similar to: Sorting by computed temporary field

Displaying 20 results from an estimated 700 matches similar to: "Sorting by computed temporary field"

2006 Jun 16
3
Does HABTM support non "id" FKs?
Quick question. Say I have a geographical database with counties and zip codes where counties have and belong to many zip codes. zip_codes (id, zip_code) counties (id, name) When I create the association table, the Rails way says to do the following: counties_zip_codes (county_id, zip_code_id). However, given that zip_codes.zip_code is itself a candidate key, I would much prefer to do the
2009 Jun 23
2
syntax error, unexpected tINTEGER, expecting $end
Please help me solve the following error message: syntax error, unexpected tINTEGER, expecting $end I have this model: Code: 1. class GeoDatum < ActiveRecord::Base 2. end The database contains the table geo_data, which contains the zip_code column, filled with zip codes. I get the above error when searching for a zip code and the zip code exists in the table. Here is the
2008 Dec 23
1
aggregate / tranpose data
Dear R-Users, Suppose I have data in the following format: CODE_NAME ZIP_CODE John 12345 John 23456 John 34567 Jane 13242 Jane 22123 I want to transpose / convert it into: CODE_NAME ZIP_CODE John 12345,23456,34567 Jane 13242,22123 Any idea/pointer is appreciated.
2006 Oct 13
3
Validation errors in has_one/belongs_to relationships.
I have two objects, QuoteInput and Insured. QuoteInput has one Insured and Insured belongs to QuoteInput. I don''t understand what I''m seeing. I assign an Insured to a QuoteInput. The Insured object has invalid data. I call save! on the quote input. QuoteInput has no validations. I expect two things to happen - 1) an exception should be thrown, indicating that there was a
2013 Dec 10
2
form_tag + fields_for Rails 4
Hi There, I''m trying to user fields_for inside a form_tag, but i can''t catch it on my controller. I just take some html code off to makes it easy to read my view... i''m using campuses_path(current_church, @campus) instead form_for @campus, because my route is like resources :campuses, :path => ":church/campuses" <%= form_tag
2007 Jun 28
1
complete stumper: variable exists in hidden_field_tag, but nil everywhere else
This is a real mystery to me. I have an instance variable in a partial that only gives its value inside a hidden_field_tag. If I try to use the variable anywhere else in the partial, i either get nil or an undefined error. The goal is to use the value of @event.id outside of hidden_field_tag. Here''s what works: <%= hidden_field_tag ''id'', @event && @event.id,
2004 Feb 26
2
Trivial API question
I know - I like to futz. I''m thinking of changing the way I pass optional arguments. This is from EventLog: # Write an event to the event log # Current way el.report_event( "source" => "foo", "category" => 0x2, "event_id" => 0x3, "data" => "Warning! Danger Will Robinson!", "type"
2007 Nov 22
1
has_many :through questions
I''ve created the following associations using :through: class Person < ActiveRecord::Base has_many :attendees, :dependent => :destroy has_many :events, :through => :attendees, :uniq => true end class Event < ActiveRecord::Base has_many :attendees, :dependent => :destroy has_many :people, :through => :attendees, :uniq => true
2012 Mar 22
1
Rspec not loading fixtures
I am taking over a code base and am trying to run the tests. I am somewhat new to RSpec so this might be a trivial problem. Basically I can tell that the fixtures are not getting loaded. All 100 tests fail with a similar error. But I don''t know why. Below is the code, with my narrative with *** before it... Can you see anything or give me a clue where to look. So far I am coming up
2009 Jul 31
2
Undefined method updated? for <model object>
Hi, I have two model say- ZipCode < ActiveRecord::Base belongs_to :state_provinces end StateProvince < ActiveRecord::Base has_many :zip_codes end if I do @zip_code.update_atribute(:city, "My City") its giving Undefined method updated? for StateProvince if I remove belongs_to specifier in ZipCode class then it work fine. Any alternate solution?? Thanks -- Regards, Himanshu
2006 Jul 19
1
Catch 22 with after_save. Please help.
I have a pretty strange problem. Here is basically what I have to demonstrate my problem: class Event < ActiveRecord::Base def after_create AnotherClass.find_event(id) end end class AnotherClass < ActiveRecord::Base def self.find_event(event_id) e = Event.find event_id end end Here is the catch 22 and it''s quite annoying. Basically ActiveRecord puts to whole save
2007 Apr 09
1
help with ActiveRecord joins
I''m working on a fairly complex join query and could use a bit of advice from more expert users of ActiveRecord. I have an events table with quite a lot of data, with has_many relations to categories, age_groups, and event_images. In my first naive implementation, each event had a date, so to load all upcoming events efficiently, I''d do: Event.find(:all,
2006 Apr 11
1
acts_as ... hourly_list?
Hi, My question is a bit of wonder and a bit of enlightment. I have two models, Channel and ChannelItem, the second is a list of Events, ordered by position (because I''m using acts_as_list). Later I use a method in Channel to recalculate the hour when that show come online, based on the duration of it and doing math based on the previous one duration and start time, starting from
2006 May 21
6
Possible problems with EventLog#write
Hi, I''ve got EventLog#write and EventLog.add_event_source methods done. Well, I *think* they''re done, but I can''t get the data (text) to work properly, and I''m not sure if it''s a bug in my .mc file, the add_event_source method, the write method, or just a goof in my test file. The source, category and event id seem to be ok. However, the
2012 Sep 28
1
How to Include Associations in #as_json
Hi, Does anyone know how to include nested associations when overriding a model''s #as_json method? Below is my attempt to include direct and nested associations. NOTE: "office" is a direct association, "company" is nested association via "office". I''d like both included in the generated json output. def as_json(options={}) super(:include
2010 Aug 19
4
implementing project management and event types
I am implemented a simple project management application. Each project has various events, and each event can be a different type. Some event information is common, such as name, start date, close date, and comments. I have a projects table which has_many events. My plan is to have several sub-event tables, like event_get_access which will contain an event_id field to link it to table events as
2006 Dec 08
9
How to update partial attributes of a object from a form?
I have a user table, and it has forty columns, including name, gender, address, email, phone... So my @user object will have forty attributes. I divide these attributes into 4 groups... namely ''general info'', ''personal info'', ''contact info''... and I make separate forms to edit these 4 different group attributes. The problem is when I update
2009 Apr 16
0
how to convert the find_by_sql code to the find code
I want to convert following query into pure ruby one i.e. by using find @us_state_sales=SalesReport.find_by_sql("SELECT z.state, sum(s.royalty_price) as royalty_price, sum(s.units) as units FROM sales_reports s, zip_codes z WHERE royalty_currency = ''USD'' && z.zip_code=s.postal_code GROUP BY z.state ORDER BY royalty_price desc LIMIT 10") i try something like
2020 Feb 07
0
[RFC PATCH v7 53/78] KVM: introspection: add KVMI_VCPU_CONTROL_EVENTS
From: Mihai Don?u <mdontu at bitdefender.com> This command enables/disables vCPU introspection events. Signed-off-by: Mihai Don?u <mdontu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 45 +++++++++- include/linux/kvmi_host.h
2006 Jun 01
1
How to achieve anchor in the html http://localhost:3000/event/event_info/100#comment5
I want to have the final URL something like this http://localhost:3000/event/event_info/100#comment5 comment_anchor = ''#comment5'' redirect_to :controller => ''event'', :action => ''event_info'' , :id => @session[:event_id] Now how do I pass this comment_anchor as html param to redirect_to ? Thanks. -------------- next part