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Why does changing 0.1f to 0 slow down performance by 10x?

...rap and resolve them using microcode. If you print out the numbers after 10,000 iterations, you will see that they have converged to different values depending on whether 0 or 0.1 is used. Here's the test code compiled on x64: int main() { double start = omp_get_wtime(); const float x[1...
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Why does the expression 0 < 0 == 0 return False in Python?

... make range comparisons easy to express. It's much nicer to be able to say 0 &lt; x &lt;= 5 than to say (0 &lt; x) and (x &lt;= 5). These are called chained comparisons. And that's a link to the documentation for them. With the other cases you talk about, the parenthesis force one relational opera...
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Difference between break and continue statement

... answered Jan 20 '09 at 18:02 Xn0vv3rXn0vv3r 16.4k1313 gold badges5353 silver badges6363 bronze badges ...
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The name 'model' does not exist in current context in MVC3

...toryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;pages pageBaseType="System.Web.Mvc.WebViewPage"&gt; &lt;namespaces&gt; &lt;add namespace="System.Web.Mvc" /&gt; &lt;add namespace="S...
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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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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 ...