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How to handle multiple heterogeneous inputs with Logstash?
...gist.github.com/fairchild/3030472 Per documentation: Add a 'type' field to all events handled by this input. Types are used mainly for filter activation. The type is stored as part of the event itself, so you can also use the type to search for it in the web interface.
– Tony...
How do I center align horizontal menu?
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<ul id="topmenu firstlevel">
<li class="firstli" id="node_id_64">
<div><a href="#"><span>Om kampanjen</span></a>
</div>
</li>
<li id="node_id_65">
<div><a href="#"><span>Fakta om inn...
Setup a Git server with msysgit on Windows [closed]
.../web/20100207010332/http://www.timdavis.com.au/…
– alldayremix
Dec 1 '12 at 5:01
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How to filter None's out of List[Option]?
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someList.filter(_.isDefined) if you want to keep the result type as List[Option[A]]
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f...
Installed Java 7 on Mac OS X but Terminal is still using version 6
...ere isn't really a need for it anymore. Instead you have to use export JAVA_HOME=`/usr/libexec/java_home -v 1.7` to switch to the latest Java 7 JDK from Oracle.
– Uwe Günther
Mar 9 '13 at 2:54
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What should I set JAVA_HOME environment variable on macOS X 10.6?
...a_home)
I haven't experienced any problems with that technique.
Occasionally I do have to change the value of JAVA_HOME to an earlier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running:
export JAVA_HOM...
Scatterplot with too many points
...;- data.frame(x = rnorm(5000),y=rnorm(5000))
ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regula...
How to convert array to SimpleXML
...ent('<?xml version="1.0"?><data></data>');
// function call to convert array to xml
array_to_xml($data,$xml_data);
//saving generated xml file;
$result = $xml_data->asXML('/file/path/name.xml');
?>
Documentation on SimpleXMLElement::asXML used in this snippet
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How to find corresponding log files folder for a web site?
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Ok, I've found this property - it's called "site id" and resides in "Advanced Properties" of the website.
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How to sum array of numbers in Ruby?
... using array.map(...).inject(...) is inefficient, you will iterate through all data twice. Try array.inject(0) { |sum, product| sum += product.price }
– everett1992
Apr 4 '13 at 6:11
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