Don't use constructs as hash values, that could return empty lists:

$ cat test.pl
  #!/usr/bin/perl

  use warnings;
  use strict;

  use CGI;
  use Data::Dumper;

  my $q = CGI->new;

  my %h = (
      one => $q->param('one'),
      two => $q->param('two')
  );

  print Dumper \%h;
  __END__

$ perl test.pl
$VAR1 = {
          'one' => 'two'
        };

$ perl test.pl one=1
Odd number of elements in hash assignment at test.pl line 11.
$VAR1 = {
          'one' => '1',
          'two' => undef
        };

$ perl test.pl two=2
Odd number of elements in hash assignment at test.pl line 11.
$VAR1 = {
          'one' => 'two',
          '2' => undef
        };

$ perl test.pl one=1 two=2
$VAR1 = {
          'one' => '1',
          'two' => '2'
        };

[download]

To use the $q->param("...") contruct as a hash value, force scalar context:

  my %h = (
      one => scalar $q->param('one'),
      two => scalar $q->param('two')
  );

[download]

--Frank

In reply to Re: DBIx::Class Pagination troubles by haoess
in thread DBIx::Class Pagination troubles by stonecolddevin

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.