Beefy Boxes and Bandwidth Generously Provided by pair Networks
Do you know where your variables are?

Re^3: What's the weaken here for?

by Anonymous Monk
on Jan 20, 2012 at 03:38 UTC ( #948877=note: print w/ replies, xml ) Need Help??

Help for this page

Select Code to Download

  1. or download this
       my $foo = {}; # ref count 1
    # it refers to it self, its self-referential,  a circular reference
    # for memory held by $foo to be released after $foo goes out of scope
    # $foo->{foo} has to be weakened, the reference count decreased
  2. or download this
    sub once {
      my ($self, $name, $cb) = @_;
      return $wrapper;

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://948877]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others scrutinizing the Monastery: (8)
As of 2015-11-25 12:03 GMT
Find Nodes?
    Voting Booth?

    What would be the most significant thing to happen if a rope (or wire) tied the Earth and the Moon together?

    Results (674 votes), past polls