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Factorial Trailing Zeroes
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/42417535 Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic...
分类:其他好文   时间:2015-01-06 10:06:32    阅读次数:122
记一次SQLServer的分页优化兼谈谈使用Row_Number()分页存在的问题
原文:记一次SQLServer的分页优化兼谈谈使用Row_Number()分页存在的问题最近有项目反应,在服务器CPU使用较高的时候,我们的事件查询页面非常的慢,查询几条记录竟然要4分钟甚至更长,而且在翻第二页的时候也是要这么多的时间,这肯定是不能接受的,也是让现场用SQLServerProfile...
分类:数据库   时间:2015-01-06 09:45:32    阅读次数:197
无意中在sql日志中发现如下内容,
日期,源,严重性,消息01/06/2015 09:06:13,登录,未知,Length specified in network packet payload did not match number of bytes read; the connection has been closed. Pl...
分类:数据库   时间:2015-01-06 09:45:28    阅读次数:540
C++11新特性之五——可变参数模板
有些时候,我们定义一个函数,可能这个函数需要支持可变长参数,也就是说调用者可以传入任意个数的参数。比如C函数printf().我们可以这么调用。printf("name: %s, number: %d", "Obama", 1); 那么这个函数是怎么实现的呢?其实C语言支持可变长参数的。我们举个例....
分类:编程语言   时间:2015-01-06 02:01:56    阅读次数:272
Two Sum
1 Given an array of integers, find two numbers such that they add up to a specific target number. 2 3 The function twoSum should return indices of t.....
分类:其他好文   时间:2015-01-06 00:42:58    阅读次数:192
big_table练习数据表
big_table练习数据表create table big_tableasselect rownum id, a.* from all_objects a where 1=0/alter table big_table nologging;declare l_cnt number; ...
分类:其他好文   时间:2015-01-06 00:36:25    阅读次数:257
LeetCode Combination Sum II
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each number ...
分类:其他好文   时间:2015-01-05 23:22:28    阅读次数:138
C++ inheritance examples ZZ
1 c++继承经典例子 2 #include 3 class Base 4 { 5 private: 6 int b_number; 7 public: 8 Base( ){} 9 Base(int i) : b_number (...
分类:编程语言   时间:2015-01-05 23:07:04    阅读次数:291
[leetcode]Distinct Subsequences
问题描述: Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some...
分类:其他好文   时间:2015-01-05 21:58:33    阅读次数:185
【leetcode】Maximum Subarray
Maximum SubarrayFind the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?...
分类:其他好文   时间:2015-01-05 21:49:59    阅读次数:240
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