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27. Remove Element
Given an array and a value, remove all instances of that value in place and return the new length. Do not allocate extra space for another array, you ...
分类:其他好文   时间:2017-07-18 16:54:44    阅读次数:151
Raspberry Pi For Windows
Raspberry Pi For Windows Step 1: In order to write the image for SD,we should download and install Image Writer for Windows Step 2: Download and insta ...
分类:Windows程序   时间:2017-07-18 11:46:30    阅读次数:227
Sona
Sona Sona , Maven of the Strings . Of cause, she can play the zither. Sona can't speak but she can make fancy music. Her music can attack, heal, encou ...
分类:其他好文   时间:2017-07-18 10:20:05    阅读次数:275
POJ 3264 Balanced Lineup
Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 33094 Accepted: 15552 Case Time Limit: 2000MS Description For the daily mil ...
分类:其他好文   时间:2017-07-18 10:12:49    阅读次数:174
[LintCode] Two Sum - Data Structure Design
Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find ...
分类:其他好文   时间:2017-07-18 09:57:42    阅读次数:219
mybatis中#{}和${}的区别
1. #将传入的数据都当成一个字符串,会对自动传入的数据加一个双引号。如:order by #user_id#,如果传入的值是111,那么解析成sql时的值为order by "111", 如果传入的值是id,则解析成的sql为order by "id". 2. $将传入的数据直接显示生成在sql中 ...
分类:其他好文   时间:2017-07-17 20:16:44    阅读次数:156
54. Spiral Matrix
难度:87,这道题跟 Rotate Image 很相似,都是需要把矩阵分割成层来处理,每一层都是按:1. 正上方;2. 正右方;3. 正下方;4. 正左方这种顺序添加元素到结果集合。实现中要注意两个细节,一个是因为题目中没有说明矩阵是不是方阵,因此要先判断一下行数和列数来确定螺旋的层数,mina(行 ...
分类:其他好文   时间:2017-07-17 20:16:01    阅读次数:120
[LeetCode] Contains Duplicate
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr ...
分类:其他好文   时间:2017-07-17 13:12:07    阅读次数:154
Leetcode题解(4):L216/Combination Sum III
L216: Combination Sum III Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and e ...
分类:其他好文   时间:2017-07-16 20:19:05    阅读次数:153
Spring 之 @ComponentScan 探究以及 mock Spring MVC
【 @ComponentScan 探究】 原文(错):发现一件奇怪的事情,我明明没有指定扫描那个包,却能实实在在地 Autowired 那个包中的类的对象而不出现异常。 按理来说,要自动装配某一个类的对象,首先,需要在那个类上标注 @Component 或者是 @Controller ;其次,需要扫 ...
分类:编程语言   时间:2017-07-16 18:20:53    阅读次数:2913
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