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Replacement for “rename” in dplyr
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148
dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <-...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
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edited Jul 6 '18 at 2:08
spinkus
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answ...
How to simulate a click by using x,y coordinates in JavaScript?
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149
You can dispatch a click event, though this is not the same as a real click. For instance, it ...
How to generate gcc debug symbol outside the build target?
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187
You need to use objcopy to separate the debug information:
objcopy --only-keep-debug "${tostr...
How to redirect Valgrind's output to a file?
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419
valgrind --log-file="filename"
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Express res.sendfile throwing forbidden error
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edited Sep 23 '15 at 14:12
nwinkler
43.5k1818 gold badges132132 silver badges149149 bronze badges
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$on and $broadcast in angular
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edited Jul 23 '15 at 14:11
answered Oct 18 '13 at 10:07
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MySQL, update multiple tables with one query
...ase, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock = Boo...
Bash, no-arguments warning, and case decisions
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178
if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you ...
How to get a vertical geom_vline to an x-axis of class date?
...I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat ...