I B? These laptop bags pupils a strong, durable
and resistant to exposure from day to day, for students to go to bags, such as
laptop computers remain...
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其他好文 时间:
2014-05-26 23:49:39
阅读次数:
533
1.远程服务器返回了意外相应:(413) Request Entity Too
Large修改客户端配置maxReceivedMessageSize="2147483647" 并在服务端修改webconfig,加入binding节...
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其他好文 时间:
2014-05-26 23:10:58
阅读次数:
370
How Many Fibs?Time Limit: 2000/1000 MS
(Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s):
3804Accepted Submission(s): 1498 Pr...
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其他好文 时间:
2014-05-26 15:11:13
阅读次数:
197
问题 L: Prime Factors
时间限制: 1 Sec 内存限制: 128 MB
提交: 36 解决: 28
[提交][状态][论坛]
题目描述
I'll give you a number , please tell me how many different prime factors in this number.
输入
There is multiple te...
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其他好文 时间:
2014-05-24 20:52:54
阅读次数:
311
Hibernate实体映射文件多对多等关系简单应用技巧,看了绝对觉得很简单。多对一,一对多中的column的名字自己取,但是对应的两个关系的两个column必须一样;
一般在多的一方,把属性名+Id当成column值,一对多 一方也使用这个column,这样就可以了;
多对多中,tables 是多对多的中间表一般命名中包括两个表名。 key中的column值得是集合外键,指的是引用当前自己表的外键,本对象+Id。 many-to-many指的是引用对方的外键,一般关联对象名+Id;...
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系统相关 时间:
2014-05-24 15:11:02
阅读次数:
329
默认每个连接数占用10M内存ulimit -a 查看stack
sizeMongoDB服务器内存要满足 connection overhead + data size + index
size即连接数开销+热点数据+索引连接数太多的问题:如果在日志中遇到类似如下的错误信息:"too many ope...
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数据库 时间:
2014-05-24 11:18:25
阅读次数:
378
题目以前的 一道题。题意:n个数,m条信息,每条信息是
从a到b的和,为s,判断有多少条信息错误,如果发现一条信息错误,就去掉这条信息,然后再往下看。 注意这些值可能有负的。 1 #include 2
#include 3 #include 4 #include 5 using namesp...
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其他好文 时间:
2014-05-23 07:19:00
阅读次数:
218
Background
Many problems in Computer Science involve maximizing some measure according to constraints.
Consider a history exam in which students are asked to put several historical events into chr...
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其他好文 时间:
2014-05-23 00:14:42
阅读次数:
386
Jimmy writes down the decimal representations of all natural numbers between and including m and n, (m ≤ n). How many zeroes will he write down?
Input
Input starts with an integer T (≤ 11000), denot...
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其他好文 时间:
2014-05-22 22:59:18
阅读次数:
354
Evolution is a long, long process with extreme complexity and involves many species. Dr. C. P. Lottery is currently investigating a simplified model of evolution: consider that we haveN (2
N N -1, a...
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其他好文 时间:
2014-05-21 13:43:27
阅读次数:
444