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IOS开发,摄像头对焦状态监控
camera autofocus observer?I find the solution for my case to find when autofocus starts / ends. It's simply dealing with KVO (Key-Value Observing).In ...
分类:移动开发   时间:2015-06-15 15:53:37    阅读次数:445
LeetCode Contains Duplicate III
Given an array of integers, find out whether there are two distinct indices i and j in the array such that the difference between nums[i] and nums[j] is at most t and the difference between i and j is...
分类:其他好文   时间:2015-06-15 14:37:25    阅读次数:81
[LeetCode] #32 Longest Valid Parentheses
Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest...
分类:其他好文   时间:2015-06-15 13:04:56    阅读次数:82
[leetcode 15] 3Sum
1 题目:Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:E...
分类:其他好文   时间:2015-06-15 12:52:44    阅读次数:113
MongoDb
db.ShoppingCart.find({ "CartKey.CustomerId" : { "$gt" : 0 }, "LastUpdate" : { "$gte" : ISODate("2015-06-01T00:00:00Z"), "$lte" : ISODate("2015-06-08T0...
分类:数据库   时间:2015-06-15 10:56:39    阅读次数:224
Find ith largest array in an array
Find the ith largest item in an array
分类:其他好文   时间:2015-06-15 10:54:59    阅读次数:110
[模版]模版留着以后用(不定期更新)
1 /*并查集*/ 2 #define MAXN 10000 3 int pre[MAXN]; 4 int find(int x) { 5 return x == pre[x] ? x : pre[x] = find(pre[x]); 6 } 7 void merge(int x, int...
分类:其他好文   时间:2015-06-15 10:52:09    阅读次数:97
IntelliJ IDEA使用
调整背景, ideaVim跳转至声明、实现、退回来?+B 、?+Alt+B 、 ? + alt + <-control + J 函数原型提示Alt + F7: Find Usages?+O: Open class? + E:Recent Files? + W: Close Tab?+Shift +T...
分类:其他好文   时间:2015-06-15 10:47:44    阅读次数:92
MySQL 主从错误
1:Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'
分类:数据库   时间:2015-06-15 10:46:09    阅读次数:169
Container With Most Water
Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Find two ...
分类:其他好文   时间:2015-06-15 09:36:47    阅读次数:78
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