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Re: my $x or my ($x)

by nmerriweather (Friar)
on Apr 05, 2006 at 19:11 UTC ( #541492=note: print w/replies, xml ) Need Help??


in reply to my $x or my ($x)

if you're declaring 1 variable, its convoluted and a mess to do
my ($x) my $x; my $y; my $z;
but if you're instantiating a bunch of items before an eval block / loop:
my ( $x , $y , $z ); my ( $x , $y , $z );
both look cleaner to read and have a slighty faster perfomance (though its really insignficant). you can bench to see.

also: if you're doing oop perl:
sub function{ my $self = @_; }
is bad form - what if an argument is missing/extra?
sub function{ my ($self) = @_; }
is better. because you might want
sub function{ my ($self , $arg1 , $arg2 ) = @_; }

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[Corion]: Also, I would be wary of encodings and try to make really sure that both input strings are UTF-8. Maybe join the input strings from one source together to see whether they decode as bad or not
[Corion]: LanX: Then the problem should persist without encoding to base64 too ;)
[LanX]: I think it's a flag problem ... I'll produce a reprodocable example for SOPW
[Corion]: "flag problem" to me sounds like "contains UTF-8 bytes but was never properly decoded to an UTF-8 string"
[LanX]: not my code ...
[choroba]: yeah, sounds like one of the strings is not flagged as UTF-8
[choroba]: which usually means its input wasn't handled correctly
[Corion]: choroba: Yeah, I think that would be the good solution
[LanX]: I suspect the first string which comes from the DB ...
[LanX]: ... but this part is already in production for a year now

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