉然后1.设置远程访问将相应用户数据表中的host字段改成'%';use mysqlmysql> select host, user from user;+-----------+------+| ho...
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数据库 时间:
2014-08-11 17:39:12
阅读次数:
442
Sharepoint访问ashx问件报错:the file you are attempting to save or retrieved has been blocked from this web siteby the serveradministrator解决方案:1.打开Sharepoint...
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其他好文 时间:
2014-08-11 17:17:32
阅读次数:
227
Problem Description
The Leiden University Library has millions of books. When a student wants to borrow a certain book, he usually submits an online loan form. If the book is available, then the next...
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其他好文 时间:
2014-08-11 15:05:42
阅读次数:
274
In OpenERP 7.0. the form view of each object has been redesigned so that the object the user is working on resembles a real document. So, now when a u...
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其他好文 时间:
2014-08-11 14:55:52
阅读次数:
493