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What's the simplest way to subtract a month from a date in Python?
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20 Answers
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Active
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How can you hide database output in Rails console?
...logging in console)
To turn it back on
ActiveRecord::Base.logger.level = 0
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Use JAXB to create Object from XML String
...form.Source ?
– bvdb
Jul 13 '16 at 10:29
2
In my case work as: JAXBElement<MyObject> elemen...
Regex exactly n OR m times
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answered Dec 14 '12 at 8:10
Mark ByersMark Byers
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Can a pointer to base point to an array of derived objects?
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150
You cannot index like that. You have allocated an array of Rectangles and stored a pointer to th...
Border around tr element doesn't show?
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260
Add this to the stylesheet:
table {
border-collapse: collapse;
}
JSFiddle.
The reason why ...
POST data in JSON format
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170
Not sure if you want jQuery.
var form;
form.onsubmit = function (e) {
// stop the regular fo...
Read and overwrite a file in Python
...ilename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The functionality will likely also be cleaner and safer using open as a context manager, which will close the file handler, even if an error occurs!
with open(filename, 'r+') as f:
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Float right and position absolute doesn't work together
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Use
position:absolute;
right: 0;
No need for float:right with absolute positioning
Also, make sure the parent element is set to position:relative;
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Increase number of axis ticks
...continuous. For example:
library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
ggplot(dat, aes(x,y)) +
geom_point()
Gives you this:
And overriding the scales can give you something like this:
ggplot(dat, aes(x,y)) +
geom_point() +
scale_x_continuous(breaks = round(seq(m...