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Draw a perfect circle from user's touch
... System.out.println("circle");
}else{
cD = -1;
System.out.println("unknown");
}
repaint();
}
}
@Override
public void mouseDragged(MouseEvent e) {
Point newPoint = e.getPoint();
if (editing &am...
Generate random numbers with a given (numerical) distribution
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13 Answers
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C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...堆排序(HeapSort)，插入排序(InsertSort)，希尔排序(ShellSort) 1、选择排序(SelectSort)
/************************************
* 简单选择排序
* 稳定排序，O{n^2} ~ O{n^2}
* 从首位开始，循环一次找出一个比首位小的值，交换
*
* https://www.tsi...
Open Redis port for remote connections
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219
Did you set the bind option to allow remote access on the redis server?
Before (file /etc/redi...
What is the ultimate postal code and zip regex?
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132
There is none.
Postal/zip codes around the world don't follow a common pattern. In some count...
how to ignore namespaces with XPath
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168
You can use the local-name() XPath function. Instead of selecting a node like
/path/to/x:some...
How to test which port MySQL is running on and whether it can be connected to?
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13 Answers
13
Active
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How to downgrade or install an older version of Cocoapods
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edited Jul 28 '17 at 20:20
answered Dec 10 '13 at 8:30
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pandas dataframe columns scaling with sklearn
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221
I am not sure if previous versions of pandas prevented this but now the following snippet works ...