Xenia the beginner mathematician is a third year student at elementary school. She is now learning the addition operation.
The teacher has written down the sum of multiple numbers. Pupils should ca...
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其他好文 时间:
2014-07-22 23:05:53
阅读次数:
382
The circle line of the Berland subway has n stations. We know the distances between all pairs of neighboring stations:
d1 is
the distance between the 1-st and the 2-nd
station;
d2 is
the d...
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其他好文 时间:
2014-07-22 23:05:14
阅读次数:
302
以下内容摘自《步步惊芯——软核处理器内部设计分析》一书
EXCEPTION模块的作用
为了便于说明,在进行具体指令分析之前,给出在异常处理类指令执行过程中涉及到的主要模块连接关系,如图7.1所示,图中的大部分模块在前几章分析指令的时候都有所涉及。但在本章会使用不同的输入输出接口。该图仍然采用模块左边是输入接口,右边是输出接口的绘制方式,这样做的好处是一目了然知道哪些...
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其他好文 时间:
2014-04-30 22:14:40
阅读次数:
441
1D people lived in a 1D country. Everything in the country was one-dimensional, and everything was simple and clear: just one axis and two directions — forward and backward. Even a 1D world has proble...
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其他好文 时间:
2014-04-29 13:44:22
阅读次数:
284
以下内容摘自《步步惊芯——软核处理器内部设计分析》一书
我们在计算机体系结构的学习中知道:中断实质上包括由外部事件引起的硬中断(又称外中断)和由内部预先安排的特定指令或内部异常引起的软中断(又称内中断或异常)两大类。在OR1200处理器中将中断称之为异常(exception),硬中断是其中的一种异常,当然这只是说法的不同而已。当异常发生时,有关处理器的状态信息被存储到某些...
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其他好文 时间:
2014-04-29 13:41:22
阅读次数:
405
Aggressive cows
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 5436
Accepted: 2720
Description
Farmer John has built a new long barn, with N (2 <= N <= 100,...
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其他好文 时间:
2014-04-29 13:22:21
阅读次数:
304
The blonde Angela has a new whim: internet chats. Of course, as any blonde, she writes her messages using the upper case. You are the moderator of Angela's favorite chat and you're fed up with her upp...
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其他好文 时间:
2014-04-29 13:17:21
阅读次数:
293
FAILED: Error in metadata: java.lang.RuntimeException: MetaException(message:org.apache.hadoop.hive.serde2.SerDeException org.apache.hadoop.hive.hbase.HBaseSerDe: columns has 3 elements while hbase.columns.mapping has 4 elements (counting the key if implic...
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其他好文 时间:
2014-04-29 13:17:21
阅读次数:
387
需求:后台(指管理员后台)上传一个html模板到文件服务器上,前台(商家操作的平台)读取到模板,并填充数据,生成新的vm页面到webapp/WEB-INF/view目录下,用于预览、保存、打印。
最开始的代码:
@Test
public void test() throws Exception{
String templateUrl = baseServic...
分类:
Web程序 时间:
2014-04-29 13:11:21
阅读次数:
465