similar to: NULL id''s / invalid references

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,