[#393742] Getting the class of an object. — Ralph Shnelvar <ralphs@...32.com>

Consider;

14 messages 2012/03/06

[#393815] arcadia IDE requires tcl/tk and ruby-tk — Thufir Hawat <hawat.thufir@...>

which or where tcl and tk does arcadia require? Is this a gem which I

13 messages 2012/03/13

[#393952] What’s the best way to check if a feature/class has been loaded? — Nikolai Weibull <now@...>

Hi!

18 messages 2012/03/21
[#393953] Re: What’s the best way to check if a feature/class has been loaded? — Xavier Noria <fxn@...> 2012/03/21

Active Support has recently added qualified_const_* methods to Module

[#393954] Re: What’s the best way to check if a feature/class has been loaded? — Xavier Noria <fxn@...> 2012/03/21

Ah, that won't work in 1.8.

[#393959] Re: What’s the best way to check if a feature/class has been loaded? — Nikolai Weibull <now@...> 2012/03/21

On Wed, Mar 21, 2012 at 16:43, Xavier Noria <fxn@hashref.com> wrote:

[#393960] Re: What’s the best way to check if a feature/class has been loaded? — Xavier Noria <fxn@...> 2012/03/21

On Wed, Mar 21, 2012 at 8:17 PM, Nikolai Weibull <now@bitwi.se> wrote:

[#393961] Re: What’s the best way to check if a feature/class has been loaded? — Nikolai Weibull <now@...> 2012/03/21

On Wed, Mar 21, 2012 at 20:48, Xavier Noria <fxn@hashref.com> wrote:

[#393962] Re: What’s the best way to check if a feature/class has been loaded? — Xavier Noria <fxn@...> 2012/03/21

On Wed, Mar 21, 2012 at 9:51 PM, Nikolai Weibull <now@bitwi.se> wrote:

[#393967] Re: What’s the best way to check if a feature/class has been loaded? — Nikolai Weibull <now@...> 2012/03/22

On Wed, Mar 21, 2012 at 22:11, Xavier Noria <fxn@hashref.com> wrote:

[#393969] Re: What’s the best way to check if a feature/class has been loaded? — Xavier Noria <fxn@...> 2012/03/22

On Thu, Mar 22, 2012 at 6:15 AM, Nikolai Weibull <now@bitwi.se> wrote:

[#394154] uninitialized constant SOCKSSocket — Resident Moron <lists@...>

I am running ruby 1.9.3 on a linux box. I would like to use

10 messages 2012/03/29

[#394160] Why z = Complex(1,2) rather than z = Complex.new(1,2)? — Ori Ben-Dor <lists@...>

What's this syntax, z = Complex(1,2), as opposed to z =

14 messages 2012/03/29

[#394175] shoes no such file to load -- rubygems — Mr theperson <lists@...>

I have installed shoes to develop GUI applications but when I try and

13 messages 2012/03/29

[#394201] Can't open url with a subdomain with an underscore — Jeroen van Ingen <lists@...>

I try to open the following URL: http://auto_diversen.marktplaza.nl/

10 messages 2012/03/30

[#394222] Ruby openssl ECC help plz — no name <lists@...>

I am confused on how to properly export public ECC key. I can see it

13 messages 2012/03/31

Re: ActiveRecord and working with sequences

From: Kendall Gifford <zettabyte@...>
Date: 2012-03-22 22:54:05 UTC
List: ruby-talk #393994
On Thu, Mar 22, 2012 at 12:22 PM, David Kerr <dmk@mr-paradox.net> wrote:
> Howdy,
>
> (sorry if this ends up as a duplicate post, my subscription was messed up=
)
>
> I'm very new with ruby and ActiveRecord.

The first thing you should know is that there is a Ruby on Rails
specific group where rails-specific questions should go:

https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-talk

>
> I've got a table in postgres that looks something like
>
> create table test
> =C2=A0 test_id =C2=A0 =C2=A0 =C2=A0 not null default nextval('test_id_seq=
')
> =C2=A0 test_parent =C2=A0 int not null
> =C2=A0 test_name =C2=A0 =C2=A0 varchar(20) not null
>
>
> For the parent record, test_parent =3D test_id.
> I can't change the schema, so i need to work with the table structure I
> have.
>
>
> What's the best way to handle that situation in ActiveRecord?
>
> It seems like i should do something like:
> SEQ =3D <code to select nextval('test_id_seq')>
> Test.new(:test_id =3D> SEQ, :test_parent =3D> SEQ, :test_name =3D> 'wooho=
o' );
>
>
> I'm not sure how to active the <code to select nextval()> portion with
> ActiveRecord.
>
> I tried:
> seq =3D ActiveRecord::Base.connection.execute("SELECTnextval('test_id_seq=
')")
>
> And that seems to be doable, but the PG:Result class is a little weird, s=
o I
> was hoping there was a better way.
>
>
> Thanks.
>
> Dave
>

As for using PostgreSQL sequences, check out:

http://api.rubyonrails.org/classes/ActiveRecord/ModelSchema/ClassMethods.ht=
ml#method-i-sequence_name-3D


--=20
Kendall Gifford
zettabyte@gmail.com

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