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Django datetime issues (default=datetime.now())
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it looks like datetime.now() is being evaluated when the model is defined, and not each time yo...
What's the difference between jquery.js and jquery.min.js?
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Combine two or more columns in a dataframe into a new column with a new name
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132
Use paste.
df$x <- paste(df$n,df$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb...
RSpec vs Cucumber (RSpec stories) [closed]
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114
If you haven't already, you might want to check out Dan North's excellent article, What's in a...
How can I center an absolutely positioned element in a div?
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When is del useful in python?
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edited Jan 5 '18 at 5:49
ndmeiri
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a...
Shell script to send email [duplicate]
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146
Yes it works fine and is commonly used:
$ echo "hello world" | mail -s "a subject" someone@so...
Remove grid, background color, and top and right borders from ggplot2
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134
EDIT Ignore this answer. There are now better answers. See the comments. Use + theme_classic(...
Remove last character of a StringBuilder?
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17 Answers
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