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How do I request a file but not save it with Wget? [closed]
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edited Jan 27 '18 at 13:19
answered Mar 13 '12 at 20:19
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Find the day of a week
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df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Date(df$date))
df
## date day
## 1 2012-02-01 Wednesday
## 2 2012-02-01 Wednesday
## 3 2012-02-02 Thursday
Edit: Just to show another way...
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How to get the second column from command output?
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Or use sed & regex.
<some_command> | sed 's/^.* \(".*"$\)/\1/'
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How to add a filter class in Spring Boot?
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162
If you want to setup a third-party filter you can use FilterRegistrationBean.
For example the ...
jQuery: Select data attributes that aren't empty?
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Bash empty array expansion with `set -u`
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Inserting a PDF file in LaTeX
...myfile.pdf}
To include just the first page of a PDF:
\includepdf[pages={1}]{myfile.pdf}
Run texdoc pdfpages in a shell to see the complete manual for pdfpages.
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How can I open Windows Explorer to a certain directory from within a WPF app?
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314
Why not Process.Start(@"c:\test");?
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