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Storing C++ template function definitions in a .CPP file
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edited Oct 22 '16 at 1:12
Qix - MONICA WAS MISTREATED
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Reshaping data.frame from wide to long format
...tan 1951 21,352
4: ALB Albania 1951 8,986
5: AFG Afghanistan 1952 22,532
6: ALB Albania 1952 10,058
7: AFG Afghanistan 1953 23,557
8: ALB Albania 1953 11,123
9: AFG Afghanistan 1954 24,555
10: ALB Albania 1954 12,246
Some alternative notations:
melt(setDT(wide), id....
Return rows in random order [duplicate]
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Dave BarkerDave Barker
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How can we programmatically detect which iOS version is device running on? [duplicate]
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– Marek Sebera
Feb 11 '12 at 11:22
1
@SpencerWilliams because it doesn't handle well minor ve...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
... bye escape.
– Ray
Apr 20 '11 at 23:22
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@Francois escape() encodes the lower 128 ASCII chars ex...
What is the difference between NULL, '\0' and 0?
...0.html
– Sinan Ünür
Aug 18 '09 at 22:35
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No, you won't compare ptr to all-bits-zero. This is n...
How to select multiple files with ?
...e input field.
– Costa
Jul 5 '13 at 22:36
2
@Costa On the 20th of October of 2009 most browsers d...
How do I get the day of week given a date?
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Tomerikoo
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answered Mar 23 '12 at 22:26
Simeon VisserSimeo...
Is bool a native C type?
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answered Oct 22 '09 at 16:16
AnTAnT
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Fastest way to replace NAs in a large data.table
... 1.52 14.81 1.52 14.81
"gc" 0.22 2.14 0.22 2.14
"unique" 0.14 1.36 0.16 1.56
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There, I would focus on na.replace and is.na, where there are a few vector copies and vector scans. Those can fairly ea...