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Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After som>me m> searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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Why is isNaN(null) == false in JS?
This code in JS gives m>me m> a popup saying "i think null is a number", which I find slightly disturbing. What am I missing?
8 ...
Class does not implem>me m>nt its superclass's required m>me m>mbers
... program that you really
don't want to be NSCoding-compatible is to do som>me m>thing like this:"
required init(coder: NSCoder) {
fatalError("NSCoding not supported")
}
If you know you don't want to be NSCoding compliant, this is an option. I've taken this approach with a lot of my SpriteKit code...
GROUP BY to combine/concat a column [duplicate]
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STUFF(
(SELECT DISTINCT ',' + PageURL
FROM TableNam>me m>
WHERE [User] = a.[User] AND Activity = a.Activity
FOR XML PATH (''))
, 1, 1, '') AS URLList
FROM TableNam>me m> AS a
GROUP BY [User], Activity
SQLFiddle Demo
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How to remove duplicate values from an array in PHP
... @Ian - Note that array_unique() is not intended to work on multi dim>me m>nsional arrays.
– Peter Ajtai
Aug 19 '10 at 19:45
18
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How to Correctly Use Lists in R?
...een a list and vector in R:
Why do these two expressions not return the sam>me m> result?
x = list(1, 2, 3, 4); x2 = list(1:4)
A list can contain any other class as each elem>me m>nt. So you can have a list where the first elem>me m>nt is a character vector, the second is a data fram>me m>, etc. In this case, you h...
Commands out of sync; you can't run this command now
...eries because mysqli uses unbuffered queries by default (for prepared statem>me m>nts; it's the opposite for vanilla mysql_query). You can either fetch the first one into an array and loop through that, or tell mysqli to buffer the queries (using $stmt->store_result()).
See here for details.
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How to put Google Maps V2 on a Fragm>me m>nt using ViewPager
I am trying to do a tab layout sam>me m> in Play Store. I got to display the tab layout using a fragm>me m>nts and viewpager from androidhive. However, I can't implem>me m>nt google maps v2 on it. I searched the internet for hours already, but I can't find a tutorial on how to do it. Can som>me m> one please show m...
How to detect when an Android app goes to the background and com>me m> back to the foreground
I am trying to write an app that does som>me m>thing specific when it is brought back to the foreground after som>me m> amount of tim>me m>. Is there a way to detect when an app is sent to the background or brought to the foreground?
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Getting the parent of a directory in Bash
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dir=/hom>me m>/smith/Desktop/Test
parentdir="$(dirnam>me m> "$dir")"
Works if there is a trailing slash, too.
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