拥有者(user),拥有组(group),其他人(other) 由于Linux是一个多人多任务的系统,因此经常会出现同一台机器同时有多个人进行操作,为了考虑每个人的隐私权以及每个人喜好的工作环境,所以文件的权限归属就至关重要。 为了保障系统的安全性和文件的隐私性,一个文件针对不同权限的账户有着不同的...
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系统相关 时间:
2015-07-13 18:12:38
阅读次数:
166
此类错误
"_OBJC_CLASS_$_AFURLSessionManager", referenced from:
解决办法
在other
linker flags里添加一行 $(inherited)....
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其他好文 时间:
2015-07-13 16:06:38
阅读次数:
681
N-Queens
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.
Given an integer n, return all distinct solutions to the n-quee...
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其他好文 时间:
2015-07-13 14:02:20
阅读次数:
114
Description
Some of Farmer John's N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wants to count the number of other cows that can ...
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其他好文 时间:
2015-07-13 14:01:45
阅读次数:
135
1.新建一个android项目
File——New——Other——android application project
填写application name(就是应用的名字,比如:天天酷跑)
填写project name(就是程序项目名,比如:TTKP,打包后名字也是TTKP.APP)
填写package name(程序包名,比如cn.tengxun.ttkp)
然后选择最小运行的a...
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移动开发 时间:
2015-07-13 12:23:40
阅读次数:
215
class String
{
public:
String(const char*str = NULL);// 普通构造函数
String(const String &other); // 拷贝构造函数
~ String(void); // 析构函数
String & operate =(const String &other);//...
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其他好文 时间:
2015-07-12 21:44:46
阅读次数:
84
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
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其他好文 时间:
2015-07-12 16:58:46
阅读次数:
142
报错:the following sdk component was not installed:build-boots21.1.1 将C:\Users\wxc\.AndroidStudio\config\options下的other.xml文件里的 <option?name="USE_HTTP_PROXY"?value="true"?/>
????<op...
Description Ivan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When I....
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其他好文 时间:
2015-07-11 22:50:57
阅读次数:
158
This problem has a naive idea, which is to traverse all possible pairs of two points and see how many other points fall in the line determined by them...
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其他好文 时间:
2015-07-11 22:44:06
阅读次数:
133