What happens in dereferencing?
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What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?
How to connect to SQL server through Perl?
What does init 5 and init 0 do?
Mention what is cpan?
How to turn on Perl warnings? Why is that important?
What is goto statement in perl?
There are some duplicate entries in an array and you want to remove them. How would you do that?
Explain the meaning of subroutine?
Is perl a case sensitive language?
my @array=('data1','data2'); my @array1=('data1','data2'); my ($i,$k); $i=7; $k=7; while($i){ $array [++$#array] = 'ree'; $i--; print "@array"; } while($k){ push(@array1,'ree'); $k--; print "@array1"; } Are these two while loop are doing the same functionality ? What may be the difference?
Explain tk?
What are perl variables?