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Cluster analysis in R: determine the optimal number of clusters
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1024
If your question is how can I determine how many clusters are appropriate for a kmeans analysis ...
Difference between method and function in Scala
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240
Jim has got this pretty much covered in his blog post, but I'm posting a briefing here for refe...
How to grant remote access permissions to mysql server for user?
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143
This grants root access with the same password from any machine in *.example.com:
GRANT ALL PR...
How to Sign an Already Compiled Apk
...-keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
then sign the apk using :
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore my_application.apk alias_name
check here for more info
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Finding differences between elements of a list
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SilentGhostSilentGhost
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How do I detect IE 8 with jQuery?
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answered Feb 4 '10 at 18:56
AndiDogAndiDog
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How to get WordPress post featured image URL
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edited Jul 29 '14 at 18:56
Seth
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answer...
How to write a multidimensional array to a text file?
...This (a 2D array) works fine
import numpy as np
x = np.arange(20).reshape((4,5))
np.savetxt('test.txt', x)
While the same thing would fail (with a rather uninformative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10...
Getting the array length of a 2D array in Java
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184
Consider
public static void main(String[] args) {
int[][] foo = new int[][] {
new ...