From: Florian Gilcher <flo@...>
Date: 2008-06-30T22:25:33+09:00
Subject: Re: What am I doing wrong! Arrays

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Are you a PHP programmer by trade?

That a typical PHP behaviour, because PHP casts Strings to Ints before  
comparing. This can be confusing. (Although they sell it as "good  
usability") Ruby does not know implicit casts and thus 11 != "11".  
Ruby is not as lax as PHP when it comes to types.

(Fun fact. Did you know that 11 == "11abcde"? Ask PHP. Second FF: Did  
you know that a variable containing 0 or "0" is empty()?)

Regards,
Florian Gilcher

On Jun 30, 2008, at 10:27 AM, Sebastian Hungerecker wrote:

> Tj Superfly wrote:
>> twelve = "12" and then changed it to array.length == twelve it does  
>> the
>> same thing.
>
> You're still compating array.length to "12", but Array#length returns
> an integer, not a string. "12" is a string. array.length will return
> 12 and as Daniel said 12 == "12" is false. Whether you assign "12" to
> a variable first or not.
>
> HTH,
> Sebastian
> -- 
> Jabber: sepp2k@jabber.org
> ICQ: 205544826
>

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.8 (Darwin)

iEYEARECAAYFAkho32gACgkQJA/zY0IIRZYvewCeLtepLFf1XWzb9tQMsNFWozzR
g6oAoLGQhz4CyFJfmN1VWBRdeBlSZlFx
=zsUH
-----END PGP SIGNATURE-----