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leetcode - Subsets
Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets. For exa...
分类:其他好文   时间:2014-10-12 18:17:08    阅读次数:242
Android ContentProvider介绍
在Android中数据的存储一共有五种形式,分别是:Shared Preferences、网络存储、文件存储,外储存储、SQLite。但是我们知道一般这些存储都只是在单独的一个应用程序之中达到一个数据的共享。而使用ContentProvider共享数据的好处是统一了数据访问方式。ContentPro...
分类:移动开发   时间:2014-10-12 15:09:38    阅读次数:281
leetcode dfs Subsets II
Subsets II  Total Accepted: 19243 Total Submissions: 71148My Submissions Given a collection of integers that might contain duplicates, S, return all possible subsets. Note: Elements...
分类:其他好文   时间:2014-10-12 11:47:57    阅读次数:190
Android--sharepreference总结
SharedPreferences类,它是一个轻量级的存储类,特别适合用于保存软件配置参数。SharedPreferences保存数据,其背后是用xml文件存放数据,文件存放在/data/data//shared_prefs目录下:一个简单的存储代码如下:SharedPreferences shar...
分类:移动开发   时间:2014-10-12 09:37:37    阅读次数:186
Leetcode: 4Sum
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array whic...
分类:其他好文   时间:2014-10-12 06:27:07    阅读次数:248
leetcode dfs Convert Sorted List to Binary Search Tree
Convert Sorted List to Binary Search Tree  Total Accepted: 21420 Total Submissions: 78476My Submissions Given a singly linked list where elements are sorted in ascending order, convert it ...
分类:其他好文   时间:2014-10-12 00:00:36    阅读次数:250
boost::shared_ptr
1.boost库的shared_ptr智能指针在使用中遇到了一个需要注意的地方 1 typedef boost::shared_ptr APtr 2 class A 3 { 4 public: 5 void FunA() 6 { 7 m_pB->FunB1(APtr(...
分类:其他好文   时间:2014-10-11 20:26:26    阅读次数:198
第18题 Remove Element
Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. S...
分类:其他好文   时间:2014-10-11 18:55:56    阅读次数:185
IOS 8.0 适配应用图片设计
一、Sizes of App UI Elements二、App IconsiOS 8 更新:Icon-Small@3x.png 87*87Icon-40@3x.png 120*120Icon-60@3x.png 180*180Icon.png57*57Icon@2x.png114*114Icon-S...
分类:移动开发   时间:2014-10-11 17:47:55    阅读次数:202
error while loading shared libraries: libpthread.so.0: cannot open shared object file: No such file
安装rac10g,出现如下错误: [root@rac2 oracle]# /u01/product/crs/root.sh WARNING: directory '/u01/product' is not owned by root Checking to see if Oracle CRS stack is already configured /etc/oracle does no...
分类:其他好文   时间:2014-10-11 17:29:05    阅读次数:241
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