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The Bad, the Ugly, and the Good of autovivification

by tlm (Prior)
on Apr 08, 2005 at 02:06 UTC ( #445927=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
    my $number_of_entities = keys %hoh;      # BONK!
  2. or download this
    my @big_in_assoc_1 = grep keys %{$assocs_1{$_}} > 25, keys %assocs_2;
    # ... tics later
    my @relative_complement = grep !exists %assocs_1{$_}, keys %assocs_2; 
    + # OUCH!
  3. or download this
    my $number_of_entities = grep defined $hoh{$_}, keys %hoh;     
  4. or download this
    my @big_in_assoc_1 =
      grep $assocs_1{$_} && keys %{$assocs_1{$_}} > 25,
      keys %assocs_2;

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Node Type: perlmeditation [id://445927]
Approved by bobf
[choroba]: marto++ # if you're living in the cloud, you're going to get rained on
Corion discovers that ffmpeg is supposed to have audio fingerprinting built in already. Maybe the ffmpeg at home has that too. Then I could automate removing audio jingles from that one radio show I listen to :)

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