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ERROR: Error installing capybara-webkit:
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218
If you are in Ubuntu do
sudo apt-get install qt4-dev-tools libqt4-dev libqt4-core libqt4-gui
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UICollectionView Set number of columns
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17 Answers
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Select first 4 rows of a data.frame in R
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156
Use head:
dnow <- data.frame(x=rnorm(100), y=runif(100))
head(dnow,4) ## default is 6
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How to delete and replace last line in the terminal using bash?
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117
echo a carriage return with \r
seq 1 1000000 | while read i; do echo -en "\r$i"; done
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setup cron tab to specific time of during weekdays
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177
Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 sta...
Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible....
Unable to read data from the transport connection : An existing connection was forcibly closed by th
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21 Answers
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Uses of content-disposition in an HTTP response header
...security concerns.
The authority on the content-disposition header is RFC 1806 and RFC 2183. People have also devised content-disposition hacking. It is important to note that the content-disposition header is not part of the HTTP 1.1 standard.
The HTTP 1.1 Standard (RFC 2616) also mentions the po...
YAML mime type?
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edited May 22 '18 at 14:46
Martin Tournoij
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