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Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...
How to keep one variable constant with other one changing with row in excel
...
Use this form:
=(B0+4)/$A$0
The $ tells excel not to adjust that address while pasting the formula into new cells.
Since you are dragging across rows, you really only need to freeze the row part:
=(B0+4)/A$0
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Drawing a connecting line between two elements [closed]
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edited Nov 5 '18 at 20:59
balupton
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A migration to add unique constraint to a combination of columns
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answered Jul 30 '10 at 9:45
Robert SpeicherRobert Speicher
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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309
Adding the following two line sat the top of my .py script worked for me (first line was necess...
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OneOfOneOneOfOne
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1
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How to highlight text using javascript
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102
You can use the jquery highlight effect.
But if you are interested in raw javascript code, tak...
Why does casting int to invalid enum value NOT throw exception?
...e.IsDefined(),
() => new ArgumentException(string.Format("{0} is not a defined value for enum type {1}",
enumValue, typeof(T).FullName)));
return parsedValue;
}
public static bool IsDefined(T enumValue)
{
return System.Enum.IsDefined(type...
How to tell which version of a gem a rails app is using
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edited Dec 4 '13 at 16:09
aldo.roman.nurena
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answered Oct 26...
What does '
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edited Jun 23 '15 at 10:17
answered Jan 7 '10 at 13:09
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