From: "Esteban Manchado Velázquez" <zoso@...>
Date: 2006-05-15T01:05:53+09:00
Subject: Re: changing the type of a variable

--rS8CxjVDS/+yyDmU
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, May 11, 2006 at 04:02:39AM +0900, Allison Newman wrote:
> Hi,
>=20
> I'm a ruby newbie, although I'm a programmer with 10yrs experience.  I=20
> was running myself through the tutorial in Agile Web Development With=20
> Rails, when I ran into a problem.  somewhere in the code I mistakenly=20
> entered
>=20
> @items =3D 0
>=20
> instead of
>=20
> @items =3D []
>=20
> A bit later I tried the following
>=20
> @items << LineItem.for_product(product)
>=20
> but when i try to execute this code I got the following error:
>=20
> "cannot convert LineItem to Integer"
>=20
> Looking back through the code, I found the error mentioned above, and=20
> corrected it.  However, Rails still insists that @items is an Integer.=20
> Can anyone suggest what has gone wrong, or what I can do to fix it?

    Make sure you have actually changed all the "@items =3D 0" occurrences =
in
the code to the correct version, and also make sure that you aren't passing
around (through a form) any "items" variable to the value "0".

    Are those two lines in some controller action? It's not clear whether
they are, or if you're using some external library or something... :-/

--=20
Esteban Manchado Vel=E1zquez <zoso@foton.es> - http://www.foton.es
EuropeSwPatentFree - http://EuropeSwPatentFree.hispalinux.es

--rS8CxjVDS/+yyDmU
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (GNU/Linux)

iD8DBQFEZ1U3hYgK5b1UDsERAuHQAJ4zP32GinUIo30OpzKOObMc6LCjfgCfbHb2
O1kkAM2/ftLzAeVFM6EmxZ8=
=QEk2
-----END PGP SIGNATURE-----

--rS8CxjVDS/+yyDmU--