Displaying 5 results from an estimated 5 matches similar to: "NULL id''s / invalid references"
2007 Aug 30
1
belongs_to with foreign keys that reference non primary key columns
Hello,
I have a situation where the foreign key into a table doesn''t
correspond to that table''s primary key:
my_table
-------------
id (pk)
name
...
other_table
--------------
id (pk)
my_table_name (fk references my_table(name))
...
I want to be able to say something like:
class OtherTable < ActiveRecord::Base
belongs_to :my_table, :foreign_key => { :my_table_name
2011 Sep 17
0
joining and array with a table in ActiveRecord
Hey
I am pretty new to Ruby on Rails and I have no idea how to solve the
following:
I have a join query on a table like this:
def mytags
Taggable.joins("JOIN taggables as filter ON taggables.tag_id =
filter.tag_id WHERE filter.taggable_type = ''User'' AND filter.taggable_id
= 1").all
end
this works perfectly fine.
then I want to join the result on another
2003 Feb 17
1
R environment advice?
Hello,
My questions are meant to be not necessarily specific...I am looking for
advice and best practices for setting up an R environment. Here's my
situation:
I am one of perhaps three or four individuals who will be analyzing the
same data through the use of R. I would like to set up a "base"
environment for our project, basically some scripts that connect to a
database, load
2003 Jun 09
21
shorewall + tos + netbios
Hi Tom,
How are u?
hehehe
I have a question.
I have 2 pc with redhat 9.0 configured with ipsec freeswan 1.99 (vpn)
and i have to tranfer file from one to the othert one.
I see that ftp tranfer have a throughtput is the double than a netbios
tranfer... why???
I supposed the problem is the TOS.(/etc/shorewall/tos) and i modified
the file like ftp... in this method.
#SOURCE DEST
1998 May 26
0
Re: Beware of dangerous enviroment (Re: Overflows in minicom)
On Sat, 23 May 1998, Torkil Zachariassen wrote:
> >I have browsed various versions of libc and found a handful of weak points
> >where the value of an enviroment variable is trusted more than necessary.
>
[1]
> Could you explain to programming novices on linux-security - people like
> myself 8) - hwo this could affect security on a firewall (proxy and/or
> IP-router,