similar to: How to build a recursive parenting structure?

I am a newbie and I am running into a problem which I cant understand. I have a table called ''privileges'' which has the following fields CREATE TABLE `sdqualplanner`.`privileges` ( `id` int(10) unsigned NOT NULL auto_increment, `name` varchar(20) NOT NULL default '''', `description` varchar(100) NOT NULL default '''', `section_id`

I am trying to make many-to-may relationship on classes Section and Content. Both Content and Section has: has_and_belongs_to_many :contents and has_and_belongs_to_many :sections and I have an exception when trying to access model properties: "undefined method `add_contents'' for #<Section:0xb745c514>" def add_content_entry @section = Section.find(params[:section_id])

Hi all. I have a problem with postgresql PK columns and ActiveRecord. The error is: PGError: ERROR: null value in column "item_id" violates not-null. Ok, it''s wrong to insert NULL into PK columns, but rails doing it. How to fix? So sad..

Could someone please point me to the proper url to register for a fwd acount and get a fwd number. I couldn't find it at www.freeworlddialup.com or fwd.pulver.com Thanks, -Galt -- "They that would give up essential liberty for temporary safety deserve neither liberty nor safety." Benjamin Franklin

Hi all. I have has_and_belongs_to_many association between models: Section and Content. class Section < ActiveRecord::Base acts_as_tree has_and_belongs_to_many :contents belongs_to :default_content, :class_name => ''Content'', :foreign_key => ''default_content_id'', :dependent => :nullify end class Content < ActiveRecord::Base belongs_to

I''m close to getting this to work, but not quite there. I''m trying to implement a dropdown control, with the current choice selected. I have the following code in the view: 5 <select id="product_product_type" name="product[product_type]"> 6 <%= 7 types = ProductType.find(:all, :order => "product_type") 8

Hello, I have a price field that I validate of numbers. How can I default a 0.0 value? Regards, Frank Rocco farocco-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org

I created a simple test to try and pinpoint my problem but nothing seems clear to me. I created a Thing model with fields { id (INT), date (DATE) } now when I try to create a new "thing" the date does not get stored, and no errors are reported. @myNewThing = Thing.new(:date => "2006-08-07") @myNewThing.save this results in a new record with a date of

I''m not sure I completely understand the benefits of using ERBSQL or how to use it. Google searches have proved it to be rather undocumented. From what I understand the embedded ruby sql allows you to write sql that''s easier to deploy via the create_db script and also more portable to postgres, myslq, or whatever. But what I can''t find is a resource that

Deniz wrote: > Hi Everybody, > I am a newbie in this list so please forgive me if this is a lengthy > message. > Currently I am working on a project at my work place that includes > viewing some oracle tables(I do not have control over to rewrite the > tables) and searching the tables based on a given criteria with Rails. > Up untill now everything was working great. The

I wish I could be more clean in the subject but I honestly don''t know what to point at for the problem. I am trying to deploy a rails app to my external host (dreamhost). It works great in development on my machine but when It gets into production on dreamhost Data seems to be missing when I try and submit the form. Here''s what it looks like when it works... Processing

Hi Patrick, 2006/4/2, Patrick Beard <p.beard@blueyonder.co.uk>: > Hi Arnaud, > > Just wanted to let you know the the Belkin F6H500ukUNV is working for me > with the fentonups driver. > > http://catalog.belkin.com/IWCatSectionView.process?IWAction=Load&Merchant_Id=&Section_Id=202840 > > I originally tried it with the genericups driver with upstype=7 but this

Folks, I have a rake task that runs via cron and calls a controller action. I was getting the ''config/boot.rb:28:Warning: require_gem is obsolete'' warning, so I ran rake update:rails. Now I''m getting a whole bunch of errors and the rake task bombs. The traceback on the errors doesn''t seem to make much sense to me. Help? rake task... require

I am trying to create a null object in my application. I would like to assigned a null user object for anonymous/ mot-logged-in user, i.e. if session variable has nil data. In my User model, I have created a subclass like this: class UnassignedUser < User def save false end def update false end def username "Unassigned" end def county_id

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Hi all, I'm trying to get IAX2 trunking between two * boxes and am having extreme difficulty :) What happens is when the sending * server (the one initiating the call) receives the ACCEPT back from the receiving server it immediately replies with INVAL. I've checked the code and it seems to be not matching the accept packet with the relevant item in the iaxs array due to the following

Given a matrix B, where B=A'A, how can I find A? In other words, if I have a matrix B which I know is another matrix A times its transpose, can I find matrix A? Thanks, Mike

Hi, I''m having a weird validation issue. Validation isn''t working for certain attributes and, for some reason, it''s also affecting things outside of validation. For campers on certain camp types, we require some information about their school. I tried to validate the information this way: validates_presence_of :school_type, :if => Proc.new { |c| !c.booking.nil?

Avent Coupons can go a long way in improve the quality of your child?s well being. The best way to look out for these coupons is on internet. But that does not mean it is the only way. These are available in America?s finest magazines about parenting and child upbringing. But still there is no denying that fact that 75% of Americans search through the internet before making any purchases.

Hi guys, I was thinking aboiut this for a while: If I have nested resource routes, for example /building/1/floor/2/ room/ 3 (building has_many floors and so on), I have to call the room_path method like this: room_path @room.floor.building, @room.floor, @room Isn´t there a better way to handle nested routes with foreign keys, or can I have this method overwritten somewhere? Greets Jonas