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Android Studio Project Structure (v.s. Eclipse Project Structure)
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Should I use a data.frame or a matrix?
...mine the choice.
Also:
Matrices are more memory efficient:
m = matrix(1:4, 2, 2)
d = as.data.frame(m)
object.size(m)
# 216 bytes
object.size(d)
# 792 bytes
Matrices are a necessity if you plan to do any linear algebra-type of operations.
Data frames are more convenient if you frequently refer ...
Storing custom objects in an NSMutableArray in NSUserDefaults
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Brad Larson♦Brad Larson
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Indent starting from the second line of a paragraph with CSS
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edited Dec 3 '19 at 16:43
Mike 'Pomax' Kamermans
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How do I exit from the text window in Git?
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edited May 23 '17 at 12:34
Community♦
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answered Feb 7 '12 at 5:32
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Proper way to implement IXmlSerializable?
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answered Nov 11 '08 at 5:14
Marc Gravell♦Marc Gravell
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What is the difference between include and extend in Ruby?
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Anwar
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answered Oct 1 '08 at 9:59
domgblackwelldomgblackw...
In a bootstrap responsive page how to center a div
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UPDATE for Bootstrap 4
Simpler vertical grid alignement with flex-box
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
html,
body {
height: 100%
}
<div class="h-100 row align-items-cent...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
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answered Jun 14 '09 at 1:20
Alex MartelliAlex Martelli
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