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class
...ngleton class (eigenclass). This allows you to specialise the behaviour of <em>mem>ethods called on that specific object.
a = 'foo'
class &a<em>mem>p;lt;&a<em>mem>p;lt; a
def inspect
'"bar"'
end
end
a.inspect # =&a<em>mem>p;gt; "bar"
a = 'foo' # new object, new singleton class
a.inspect # =&a<em>mem>p;gt; "foo"
Now, to answer the...
Cluster analysis in R: deter<em>mem>ine the opti<em>mem>al nu<em>mem>ber of clusters
Being a newbie in R, I'<em>mem> not very sure how to choose the best nu<em>mem>ber of clusters to do a k-<em>mem>eans analysis. After plotting a subset of below data, how <em>mem>any clusters will be appropriate? How can I perfor<em>mem> cluster dendro analysis?
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Calculating days between two dates with Java
I want a Java progra<em>mem> that calculates days between two dates.
11 Answers
11
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How to split text without spaces into list of words?
Input: "tableapplechairtablecupboard..." <em>mem>any words
16 Answers
16
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How to find patterns across <em>mem>ultiple lines using grep?
...
Grep is not sufficient for this operation.
pcregrep which is found in <em>mem>ost of the <em>mem>odern Linux syste<em>mem>s can be used as
pcregrep -<em>Mem> 'abc.*(\n|.)*efg' test.txt
where -<em>Mem>, --<em>mem>ultiline allow patterns to <em>mem>atch <em>mem>ore than one line
There is a newer pcre2grep also. Both are provided by the PCRE proj...
How to progra<em>mem><em>mem>atically clear application data
I a<em>mem> developing auto<em>mem>ated tests for an android application (using Robotiu<em>mem>). In order to ensure the consistency and reliability of tests, I would like to start each test with clean state (of the application under test). In order to do so, I need to clear the app data. This can be done <em>mem>anually in Se...
How can I set up an editor to work with Git on Windows?
I'<em>mem> trying out Git on Windows . I got to the point of trying "git co<em>mem><em>mem>it" and I got this error:
33 Answers
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How do we count rows using older versions of Hibernate (~2009)?
For exa<em>mem>ple, if we have a table Books, how would we count total nu<em>mem>ber of book records with hibernate?
8 Answers
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PHP &a<em>mem>p; <em>mem>ySQL: Year 2038 Bug: What is it? How to solve it?
I was thinking of using TI<em>Mem>ESTA<em>Mem>P to store the date+ti<em>mem>e, but I read that there is a li<em>mem>itation of year 2038 on it. Instead of asking <em>mem>y question in bulk, I preferred to break it up into s<em>mem>all parts so that it is easy for novice users to understand as well. So <em>mem>y question(s):
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Using a custo<em>mem> typeface in Android
I want to use a custo<em>mem> font for <em>mem>y android application which I a<em>mem> creating.
I can individually change the typeface of each object fro<em>mem> Code, but I have hundreds of the<em>mem>.
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