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How to save a plot as image on the disk?
...he device using dev.off()
Some example code for saving the plot to a png file:
fit <- lm(some ~ model)
png(filename="your/file/location/name.png")
plot(fit)
dev.off()
This is described in the (combined) help page for the graphical formats ?png, ?bmp, ?jpeg and ?tiff as well as in the separa...
Remove duplicate elements from array in Ruby
...hat uniq takes a block, so if you have a have an array of keys:
["bucket1:file1", "bucket2:file1", "bucket3:file2", "bucket4:file2"]
and you want to know what the unique files are, you can find it out with:
a.uniq { |f| f[/\d+$/] }.map { |p| p.split(':').last }
...
When would you use the different git merge strategies?
...en those branches. The branches are just merged and nothing is done to the files. If you want to merge in the other branch and every time there is the question "our file version or their version" you can use git merge -X ours)
Subtree
Subtree is useful when you want to merge in another project int...
How to do a safe join pathname in ruby?
...
I recommend using File.join
>> File.join("path", "to", "join")
=> "path/to/join"
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How to add manifest permission to an application?
...ing to access HTTP link using HttpURLConnection in Android to download a file, but I am getting this warning in LogCat :
...
Is there a code obfuscator for PHP? [closed]
...or very big projects. They can't handle variables that are included in one file and used in another, for instance.
10 Answe...
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
...
What is “android:allowBackup”?
... they have a new lint warning that tells me the next thing on the manifest file (in the application tag):
4 Answers
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iOS change navigation bar title font and color
...he structure in Storyboard as Source Code mode (right click
the storyboard file > Open As ...)
In some cases the navigationItem tag associated with user defined runtime attribute was set as an xml
child of the view tag instead of the view controller tag. If so
remove it from between the tags fo...
Resource interpreted as Document but transferred with MIME type application/zip
...'d like to interpret the response as HTML. Now if even server send you PDF files, your browser tries to understand it as HTML. That's the problem. I'm searching to see what the reason could be. :)
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