Guys, Perl is famous for backwards compatibility. What is the oldest bit of perl use that is still relevant that you have heard of?

submitted by /u/saiftynet
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I would like to know whether function which takes complex data structure of N depth, performs ANY changes on it. Should I Dumper() before and after, use tied hashes/arrays, or some other clever technique?

submitted by /u/mpapec2010
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My client would like the package files in their project encrypted to protect the source code.

I have spent at this stage around 50 hours trying various cpan modules and its just not working, i also tried compiling an exe which also just fails.

Project is running apache2.2/perl5.10/mod_perl 2.0.4 and the majority of cpan modules fail to install for some or other reason

Please help me, are any alternatives to these methods, the documentation and online resources are slim.

The project runs on a local windows environment so the files are easily accesible.

The project is also a big mess so dependencies and libraries are a bit hard to pin down.

submitted by /u/Mowntain-Goat8414
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Is there a common way or best practice, for creating a HTML "checkbox" form field and marking it checked?

This is what I started using:

print qq{ <input type="checkbox" name="fieldName" value="1" @{ ($fieldValues{fieldName}) ? 'checked="checked"' : '' } /> };

submitted by /u/ComparisonExtension3
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