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For files in directory, only echo filename (no path)
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Socowi
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answered Jan 25 '12 at 22:20
SiegeXSiegeX
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CSS Selector that applies to elements with two classes
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answered Sep 22 '10 at 18:07
BoltClock♦BoltClock
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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...
hexadecimal string to byte array in python
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answered Apr 15 '11 at 22:32
tzottzot
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SQL query for finding records where count > 1
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edited Aug 22 '11 at 18:52
answered Aug 22 '11 at 17:51
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Detect if a jQuery UI dialog box is open
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Salman A
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answered Jul 22 '10 at 21:51
Byron Whitl...
Delete directories recursively in Java
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answered Apr 22 '09 at 22:37
Steve KSteve K
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MySQL search and replace some text in a field
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answered Sep 24 '08 at 3:22
thesmallprintthesmallprint
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What is the MySQL VARCHAR max size?
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answered Nov 22 '12 at 6:22
rajukoyilandyrajukoyilandy
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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....