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python pandas dataframe to dictionary
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std::vector performance regression when enabling C++11
...nteresting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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How do I create an average from a Ruby array?
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edited May 10 '15 at 14:40
Joshua Pinter
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Javascript shorthand ternary operator
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179
var startingNumber = startingNumber || 1;
Something like that what you're looking for, where...
What is more efficient? Using pow to square or just multiply it with itself?
...\
std::cout << elapsed << " "; \
\
return x; \
}
TEST(1, b)
TEST(2, b*b)
TEST(3, b*b*b)
TEST(4, b*b*b*b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long...
Cluster analysis in R: determine the optimal number of clusters
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1024
If your question is how can I determine how many clusters are appropriate for a kmeans analys...
Repeat String - Javascript
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String.prototype.repeat = function( num )
{
return new Array( num + 1 ).join( this );
}
alert( "string to repeat\n".repeat( 4 ) );
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What is the simplest SQL Query to find the second largest value?
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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...
