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How does one do a SELECT MAX query in rails? I''ve searched and searched and tried lots of things with no luck. I want to implement "SELECT MAX(column_name) from table_name and have it return the maximum value from column_name. I just need to get that one value, not the whole object... Thanks for any ideas... Shelby _______________________________________________ Rails mailing

Using a <%= form_tag ... %>, how do I give a form a name, so that I can reference it with javascript? I sure can''t figure this out from the docs... Thanks, Shelby PS - what I am trying to do is just have the focus in the first form field when the form is loaded. There has to be an easy way to do this, but I can''t figure it out... -------------- next part --------------

I''m having an argument with my son :) I have a table with about 1500 objects called entries. I need to do something with about 100 of them (schedule manually) I say I should just mark them with a boolean when I have scheduled them. (manual == true) My son says I should pull them out of the entries table and copy them to new objects (lets call them "manual" objects, and store

I have a rather complex object with a number of attributes. For a variety of reasons, I would like one view to create the object with only a couple of fields completed, then a second and third view to finish all the fields. I would like the model to validate_presence_of all these fields, since eventually I need them all there, and I would like each page to validate its portion of the fields that

I have a database field called dates in which I am trying to serialize an array of DateTime objects. When I unserialize them, they are coming back in as Time objects. I know this, because I am getting errors that say "comparison between Time and DateTime failed. Why is this happening? Is there a way to prevent it?? Thanks Shelby -------------- next part -------------- An HTML attachment

Does any know of a way to sync the hardware clock without a reboot? Graham Johnston Senior Network Analyst Westman Communications Group 204.725.4300 ext 382 johnstong at westmancom.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20060719/70ef23ce/attachment-0002.html>

...lidations out, if you haven''t already. I don''t really know what''s up with (most of) Rails. api.rubyonrails.org, script/console, and rgrep on my gems directory are the 1-2-3 combo punch I use to figure out what''s going on and how it works. cheers, phil Shelby Westman <shelby.westman@gmail.com> wrote: Phillip - a day or so ago, when I posted a question about validating only parts of a model, you suggested this: @foo = Foo.new(params[:foo]) @foo.valid? #No, cause we haven''t finished completing it yet! @foo.errors.invalid ? :phone # => true i...

I'm looking for a nice Open Source web hosting Control Panel. Is anybody using VHCS with Centos4? Any other suggestions for good control panels? We'd really prefer a panel with a MySQL backend for user settings and such. Bob Pierce Systems Analyst Westman Communications Group pierceb at westmancom.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20050520/55229265/attachment-0004.html>

...s causing my problems? At first I thought that this might have been a hardware issue, but after about 8 hours on the phone with IBM we've pretty much ruled that out now. The server is running Redhat 7.2 with the latest rsync rpm from redhat (rsync-2.4.6-13). Thanks, Jon Cooper Network Analyst Westman Business a division of Westman Communications Group 204.726.8839 cooperj@westmancom.com

Reading the Agile book, I can''t find a single command to save a collection. The save command seems to operate on only individual objects. Lets say I have a collection that I have received from a find_all command. I want to go through and change some attributes in various objects in the collection. Then I want to resave the whole collection back to the database. I don''t think

I''m studying the Agile Development with Rails book. In the chapter that first sets up the depot application (page 68), there is this bit of code from a view: <% for product in @products %> <tr> <% for column in Product.content_columns %> <td><%=h product.send(column.name) %></td> <% end %> etc... I am trying to absorb both Ruby and

Let''s say I have an application and I want to create an admin program that will show me who is currently online using the application. I don''t know the best way to do this. Assuming I am storing my sessions in the default PStore, I don''t suppose there is any method that lists all the active sessions, is there? The only way I can think of to do this is to setup a

I have rewritten a java webapp into rails. The database structure is basically the same except that: 1) in the legacy app, several of the tables did not use ID numbers, but relied on other fields as the primary key 2) in the legacy app, there is a join table that uses email address and category names to do the join, not ID numbers I would like to move or change this database to match my new

I have an ActiveRecord model (called Festival) that contains an array of "FestDate" objects serialized into a sql text column of the Festival object. (like the Agile book first edition describes on p. 205) The FestDate objects themselvs are not ActiveRecord objects. (of course, otherwise they would be in their own table...) When working with a Festival, I would like to use various

I have a bit of code in a controller that looks like this: @current_festival.monitor_preferences.each do |pref| if pref.user_id == @me.id pref.preference = params[:monitor_pref] #pref.save end end @current_festival.save_with_validation(false) the Festival class has_many :monitor_preferences the MonitorPreference class belongs_to :festival In the configuration above, the

I would like to use the collection_select with a simply array as the source of the collection. My array looks like this: STATES = ["Alabama", "Alaska", "Texas"] and it is stored in my environment.rb I can''t figure out the syntax for the collection_select in this situation... collection_select("my_object", "state", what goes here??? ) I

I am confused about ruby fast C bindings. Does the command: gem install mysql install these? Is this page: http://www.tmtm.org/en/mysql/ruby/ the home page for these bindings? If so, it gives no instructions about installing them with using gem. Wondering if this is all the same??? Thanks for any help... Shelby _______________________________________________ Rails mailing list

Anyone here using Quagga/Zebra and OSPFd to accomplish Equal Cost Multipath. I have Quagga up and working I just can't get it to insert more than one route into the kernel for any given destination. Graham Johnston Senior Network Analyst Westman Communications Group 204.725.4300 ext 382 johnstong at westmancom.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20060606/6bf2004d/attachment-0002.html>

What are people using for a gui mib browser under centos 4. I used to use mbrowse under 3, but it doesn't seem available. Thanks in advance Graham Johnston Senior Network Analyst Westman Communications Group 204.725.4300 ext 382 johnstong at westmancom.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20051220/290ae43c/attachment-0001.html>

I notice php 5.1.1 was released a few days ago. Are there any plans to include this new version in the centosplus repo for CentOS 4.2? Bob Pierce Systems Analyst Westman Communications Group pierceb at westmancom.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20051130/1290f4ce/attachment-0005.html>