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LeetCode: Subsets [078]
class Solution { public: void dfs(vector<vector >&result, vectorcombination, vector&candidates, int kth, int k, int index2add){ // 当前正在确定组合中的第kth个数,将把候选集candidates中index2add索引位的值作为第kth个数加到组合中 combination.push_back(ca...
分类:其他好文   时间:2014-06-07 01:21:47    阅读次数:220
python 装饰器与AOP
无高见 1.缓存 from functools import wraps lineseq = '==' * 20 def memo( func ): cache = {} @wraps( func ) def wrapper( *args ): result = cache.get( args ) if resul...
分类:编程语言   时间:2014-06-05 11:07:06    阅读次数:324
Invalid action class configuration that reference 异常
遇到Invalid action class configuration that reference的时候,你可以在你的Action中设置一下断点,来判断一下他是否找到了这个action。 不过遇到这个异常的时候都是没有进到action。 这时候,有几种可能导致呢? (1)struts.xml的配置写的不对,name,class检查一下。如果是和spring做整合的,要注意struts中的...
分类:其他好文   时间:2014-06-05 10:22:29    阅读次数:165
当在一部新的苹果设备安装程序出现the executable was signed with invalid entitlements.问题的解决办法
1.找到设备的identifier 2.进入https://developer.apple.com 3.点击devices 4.把identifier加入并注册 5.打开xcode,按command+, 6.点击你的证书,进入view details 7.刷新即可...
分类:移动开发   时间:2014-06-05 08:31:16    阅读次数:282
精灵的移动效果,旋转效果
移动: -(void) touchBegan:(UITouch *)touch withEvent:(UIEvent *)event { CGPoint touchLoc = [touch locationInNode:self]; // Log touch location CCLOG(@"Moved sprite to @ %@",NSStringFromCGPo...
分类:移动开发   时间:2014-06-05 08:30:44    阅读次数:352
poj 3278
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...
分类:其他好文   时间:2014-06-05 07:45:38    阅读次数:220
esxi 5.1 因为断电错误无法启动 报错 bank5 invalid configuration
解决 esxi 5.1 因为断电错误无法启动 报错 bank5 invalid configuration...
分类:其他好文   时间:2014-06-04 23:34:26    阅读次数:782
web.xml里<init-param>报错
Description Resource Path Location Type cvc-complex-type.2.4.a: Invalid content was found starting with element 'init-param'. One of '{"http://java.sun.com/xml/ns/javaee":enabled, "http://java.sun....
分类:Web程序   时间:2014-06-03 05:31:38    阅读次数:514
HDU2717-Catch That Cow
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...
分类:其他好文   时间:2014-06-03 05:30:23    阅读次数:394
Displaying Pins on a Map View
ProblemYou want to point out a specific location on a map to the user.SolutionUse built-in map view annotations. Follow these steps:1. Create a new cl...
分类:其他好文   时间:2014-05-31 12:30:19    阅读次数:240
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