/proc 是一个伪文件系统, 被用作内核数据结构的接口, 而不仅仅是解释说明/dev/kmem./proc 里的大多数文件都是只读的, 但也可以通过写一些文件来改变内核变量.下面对整个 /proc 目录作一个大略的介绍.[number]在 /proc 目录里, 每个正在运行的进程都有一个以该进程 ...
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其他好文 时间:
2015-04-09 19:34:25
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219
Problem DescriptionA number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are t...
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其他好文 时间:
2015-04-09 19:14:46
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111
fd_set的实现详细原理
define FD_SETSIZE 1024
typedef unsigned long fd_mask;
#define NBBY 8 /* number of bits in a byte */
#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mas...
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其他好文 时间:
2015-04-09 17:29:53
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149
??
问题描述:
Given a 2dgrid map of
'1's (land) and'0's
(water),count the number of islands. An island is surrounded by water and is formed byconnecting adjacent lands horizontally or vertically...
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其他好文 时间:
2015-04-09 17:27:50
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160
题目:Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.
For example, given the array [?2,1,?3,4,?1,2,1,?5,4],
the contiguo...
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其他好文 时间:
2015-04-09 17:25:35
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171
Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent ...
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其他好文 时间:
2015-04-09 17:19:01
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107
Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent ...
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其他好文 时间:
2015-04-09 17:11:32
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115
写法:假装有个表Shop,其中有一列ShopName,取100000到100050条数据。ROW_NUMBER 的写法SELECT * FROM(SELECT ShopName , ROW_NUMBER() OVER(ORDER BY ShopName) as RFROM Shop) tWHERE....
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数据库 时间:
2015-04-09 16:52:00
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290
标题:Number of Islands通过率:22.8%难度:中等Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and...
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其他好文 时间:
2015-04-09 16:50:38
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105
ROW_NUMBER() OVER(ORDER BY f.biaodanid desc) as KeyIddeclare @yymm nvarchar(10) set @yymm ='2015-04-08' select f.biaodanid '订单号',d.dingdanshuliang '订单...
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其他好文 时间:
2015-04-09 15:22:24
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129