hes , dont make the man.
> www.iraninfocenter.net
>www.sorna.net
> ___
> - Original Message -
> From: "Rex Arul" <[EMAIL PROTECTED]>
> To: "nafiseh saberi" <[EMAIL PROTECTED]>
> Sent: Tuesday, O
delete deletes a hash key and undef undefines a variable
nafiseh saberi wrote:
>
> hi all...
> I read about "undef" a lot
> but..
> I dont understand the difference between "undef" and "delete".. ?
> and why do we use undef...
> thx
> __
> Best regards ..
ot;nafiseh saberi" <[EMAIL PROTECTED]>
Sent: Tuesday, October 23, 2001 13:36 PM
Subject: Re: undef function
> undef as an operator is very useful to "free-up" tied resources like
> objects, database recordsets, connection objects or even ordinary arrays
and
> hashes.
>
&
gt;
Cc: "perl" <[EMAIL PROTECTED]>
Sent: Tuesday, October 23, 2001 5:58 AM
Subject: Re: undef function
> undef is not really a function ... delete is ...
> undef is (although many might disagree with me) more like a value not
unlike
> 1,2 or 'cowabunga' that just sa
OTECTED]>
Cc: "perl" <[EMAIL PROTECTED]>
Sent: Tuesday, October 23, 2001 13:28 PM
Subject: Re: undef function
> undef is not really a function ... delete is ...
> undef is (although many might disagree with me) more like a value not
unlike
> 1,2 or 'cowabunga' that ju
undef is not really a function ... delete is ...
undef is (although many might disagree with me) more like a value not unlike
1,2 or 'cowabunga' that just says there is no value (hope this makes sense)
but when u set a hash to undef it effectively deletes the hash from existance
... (again i migh
hi all...
I read about "undef" a lot
but..
I dont understand the difference between "undef" and "delete".. ?
and why do we use undef...
thx
__
Best regards . Nafiseh Saberi
Iran .
notes .
