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搜索关键字:网站时常出现too many connection的错误    ( 3603个结果
unblock with 'mysqladmin flush-hosts'"
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
POJ 3286 How many 0's?
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...
分类:其他好文   时间:2014-06-28 15:35:56    阅读次数:175
find中的 time 参数
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...
分类:其他好文   时间:2014-06-28 12:09:59    阅读次数:222
[LeetCode] Unique Binary Search Trees
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'...
分类:其他好文   时间:2014-06-28 11:57:50    阅读次数:232
[LeetCode OJ]-Climbing Stairs
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...
分类:其他好文   时间:2014-06-24 10:22:48    阅读次数:214
[Hibernate] - many to one
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...
分类:系统相关   时间:2014-06-23 08:39:33    阅读次数:570
UVa 10061 - How many zero's and how many digits ?
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...
分类:其他好文   时间:2014-06-22 20:23:39    阅读次数:178
【dataStructure】 Arrays and Java Source Review
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:PL/SQL: ORA-00913: too many values
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
Open vSwitch Advanced Features Tutorial=======================================Many tutorials cover the basics of OpenFlow. This is not such atutorial....
分类:其他好文   时间:2014-06-21 16:00:06    阅读次数:271
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