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What is the best way to determine the number of days in a month with JavaScript?
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201
function daysInMonth (month, year) { // Use 1 for January, 2 for February, etc.
return ...
How to filter rows in pandas by regex
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200
Use contains instead:
In [10]: df.b.str.contains('^f')
Out[10]:
0 False
1 True
2 ...
SQL how to increase or decrease one for a int column in one command
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252
To answer the first:
UPDATE Orders SET Quantity = Quantity + 1 WHERE ...
To answer the seco...
How can I log the stdout of a process started by start-stop-daemon?
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127
To expand on ypocat's answer, since it won't let me comment:
start-stop-daemon --start --quiet...
iPhone 5 CSS media query
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285
Another useful media feature is device-aspect-ratio.
Note that the iPhone 5 does not have a 1...
Copy a file in a sane, safe and efficient way
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265
Copy a file in a sane way:
#include <fstream>
int main()
{
std::ifstream src("fro...
Can CSS detect the number of children an element has?
...ild { */
width: 100%;
}
/* two items */
li:first-child:nth-last-child(2),
li:first-child:nth-last-child(2) ~ li {
width: 50%;
}
/* three items */
li:first-child:nth-last-child(3),
li:first-child:nth-last-child(3) ~ li {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child...
How to Create Grid/Tile View?
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edited Feb 17 '16 at 20:13
altocumulus
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an...
Print second last column/field in awk
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286
awk '{print $(NF-1)}'
Should work
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Rotating x axis labels in R for barplot
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labs <- paste(names(table(mtcars$cyl)), "cylinders")
text(cex=1, x=x-.25, y=-1.25, labs, xpd=TRUE, srt=45)
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