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 nu...
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其他好文 时间：
2014-05-26 19:50:39
阅读次数：
314
原文：Object-to-Primitive Conversions in
JavaScript对象转化为基础数据类型，其实最终都是用调用对象自带的valueOf和toString两个方法之一并获得其返回值，作为其基础数据类型。基础数据类型包括这么几种：null,
undefined, number...
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编程语言 时间：
2014-05-26 17:06:33
阅读次数：
335
1，如果数据的运行时类型（和数据库字段类型相同）不是字符串类型，比如number/date等，将ds.Tables[0].Rows[i][j] 调用 as
string 时，不管这个字段是否有值，这样都会得到null。 as string 只会将 运行时类型为string的对象转为字符串，如果运行时...
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数据库 时间：
2014-05-25 22:26:20
阅读次数：
370
原文：
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without ...
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其他好文 时间：
2014-05-25 21:30:02
阅读次数：
276
Problem Description
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use...
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其他好文 时间：
2014-05-25 16:39:53
阅读次数：
266
Problem Description
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use...
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其他好文 时间：
2014-05-25 16:32:49
阅读次数：
214
1、DETERMINISTIC函数-- Create deterministic PV
function.CREATE OR REPLACE FUNCTION pv( future_value NUMBER, periods NUMBER,
interest NUMBER )RETURN NUMBE...
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数据库 时间：
2014-05-25 15:30:11
阅读次数：
625
A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this problem you will be given two integers i j, you have to find...
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其他好文 时间：
2014-05-25 07:41:08
阅读次数：
253
题目来源：Light OJ 1234 Harmonic Number
题意：
思路：没思路啊 这个是高数的东西 发散 n足够大时它无穷大 直接公式解
#include
#include
#include
#include
#include
#include
using namespace std;
const int maxn = 1000010;
const doub...
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其他好文 时间：
2014-05-25 06:18:44
阅读次数：
213
【题目】
The set [1,2,3,…,n] contains a total of n! unique permutations.
By listing and labeling all of the permutations in order,
We get the following sequence (ie, for n = 3):
"123"
"132"
"213"
"231"
"312"
"321"
Given n and k, return the kth permutation ...
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其他好文 时间：
2014-05-25 06:13:37
阅读次数：
276
