Cina. The other type of bucket trucks that is also widely used is the Elevating Work Platforms or most commonly known as scissor lift is one type of p...
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其他好文 时间：
2014-08-21 09:43:53
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294
Description
Given n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers a and b are relatively prime if there are no integers x > 1, y > 0, z > 0 such ...
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其他好文 时间：
2014-08-20 22:41:13
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264
Description
Problem E: How many 0's?
A Benedict monk No. 16 writes down the decimal representations of all natural numbers between and including
m and n, m ≤ n. How many 0's will he write down?
...
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其他好文 时间：
2014-08-20 19:42:02
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224
Kindergarten Counting Game
Everybody sit down in a circle. Ok. Listen to me carefully.
``Woooooo, you scwewy wabbit!''
Now, could someone tell me how many words I just said?
Input and...
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其他好文 时间：
2014-08-20 18:04:02
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205
A squarenumber is an integer number whose square root is also an integer. For example1, 4, 81 are some square numbers. Given two numbers a and b you will have tofind out how many square numbers are th...
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其他好文 时间：
2014-08-20 16:28:22
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151
1.源代码mysql启动和关闭命令启动/data/app/mysql/bin/mysqld_safe&关闭/data/app/mysql/bin/mysqladmin-uroot-pshutdown2.修改mysql最大连接数进入MySQL安装目录打开MySQL配置文件my.ini或my.cnf查找max_connections=100修改为max_connections=1000服务里重起MySQL即可3...
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数据库 时间：
2014-08-20 14:18:23
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219
2014-08-20 10:46:22,356 INFO [coreZkRegister-1-thread-1] [org.apache.solr.cloud.ShardLeaderElectionContext] - Was waiting for replicas to come up, but they are taking too long - assuming they won't c...
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其他好文 时间：
2014-08-20 12:36:22
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338
Problem:
s0 = "a", s1 = "b", s2 = "ba", s3 = "bab", s4 = "babba", s4 = "babbabab", is called Fibonacci string. For the string with index n, given a string str = "bb", calculate how many times in the...
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其他好文 时间：
2014-08-20 12:31:22
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146
[root@athController~]#novalistERROR:Anunexpectederrorpreventedtheserverfromfulfillingyourrequest.(OperationalError)(1040,‘Toomanyconnections‘)NoneNone(HTTP500)解决办法：key_buffer=64Mmax_allowed_packet=16Mthread_stack=192Kthread_cache_size=8myisam-recover=B..
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数据库 时间：
2014-08-20 10:35:46
阅读次数：
437
题目：Given an integer N, and how many pairs (A;B) are there such that: gcd(A;B) = A xor B where 1=2)是不同位数的。和同学讨论后得出如下证明：设最大公约数为 j, 假设这两个数是b 和 b+k*j，（k>....
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其他好文 时间：
2014-08-19 23:50:55
阅读次数：
233
