similar to: validate uniqueness of two fields

I would like to validate the uniqueness of two columns together. I have last and first names as separate columns. What is the Rails Way to do this? Thanks, Jared Nuzzolillo _______________________________________________ Rails mailing list Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org http://lists.rubyonrails.org/mailman/listinfo/rails

I want to be able to find items according to various params - category_id, member_id, type_id, rating, etc. What I have now is something like: if(@params[''category_id'']) @items=Item.find(:all, :conditions=>["category_id=?", @params[''category_id'']) elsif(@params[''category_id''] and @params[''member_id''])

Hi all, On theserverside.com there is an article describing an interview with Bruce Tate, where he calls Java dead like Cobol. See: http://www.theserverside.com/news/thread.tss?thread_id=39066 However in the comments, some guy comes up with a good point: He states the following: <quote> I couldn''t come up with a viable enterprise quality/grade deployment platform for RoR. Even

Hello, I need to put an AJAX, form such that it is inside a table, and spans across few rows. But, what I am noticing is that, while submitting the form, the data in the fields is not submitted. If I move the form outside the table or inside a cell, things work OK, but not when the form is inside the table and spans few rows. This problem is only with AJAX forms, regular forms work perfect. I

Hi, I use link_to_remote to create a link to trigger an ajax, things work fine, a new rhtml is created, however, the newly created rhtml doesn''t replace my old zone, it shows instead on top of my old zone...Does someone know why??? my code is like <table> <tr><td colspan="2"><a href="#" onclick="new Ajax.Updater(''zone1'',

I have validates_uniqueness_of :name in my model which works fine when creating a record but doesn''t work when I edit the record. In other words it won''t let me create a record with the same name but I can go in after and update the field without a problem. Why would this happen? -Mike --~--~---------~--~----~------------~-------~--~----~ You received this message because you

Hi all I have the following models: class member has_and_belongs_to_many :disc_jockeys end class disc_jockey has_and_belongs_to_many :members end The relation table is called disc_jockeys_members and has the following fields: disc_jockeys_members(disc_jockey_id, member_id, status) So far, the field status can have values like valid, invalid, locked etc., but it is not regarded yet by

Hi, I have two tables with identical fields(assignments, and matches). However, only one of them accept NULL values for its fields. I want to be able to find out all the matches for any assignment. The search should retrun the match if the corresponding filed is NULL as well. I wrote down the following code but it doesn''t return anything. I wonder what I am doing wrong. Any help is

I''ve found vague mentions of various attempts at creating an ActiveRecord adapter for the KirbyBase pure Ruby DBMS, but nothing which looks like it''s actually working. Anyone know of such an adapter that is functional and available? b

Hi, I''d like to call a background image for every item in a list. Something like div#nav li.submenu {background: url(dropmenu.gif) 95% 50% no-repeat;} the image is in public/images/dropmenu.gif Thanks, Peter

Hi fellow programmers, I was looking for how to keep integrity in some financial transactions and I saw this "This could even happen if you use transactions with the ‘serializable’ isolation level." in the uniqueness page http://api.rubyonrails.org/classes/ActiveRecord/Validations/ClassMethods.html#method-i-validates_uniqueness_of. How this is possible with the serializablo

I want to write a validate routine to check to enforce that a position must be unique in a category. (In another category, it doesn''t have to and shouldn''t need to be unique.) I write this code which works happily for new items: def position_in_category_not_unique @items = Item.find( :all, :conditions => [ "category_id = ? AND position = ?", category_id,

I just got an email update on a radrails bug that I submitted a while back... Unfortunately, it''s just stupid spammers. So, I tried to go to the radrails trac to delete the spam or at least report it, and their trac is puking python errors (including environment information) all over the page! I can''t seem to get to any pages with any contact info, so I''m trying

Hi everyone, Are there any Rails systems that are either: * Easily extensible to use a different auth store? * Use LDAP out of the box? Thanks, Sean

Hi all I got the following class: class Member < ActiveRecord::Base has_and_belongs_to_many :buddies, :class_name => ''Member'', :join_table => ''members_have_buddies'', :foreign_key => ''member_id'', :association_foreign_key =>

Hello. I hope this is the right place to describe my problem ? After upgrading to Rails version 1.1.2 from rails version 1.0.0, Web Service functional tests seem broken. I upgraded rails (as the root user / administrator) with: # gem update rails --include-dependencies then I upgraded my application (as myself) with: ? rake rails:update % rake rails:update:configs After these steps,

How can I link to a CSS file in one of my view files? -- Posted via http://www.ruby-forum.com/.

This page: http://www.rails-engines.org/download makes it sound like SVN is optional for using engines, but when I try to run the second command ("ruby script/plugin install engines"), I get the NoMethodError on nil as described in the second issue reported here: http://www.rails-engines.org/wiki/pages/Engines+plugin%3A+Known+Issues So, which is it? Do I have to have SVN installed

I have controller that processes data in one table and puts results in another. Now that its'' working, I would like to be able to run it from the command line ( read: windows batch file). How can this be done? It will be installed on a Windows box with InstantRails1.0, (if that matters). I will be doing more processes like this, so this is a good opportunity to get it right. -- Best

Hi, I''ve read that Dr. Dobbs Journal''s last issue has a cover article about Rails titled "Ruby On Rails - Java''s Successor?". Can''t find anything about it in http://www.ddj.com Does someone have the paper edition and can confirm that, and tell how the article looks like, and so on. Thanks, -- Jean-Fran?ois. -- ? la renverse.