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Can an Option in a Select tag carry multiple values?
...ars after answering) to put both values into JSON format (using JSON.stringify()) because of a complaint that my proof-of-concept answer "could confuse a newbie developer."
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Difference between .success() and .complete()?
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.success() only gets called if your webserver responds with a 200 OK HTTP header - basically when everything is fine.
However, .complete() will always get called no matter if the ajax call was successful or not - maybe it outputted errors and returned ...
Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
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Since С99 the matching between format specifiers and floating-point argument types in C is consistent between printf and scanf. It is
%f for float
%lf for double
%Lf for long double
It just so happens that when arguments of type float are passed as variadic para...
How to get the second column from command output?
...) is being printed. To help visualize it, this is what it would look like if we wanted to add blank spaces around $2 instead of quotation marks: '{print " "$2" "}'. We can also add format spacing to make it a little easier to grok: '{print " " $2 " "}'
– Tom
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Removing duplicate values from a PowerShell array
...That was too easy :-(. In PowerShell 2 you can also use Get-Unique (or gu) if your array is already sorted.
– Joey
Sep 8 '09 at 5:30
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Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
...tual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead.
If you are using the callback-manipulation function (using method-chaining for example), use .done(), .fail() and .always() instead of success(), error() and complete().
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Will writeToFile:atomically: overwrite data?
...nstallation package that demands root privileges -- I don't know how to verify/printout the privileges with which my code is run.
– Motti Shneor
Apr 4 '16 at 7:59
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Increase number of axis ticks
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You can override ggplots default scales by modifying scale_x_continuous and/or scale_y_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 c...
How to set UICollectionViewDelegateFlowLayout?
...ller maintains a reference to a UICollectionView. The controller should modify the built-in flow layout using the UICollectionViewDelegateFlowLayout.
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New to MongoDB Can not run command mongo
...ata/db/
$ sudo chown `id -u` /data/db
You can also tell MongoDB to use a different data directory,
with the --dbpath option.
For more detailed information go to MongoDB wiki page.
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