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HDOJ 1005 Number Sequence
Problem DescriptionA number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are t...
分类:其他好文   时间:2014-05-16 00:34:50    阅读次数:354
[leetcode]_Palindrome Number
判断integer是否为回文串(负数全部不为回文串)思路很直接,提取出integer中的每一位,一头一尾进行比较是否相同。一次AC , 直接上代码:public boolean isPalindrome(int x) { if(x = 0 && x 0){ ...
分类:其他好文   时间:2014-05-16 00:24:44    阅读次数:386
待整理细化的点
Row_number配合over(partition by xx order by xx) 与 Group by 的区别, = order + group?SqlBulkCopyGuidance Automation Toolkit 2010 Reference
分类:其他好文   时间:2014-05-15 20:39:55    阅读次数:249
CF 27E Number With The Given Amount Of Divisors
A - Number With The Given Amount Of Divisors Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Description Given the number n, find the smallest...
分类:其他好文   时间:2014-05-15 13:31:36    阅读次数:343
Codeforces Round #209 (Div. 2)——Prime Number
给一个素数x,和a1、a2……an,计算这个式子 的时候,化成了 这个形式, 且t等于 xa1?+?a2?+?...?+?an,求s和t的最大公约数 (1?≤?n?≤?105, 2?≤?x?≤?109) ,结果对1000000007 取模...
分类:其他好文   时间:2014-05-15 13:04:46    阅读次数:291
android模拟器使用
1. 呼叫虚拟设备/向虚拟设备发送短信 1. 在eclipse中点击: Window--->Open Perspective--->DDMS,选择Emulator Control选项; 2. 在Telephony Actions选项的Incoming number输入要模拟的呼入号码,选择Voi.....
分类:移动开发   时间:2014-05-15 10:58:45    阅读次数:327
Javascript的基本数据类型和判断
ECMAScript中有6种简单数据类型:Undefined,Null,Boolea,Number,String和Object,这些都是一些基本知识,有意思在后面 用javascript里的typeof检测一下这6个数据类型你会有新发现 “undefined” ---------- 如果值未定义 ....
分类:编程语言   时间:2014-05-15 10:54:52    阅读次数:365
【LeetCode】Two Sum
Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the...
分类:其他好文   时间:2014-05-15 10:48:59    阅读次数:322
Don’t Assume – Per Session Buffers
MySQL has a number of global buffers, i.e. your SGA. There are also a number of per session/thread buffers that combined with other memory usage const...
分类:其他好文   时间:2014-05-15 07:34:17    阅读次数:307
【LeetCode】- Two Sum(两数相加)
[ 问题: ] Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the ta...
分类:其他好文   时间:2014-05-15 00:04:39    阅读次数:377
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