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Convert object string to JSON
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edited Jan 27 '12 at 17:07
answered Jan 27 '12 at 16:20
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Assign multiple columns using := in data.table, by group
... hi hello 3.5 7 14 21
# 3: 3 3 hi hello 4.5 9 18 27
# 4: 1 4 hi hello 2.5 5 10 15
# 5: 2 5 hi hello 3.5 7 14 21
# 6: 3 6 hi hello 4.5 9 18 27
x[ , get("mynames") := list(mean(b) * 4, sum(b) * 3), by = a][] # same
# a b col1 co...
Add legend to ggplot2 line plot
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answered Apr 27 '12 at 10:57
csgillespiecsgillespie
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How to use php serialize() and unserialize()
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answered Dec 27 '11 at 6:54
deceze♦deceze
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Find files containing a given text
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answered May 27 '11 at 14:03
bear24rwbear24rw
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How can I map True/False to 1/0 in a Pandas DataFrame?
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edited Apr 27 at 21:17
AMC
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jQuery - add additional parameters on submit (NOT ajax)
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answered Mar 27 '10 at 23:49
MichelMichel
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Inline SVG in CSS
...x and Safari.
– Erik Dahlström
May 27 '12 at 19:46
3
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If string is empty then return some default value
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answered Jan 27 '11 at 19:24
David PhillipsDavid Phillips
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Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It ...