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Option可选值(一)
//: Playground - noun: a place where people can play import Cocoa class Person {     var residence: Residence?//供选连接 } class Residence {     var rooms = [Room]()     var number...
分类:其他好文   时间:2015-07-01 18:31:26    阅读次数:112
9 Palindrome Number
9 Palindrome Number链接:https://leetcode.com/problems/palindrome-number/ 问题描述: Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints: Could negat...
分类:其他好文   时间:2015-07-01 18:26:10    阅读次数:111
Obtain Diesel engine Designer watches can be bought in the many most up-to-date styles and designs
Your Diesel engine Designer watches and buying Diesel engine Designer watches can be purchased on-line using a number of internet sites as well as fir...
分类:其他好文   时间:2015-07-01 17:43:26    阅读次数:143
mybatis随机生成可控制主键的方式
mybatis生成的主键,一般都是用数据库的序列,可是还有不同的写法,比如:一、NUMBER类型的主键 insert into PERIODICAL_TYPE (ID, YEAR, PERIODICAL_NO, OPER_USER, OPER_DATE) values (#{id},...
分类:其他好文   时间:2015-07-01 15:56:33    阅读次数:204
Leetcode 202 Happy Number
Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer...
分类:移动开发   时间:2015-07-01 15:52:11    阅读次数:136
HDU 1394 Minimum Inversion Number【 树状数组 】
题意:给出n个数,每次可以把第一个数挪到最后一个位置去,问这n种排列里面的最小逆序对数先把最开始的逆序对数求出来然后对于一个数a[i],比它小的数有a[i] - 1个,比它大的数有n - a[i]个所以把a[i]挪到数列的最末尾的时候, 相当于损失了a[i] - 1个逆序数,得到了n - a[i] ...
分类:编程语言   时间:2015-07-01 15:43:38    阅读次数:123
66 Plus One
66 Plus One链接:https://leetcode.com/problems/plus-one/ 问题描述: Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant...
分类:其他好文   时间:2015-07-01 14:17:54    阅读次数:135
Number of 1 Bits
https://leetcode.com/problems/number-of-1-bits/Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known a...
分类:其他好文   时间:2015-07-01 14:08:15    阅读次数:99
JavaScript学习笔记(一) 变量
基本类型和引用类型的值基本类型值指的是简单的数据段,而引用类型值指那些可能由多个值构成的对象。基本类型值(Undefined、Null、Boolean、Number 和String)类似于其他语言比如(C#、Java)中的基础数据类型,比如int、string、bool等;Javascript中,变...
分类:编程语言   时间:2015-07-01 13:47:11    阅读次数:113
异或巧用:Single Number
异或巧用:Single Number 今天刷leetcode,碰到了到题Single Number,觉得解答很巧妙,故记之。。。 题目: Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have...
分类:其他好文   时间:2015-07-01 12:14:53    阅读次数:116
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