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Cluster analysis in R: determine the optimal number of clusters
...tml for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans:
mydata <- d
wss <- (nrow(mydata)-1)*sum(apply(mydata,2,var))
for (i in 2:15) wss[i] <- sum(kmeans(mydata,
centers=i)$withinss)
plot(...
SQL Server IN vs. EXISTS Performance
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EXISTS will be faster because once the engine has found a hit, it will quit looking as the condition has proved true.
With IN, it will collect all the results from the sub-query before further processing.
sh...
Character Limit in HTML
How do you impose a character limit on a text input in HTML?
6 Answers
6
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The term 'Get-ADUser' is not recognized as the name of a cmdlet
...tiveDirectory module is default present in windows server 2008 R2, install it in this way:
Import-Module ServerManager
Add-WindowsFeature RSAT-AD-PowerShell
For have it to work you need at least one DC in the domain as windows 2008 R2 and have Active Directory Web Services (ADWS) installed on it....
Can I get the name of the currently running function in JavaScript?
Is it possible to do this:
19 Answers
19
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Remove large .pack file created by git
...es in to a branch and merged and then had to remove them and now I'm left with a large .pack file that I don't know how to get rid of.
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Working copy XXX locked and cleanup failed in SVN
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One approach would be to:
Copy edited items to another location.
Delete the folder containing the problem path.
Update the containing folder through Subversion.
Copy your files back or merge changes as needed.
Commit
Another option would be to delete the t...
Hiding user input on terminal in Linux script
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I like this way better. I would vote you up If I didn't hit my daily limit
– SiegeX
Nov 30 '10 at 17:53
4
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What are the differences and similarities between ffmpeg, libav, and avconv?
When I run ffmpeg on Ubuntu, it shows:
1 Answer
1
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Set keyboard caret position in html textbox
...nybody know how to move the keyboard caret in a textbox to a particular position?
9 Answers
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