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Is there a performance difference between a for loop and a for-each loop?
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16 Answers
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Histogram using gnuplot?
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binwidth=5
bin(x,width)=width*floor(x/width)
plot 'datafile' using (bin($1,binwidth)):(1.0) smooth freq with boxes
check out help smooth freq to see why the above makes a histogram
to deal with ranges just set the xrange variable.
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Confusion between factor levels and factor labels
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Very short : levels are the input, labels are the output in the factor() function. A factor ha...
Rounding a double to turn it into an int (java)
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What is the return type of the round() method in the snippet?
If this is the Math.round() metho...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
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Merge Images Side by Side(Horizontally)
I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively.
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Finding duplicate values in MySQL
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1564
Do a SELECT with a GROUP BY clause. Let's say name is the column you want to find duplicates ...
SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
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What is android:weightSum in android, and how does it work?
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Per documentation, android:weightSum defines the maximum weight sum, and is calculated as the ...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
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