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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(...
How to implement a custom AlertDialog View
In the Android docs on AlertDialog , it gives the following instruction and example for setting a custom view in an AlertDialog:
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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How to getText on an input in protractor
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This is answered in the Protractor FAQ: https://github.com/angular/protractor/blob/master/docs/faq.md#the-result-of-gettext-from-an-input-element-is-always-empty
The result of getText from an input element is always empty
This is a webdriver quirk. and elements always h...
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...
how to delete all commit history in github? [duplicate]
I want to delete all commit history but keep the code in its current state because, in my commit history, there are too many unused commits.
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...QL Management Studio, which you can download for free from Microsoft's website:
Version 2008
Microsoft SQL Management Studio 2008 is part of SQL Server 2008 Express with Advanced Services
Version 2012
Click download button and check ENU\x64\SQLManagementStudio_x64_ENU.exe
Version 2014
C...
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....
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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