1.首先我们的目的是长期监听时间变化,其实应用程序退出。
通过了解我们知道注册ACTION_TIME_TICK广播接收器可以监听系统事件改变,但是
查看SDK发现ACTION_TIME_TICK广播事件只能动态注册:
Broadcast Action: The current time has changed. Sent every minute. You can not receive t...
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移动开发 时间:
2014-06-05 08:35:13
阅读次数:
285
【题目】
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:
Integers in each row are sorted from left to right.
The first integer of each row is greater than the last integer of the previous ...
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其他好文 时间:
2014-06-05 08:28:43
阅读次数:
321
Catch That Cow
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 43851
Accepted: 13674
Description
Farmer John has been informed of the location of a fugitiv...
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其他好文 时间:
2014-06-05 07:45:38
阅读次数:
220
链接:http://poj.org/problem?id=3259
Description
While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path t...
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其他好文 时间:
2014-06-05 05:26:33
阅读次数:
240
【题目】
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
You should pack your words in a greedy approach; that is, pack as many words as you can in each line. Pad ...
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其他好文 时间:
2014-06-04 22:37:46
阅读次数:
389
Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,0...
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其他好文 时间:
2014-06-03 05:30:23
阅读次数:
394
相信不少同学和我一样遇到这个问题,有时候搞的还要重启电脑,那究竟是什么原因导致的呢,很明显,你的端口被占用了,那下面给出终极解决方案一、首先描述症状,如下图二、出现问题了,首先确定你的sdk目录是不是真的在Console输出的那个位置,如果是的话。接下来现在就要看看到底是谁占用了端口。打开命令编辑器...
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移动开发 时间:
2014-05-31 15:40:38
阅读次数:
366
有时候我们在APK安装时由于工程制定了UID,换过签名后可能出现类似
INSTALL_FAILED_SHARED_USER_INCOMPATIBLE 或 INSTALL_FAILED_UPDATE_INCOMPATIBLE
的错误,对于后者我们可以通过Logcat看到具体的比如说 has no si...
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其他好文 时间:
2014-05-31 15:33:30
阅读次数:
245
问题描述:System.Xml类库下实例化的对象所有枚举类的值都显示如标题错误解决方案1:查看所在类是否:MonoBehaviour,如果没继承,添加即可。
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其他好文 时间:
2014-05-31 07:53:41
阅读次数:
387
在用mdk通过stlink烧写官方例程到stm32f429I
discovery时,烧写了十来个程序都没问题,突然在烧写一个程序时,弹出了“flash download failed - Target dll has
been cancelled”,然后后续的烧写都失败了。原因可能是其中一个程序将s...
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其他好文 时间:
2014-05-31 06:58:56
阅读次数:
2006