Abstract. One of the important features of the
boost polygon library is the implementation of the generic sweepline algorithm
to construct Voronoi dia...
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其他好文 时间：
2014-05-07 13:43:36
阅读次数：
535
Problem:Work out the first ten digits of the
sum of the following one-hundred 50-digit
numbers.3710728753390210279879799822083759024651013574025046376...
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其他好文 时间：
2014-05-07 13:34:38
阅读次数：
299
这道题虽然是上一道题的增强，但是反而简单了。可以交易无数次，但是买卖必须成对的出现。
为了简单起见，我用abc三股股票来说明，且忽略掉相等的情况。三个数一共有六种大小关系。注意他们之间的先后顺序是不能乱的。
1. a
2. b
3. a
4. b
5. c
6. c
好的，你已经看出来了，只要当相邻的两个数是后面一个较大时，就之间累计上他们的差，否则，pass。直观一点的表述，只要...
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其他好文 时间：
2014-05-07 12:33:11
阅读次数：
512
言简意赅A single instruction enters the CPU at the
Fetch stage and the PC is incremented in one clock cycle. In the next clock
cycle, the instruction move...
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其他好文 时间：
2014-05-07 11:23:20
阅读次数：
417
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of gr...
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其他好文 时间：
2014-05-07 06:10:17
阅读次数：
370
One evening Johnny found some funny looking beens in his grandfather's garden shed, and decided to plant one of them. Next morning, to his surprise he found an enormous beanstalk growing in his back y...
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其他好文 时间：
2014-05-07 05:17:42
阅读次数：
303
Description
Squares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his 'toilet series' (where he had to use his toilet paper to draw on,...
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其他好文 时间：
2014-05-07 05:16:29
阅读次数：
385
1.SQL TO String ：只返回一个查询结果 例如查询某条记录的总数 rs =
stmt.executeQuery(replacedCommand); if (rs != null && rs.next()) // rs
only contains one row and one colu....
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数据库 时间：
2014-05-07 00:18:30
阅读次数：
600
(defun buffer-exists (bufname)
(not (eq nil (get-buffer bufname))))
(defun make-shell (name)
"Create a shell buffer named NAME."
(interactive "sName: ")
(if (buffer-exists "*eshell*")...
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其他好文 时间：
2014-05-06 19:40:04
阅读次数：
262
自PHP-5.3.3起，PHP-FPM加入到了PHP核心，编译时加上--enable-fpm即可提供支持。PHP-FPM以守护进程在后台运行，Nginx响应请求后，自行处理静态请求，PHP请求则经过fastcgi_pass交由PHP-FPM处理，处理完毕后返回。Nginx和PHP-FPM的组合，是一种稳定、高效的PHP运行方式，效率要..
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其他好文 时间：
2014-05-06 17:17:15
阅读次数：
579
