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Cannot ping AWS EC2 instance

... answered May 30 '15 at 9:39 RakibRakib 8,9821010 gold badges5555 silver badges9090 bronze badges ...
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Multiple linear regression in Python

... 102 sklearn.linear_model.LinearRegression will do it: from sklearn import linear_model clf = linea...
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使用CSplitterWnd实现拆分窗口(多视图显示) - C/C++ - 清泛网 - 专注C/C++及内核技术

...   返回值:如果创建成功,返回非零值(TRUE),否则返回0(FALSE)。   m_wndSplitter.CreateStatic(this, 2,1); // 切分为2行1列      ​virtual BOOL CreateView( int row, int col, CRuntimeClass* pViewClass, SIZE sizeInit, CCreateContext* pContext ); 函数有5个...
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How does the Brainfuck Hello World actually work?

... +100 1. Basics To understand Brainfuck you must imagine infinite array of cells initialized by 0 each. ...[0][0][0][0][0]... When brai...
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Numbering rows within groups in a data frame

...| edited Mar 14 '17 at 22:06 Frank 62.4k88 gold badges8181 silver badges157157 bronze badges answered Oc...
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Undefined method 'task' using Rake 0.9.0

I just updated Rake to the latest version ( 0.9.0.beta.4 ) and the rake command ends up with the following error message: ...
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Connect to a locally built Jekyll Server using mobile devices in the LAN

..., a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC. 2 Answers ...
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Is MATLAB OOP slow or am I doing something wrong?

...are some typical results. >> call_nops Computer: PCWIN Release: 2009b Calling each function/method 100000 times nop() function: 0.02261 sec 0.23 usec per call nop1-5() functions: 0.02182 sec 0.22 usec per call nop() subfunction: 0.02244 sec 0....
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Map Tiling Algorithm

... +50 The basic idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile accordin...
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How to convert floats to human-readable fractions?

Let's say we have 0.33 , we need to output 1/3 . If we have 0.4 , we need to output 2/5 . 26 Answers ...