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String比较
Strings1="ja"; Strings2="va"; System.out.println(s1+s2=="java");//1处:false System.out.println("ja"+"va"=="java");//2处:true为什么1处结果是false而2处结果却为true呢,请教!
分类:其他好文   时间:2014-06-10 23:48:30    阅读次数:243
[Swift系列]002-基础语法
基础语法就那老几样,很快可以说完【常量、变量】1.变量用 var,系统自动去判断类型,但变量再次赋值需保持数据类型一致 var a=50 相信用过js/java/C#的,对这个var都不陌生 使用 var 变量名:数据类型 = 变量值 这种格式可以指定具体的数据类型,比如要指定float时 va.....
分类:其他好文   时间:2014-06-10 22:12:46    阅读次数:403
【leetcode】Merge Sorted Array
Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal...
分类:其他好文   时间:2014-06-10 20:44:02    阅读次数:298
[leetcode]Roman to Integer @ Python
原题地址:https://oj.leetcode.com/problems/roman-to-integer/题意:Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range f...
分类:编程语言   时间:2014-06-10 19:34:10    阅读次数:255
[leetcode]Integer to Roman @ Python
原题地址:https://oj.leetcode.com/problems/integer-to-roman/题意:Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range f...
分类:编程语言   时间:2014-06-10 17:06:11    阅读次数:261
Leetcode: Integer to Roman
一次过 1 public class Solution { 2 public String intToRoman(int num) { 3 StringBuffer res = new StringBuffer(); 4 if (num > 3999 || n...
分类:其他好文   时间:2014-06-10 16:12:12    阅读次数:215
[leetcode]Palindrome Number @ Python
原题地址:https://oj.leetcode.com/problems/palindrome-number/题意:Determine whether an integer is a palindrome. Do this without extra space.click to show spo...
分类:编程语言   时间:2014-06-10 16:06:52    阅读次数:286
【leetcode】First Missing Positive
Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2. Your algorithm should run in O(n) time and uses constant...
分类:其他好文   时间:2014-06-10 07:42:16    阅读次数:244
Uva 11489 - Integer Game
Two players, S and T, are playing a game where they make alternate moves. S plays first.  In this game, they start with an integer N. In each move, a player removes one digit from the integer and p...
分类:其他好文   时间:2014-06-10 06:31:29    阅读次数:302
oracle 创建tablespace详细说明
CREATE [UNDO]  TABLESPACE tablespace_name           [DATAFILE datefile_spec1 [,datefile_spec2] ......    [{MININUM EXTENT integer [k|m]    |BLOCKSIZE integer [k]    |logging clause | FORCE LOGGING...
分类:数据库   时间:2014-06-10 06:13:58    阅读次数:282
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