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Cluster analysis in R: determine the optimal number of clusters
...lidean",
method = "kmeans", min.nc=2, max.nc=15,
index = "alllong", alphaBeale = 0.1)
hist(nb$Best.nc[1,], breaks = max(na.omit(nb$Best.nc[1,])))
# Looks like 3 is the most frequently determined number of clusters
# and curiously, four clusters is not in the output at all!
If yo...
Android Studio Collapse definitions and methods
How can I collapse all definitions and methods within the Android Studio editor?
14 Answers
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Reset all changes after last commit in git
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@RobertSiemer Actually, it can! If you have any folders composed entirely of ignored files it will remove those folders thus deleting ignored files. Consider a .gitignore file like the one here: stackoverflow.com/q/25554504/456645. In this e...
PL/SQL, how to escape single quote in a string?
In the Oracle PL/SQL, how to escape single quote in a string ? I tried this way, it doesn't work.
4 Answers
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Get content uri from file path in android
...nt URL as exact what you want. Instead there will be file Uri.
I had same question for my file explorer activity. You should know that the contenturi for file only supports mediastore data like image, audio and video. I am giving you the code for getting image content uri from selecting an image fr...
How can I extract embedded fonts from a PDF as valid font files?
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You have several options. All these methods work on Linux as well as on Windows or Mac OS X. However, be aware that most PDFs do not include to full, complete fontface when they have a font embedded. Mostly they include just the subset of glyphs used ...
Passing variables in remote ssh command
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If someone MUST use single quotes so that the command included in the quotes is not locally evaluated, then they should use "'$VARIABLE'". Example: ssh pvt@192.168.1.133 '~/tools/run_pvt.pl "'$BUILD_NUMBER'"'
– dr.doom
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How to create user for a db in postgresql? [closed]
I have installed PostgreSQL 8.4 on my CentOS server and connected to root user from shell and accessing the PostgreSQL shell.
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Most efficient way to create a zero filled JavaScript array?
... @PimpTrizkit arr = Array(n) and (arr = []).length = n behave identically according to the spec. In some implementations one could be faster, but I don't think there is a big difference.
– Oriol
Sep 22 '15 at 16:39
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Bash: If/Else statement in one line
...d for a reason. Often this sort of thing is merely suppressed (with grep -q or redirected to /dev/null).
– William Pursell
Feb 28 '14 at 21:24
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