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How do I remove duplicate items from an array in Perl?
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You can do something like this as demonstrated in perlfaq4:
sub uniq {
my %seen;
grep !$seen{$_}++, @_;
}
my @array = qw(one two three two three);
my @filtered = uniq(@array);
print "@filtered\n";
Outputs:
one two three
If you want to us...
Serialize an object to XML
...uccessfully "built" the object. But I need to serialize the object to XML. Is there an easy way to do it?
17 Answers
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When to use pip requirements file versus install_requires in setup.py?
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My philosophy is that install_requires should indicate a minimum of what you need. It might include version requirements if you know that some versions will not work; but it shouldn't have version requirements where you aren't sure (e.g.,...
Drop columns whose name contains a specific string from pandas DataFrame
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answered Sep 28 '13 at 20:55
NicNic
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Determine version of Entity Framework I am using?
I believe there are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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SSH Key - Still asking for password and passphrase
...or my username and password when I clone a repository. I want to bypass this step because it is an annoyance within my workflow.
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log4j logging hierarchy order
What is the hierarchy of log4j logging?
6 Answers
6
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How to pass in password to pg_dump?
...atabase every night before something catastrophic happens. It looks like this command should meet my needs:
15 Answers
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MySQL error 2006: mysql server has gone away
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It may be easier to check if the connection and re-establish it if needed.
See PHP:mysqli_ping for info on that.
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Getting a timestamp for today at midnight?
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answered Oct 29 '12 at 21:20
hakrehakre
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