Do you know how to write the for-loop
efficiently? Read this to get it. :)
分类:
编程语言 时间:
2014-05-18 19:24:37
阅读次数:
382
试了不少方法,最后还是这个最有效。[转自:http://thatsimplecode.com/install-mongodb-driver-for-php-on-xampp-for-mac-osx]You
need to have the following installed in your Ma...
分类:
数据库 时间:
2014-05-18 19:10:28
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305
例如:有表1,表2两张相,希望通过like进行关联查询
// mysql中使用concat连接字符串
select t1.id, t1.title, t2.keyword from t1 inner join t2 on t1.title like concat('%', t2.keyword, '%');
// oracle、postgres 使用||连接字符串,其它库使用...
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其他好文 时间:
2014-05-18 15:57:36
阅读次数:
242
题目链接:
点击打开链接
题目:
Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch...
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其他好文 时间:
2014-05-18 15:56:34
阅读次数:
264
题目链接:
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5235
Calculate the Function
Time Limit: 2 Seconds Memory Limit: 65536 KB
You are given a list of numbers A1 A2 .. AN...
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其他好文 时间:
2014-05-18 09:52:49
阅读次数:
410
【题目】
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without any intervening characters.
For example, given:
S:...
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其他好文 时间:
2014-05-18 08:31:48
阅读次数:
228
题目大意:
给出N个数
0 操作 把 l ----- r之间的数全部开平方
1 操作 输出 l -----r 之间的和
思路分析:
判断区间里的数字是否全相同。如果相同,
将cov 置为该数
查询的时候和更新的时候,如果碰到cov != -1 的 就直接返回就可以了
#include
#include
#include...
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其他好文 时间:
2014-05-18 05:25:06
阅读次数:
227
Given a linked list and a value x, partition it
such that all nodes less than x come before nodes greater than or equal to x.You
should preserve the o...
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其他好文 时间:
2014-05-18 02:34:57
阅读次数:
352
Given a triangle, find the minimum path sum
from top to bottom. Each step you may move to adjacent numbers on the row
below.For example, given the fol...
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其他好文 时间:
2014-05-18 02:11:19
阅读次数:
302
//rbtree.h /* Red Black Trees (C) 1999 Andrea
Arcangeli This program is free software; you can redistribute it and/or modify
it under the terms of the...
分类:
系统相关 时间:
2014-05-18 01:05:37
阅读次数:
489