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HDU - 3746 Cyclic Nacklace (KMP求循环节)
Description CC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are only 99.9 yuan left. he is too distressed and thinki...
分类:其他好文   时间:2014-09-12 17:12:53    阅读次数:202
UVA - 246 10-20-30 (模拟+STL)
Description  10-20-30  A simple solitaire card game called 10-20-30 uses a standard deck of 52 playing cards in which suit is irrelevant. The value of a face card (king, queen,...
分类:其他好文   时间:2014-09-09 20:08:59    阅读次数:327
Ubuntu desktop installation problem and solving
Tried to install Ubuntu desktop on my Dell Inspiron 1420 but failed, finally work around it and solved the problem. All the problems encountered might be caused by my computer graphical card "NVIDIA GeForece 8400M GS", it has hardware failure before and I ...
分类:其他好文   时间:2014-09-09 16:13:09    阅读次数:266
JAVA card 应用开发(九)APDU脚本命令中MAC的校验
发卡行有主密钥。在发卡的时候,发卡行把主密钥根据卡号分散,卡片得到分散密钥。交易过程中,发卡行接收到包含卡号的交易数据,通过主密钥,根据卡号得到分散密钥,根据ATC和分散密钥,得到过程密钥,使用过程密钥加密数据,得到MAC。而卡片本身已经存储有分散密钥,在交易过程中,根据ATC和分散密钥,计算得到过程密钥,使用过程密钥校验MAC是否正确。...
分类:编程语言   时间:2014-09-09 16:04:28    阅读次数:405
hdu 4336 Card Collector(期望)
http://acm.hdu.edu.cn/showproblem.php?pid=4336 有N种卡片,每一袋零食里面最多有一张卡片,给出一袋零食里面每种卡片的概率,问平均要买多少袋零食能收集到所有的卡片。 状态压缩一下,共有1 这一袋零食里没有卡片,概率为p(没有一张卡片的概率),状态转移到sta; 这一袋零食里面有卡片j,但是他已经拥有这种卡片,概率是a[j],状...
分类:其他好文   时间:2014-09-06 16:09:53    阅读次数:260
Ubuntu wireless network connection in command line
After installed the the graphical card driver in Ubuntu, the gnome desktop was not working anymore, needs to install and setup the wireless network, herewith the procedure,...
分类:Web程序   时间:2014-09-05 22:27:02    阅读次数:226
Mybatis insert 返回主键
@Override protected int insert(Card record) { int result = cardMapper.insertSelective(record); return (int) (result == 1 ? rec...
分类:其他好文   时间:2014-09-03 19:49:27    阅读次数:151
sdio card休眠处理 sdio card removed解决办法
最近调试几款sdio card suspend时都会出现sdio card removed,之后  要么死机要么模块不能正常工作,根本原因也就是休眠没有处理好。 昨天在博通网卡上终于找到了解决方法。          1:host端需要设置nonremovable,软件设置:mmc->caps |=  MMC_CAP_NONREMOVABLE;          2:host端需要设置k...
分类:其他好文   时间:2014-09-02 23:00:00    阅读次数:674
Clash Credenz 2014 Wild Card Round题解
A题简单模拟。 1 /************************************************************************* 2 > File Name: A.cpp 3 > Author: Stomach_ache 4 > Mai...
分类:其他好文   时间:2014-09-02 19:43:45    阅读次数:277
[Hibernate] - Annotations - Many To Many
Hibernate annotation 多对多:下面测试例子会自动生成一张表:card,这张是bank和user表的映射表。里头是bank_id和user_id两个组合字段。如果想在这张映射表中加入额外的字段,那么hibernate似乎无法做到。因为这需要把多对多写成两个一对多的关系。事实上这样加...
分类:系统相关   时间:2014-09-02 19:27:25    阅读次数:233
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