转自: http://www.cnblogs.com/susuyu/archive/2013/05/28/3104249.htmlMySql Host is blocked because of many connection errors; unblock with 'mysqladmin flu...
分类:
数据库 时间:
2014-06-28 18:28:17
阅读次数:
264
题目链接题意 :写下m到n之间所有的数,会写多少个0。思路 :先算0到m的,再算0到n的,最后相减。网上有位大神是这么推的,看下面。。。。首先转化成求 [0, x] 中所有数中,含有的 0 的个数那么对于一个数 x,怎么求出从 0 到 x 中所有数含有 0 的个数的和呢?我们可以限制每一位是 0,然...
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其他好文 时间:
2014-06-28 15:35:56
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175
find手册中对time的解释:以 atime 为例:-atime n File was last accessed n*24 hours ago. When find figures out how many 24-hours periods ago the file was last...
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其他好文 时间:
2014-06-28 12:09:59
阅读次数:
222
Given n, how many structurally unique BST's (binary search trees) that store values 1...n?For example, Given n = 3, there are a total of 5 unique BST'...
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其他好文 时间:
2014-06-28 11:57:50
阅读次数:
232
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb...
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其他好文 时间:
2014-06-24 10:22:48
阅读次数:
214
Hibernate的多对一操作:例子参考引用:http://www.tutorialspoint.com/hibernate/hibernate_many_to_one_mapping.htmhibernate.cfg.xml com.mysql.jdbc.Dr...
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系统相关 时间:
2014-06-23 08:39:33
阅读次数:
570
题目:给你一个数字n,一个数字b,问n!转化成b进制后的位数...
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其他好文 时间:
2014-06-22 20:23:39
阅读次数:
178
According to the order of data structure book, Arrays should be introduced in the frist time. When reviewing the some information related to arrays, I feel shocked that many useful classes and methods...
分类:
编程语言 时间:
2014-06-22 18:13:18
阅读次数:
316
ORA-00913错误
描述:PL/SQL: ORA-00913: too many values
目标:编写一个可以循环插入数据的脚本
操作过程:
SQL> desc tcustmer
Name Null? Type
----------------- -------- -------------------------...
分类:
数据库 时间:
2014-06-21 21:40:02
阅读次数:
326
Open vSwitch Advanced Features Tutorial=======================================Many tutorials cover the basics of OpenFlow. This is not such atutorial....
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其他好文 时间:
2014-06-21 16:00:06
阅读次数:
271