ruby-on-rails-2 Questions

6

I am new to rails and I am trying to render a partial within a loop as such. Here , books is an array eager loaded in controller. books.each do |book| <%= render 'books/book', :book => bo...
Gist asked 15/2, 2015 at 8:38

4

I have been following Railscasts episodes of Nested forms and complex forms. During the time of creating multiple model in a single form I was able to edit, update, delete and create records for sa...
Gavra asked 13/2, 2012 at 10:52

9

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I have a default time zone setup for the rails application. And an instance of the Date object. How can I get make Date#beginning_of_day to return the beginning of the day in the specified time zo...
Quodlibet asked 24/3, 2011 at 12:33

5

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In the Rails docs there seem to be different default locations for I18N strings, depending if the I18N-lookup was initiated from a view, model / validation, controller, helper, ..., if it's a label...

7

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I am trying to run a Rails two app with Ubuntu 10.04 server, sphinx, myql2 version 0.2.7 and percona server 5.5 (Myslql 5.5). mysql2 in irb works ok, I can connect to the db. this rails 2 app is wo...
Taphole asked 10/12, 2011 at 11:50

5

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I have a view from which I make an ajax request to the controller and after the action is successfully completed I initialize the flash.now[:notice]. But after the control goes back to the view. I ...
Crampon asked 20/8, 2011 at 17:27

5

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I'm running a Rails 2.3.5 application and upon running script/server I am shown the following: ./script/../config/../vendor/rails/railties/lib/rails/gem_dependency.rb:21:in `add_frozen_gem_path': ...
Bate asked 11/3, 2013 at 22:26

4

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I have a model MyModel with a serialized attribute a, describing an array of symbols. This code works : <% form_for @my_model do |f| %> <%= f.select :a, MyModel::AS, :multiple => tru...
Columbuscolumbyne asked 9/4, 2013 at 10:31

4

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My model (Bar) already has a reference column, let's call it foo_id and now I need to change foo_id to fooable_id and make it polymorphic. I figure I have two options: Create new reference colum...
Lipfert asked 29/8, 2014 at 7:21

5

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I want to check when my object @objectname is not equal to null to show the values of the @objectname else to show that no values found. I tried this: <% if (@objectname != null) then %> ...
Colettacolette asked 29/4, 2012 at 11:17

1

What happen if i use ruby version 2.5.1 with rails version 2.3.18 ? I had rails application built on rails 2.3.18 and ruby 1.9.2p320, I want to upgrade version of ruby only not the rails is it pos...
Cilice asked 26/7, 2018 at 13:30

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I need to query comments made in one day. The field is part of the standard timestamps, is created_at. The selected date is coming from a date_select. How can I use ActiveRecord to do that? I nee...
Argufy asked 4/3, 2010 at 18:28

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I am using Rails 2.3.5 and in that if I give Model.find(1) and if 1 is not in the database, it returns ActiveRecord error. Should it just be returning nil as in the case of Model.find_by_column('.....
Nuts asked 11/2, 2011 at 7:1

2

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I have the following developement section of my development.yml file: development: adapter: postgresql host: localhost database: testtb username: app_user password: ENV['APP_USER_POSTGRES_PAS...

2

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I created a new page on an existing controller. I added 2 action methods on the controller: prompt_user and process_feedback. So I get to the page via redirect_to :controller => :users, :ac...
Comradery asked 12/8, 2011 at 18:46

2

While working on Rails 2.3.18 to Rails 3.2.x migration I am facing name issue in type column Here is the relation that is defined. app/models/reservation.rb class Reservation end class Reservat...

6

I'm monkey-patching a Rails engine with something like: SomeClass.class_eval do # ... end The first time I hit the web site, on development mode at least, it works, but the second time it's lik...
Hippocrates asked 16/12, 2010 at 12:35

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I looked around and couldn't find any answers to this. All answers involved counts that did not use a GROUP BY. Background: I have a paginator that will take options for an ActiveRecord.find. It a...
Scutum asked 22/2, 2011 at 1:34

2

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I just upgraded my MacBook Pro to Mavericks and my local Ruby on Rails development environment isn't running straight off the bat, when I visit localhost I see It works! and remembered I needed to ...
Decisive asked 23/10, 2013 at 11:59

2

I am running an application on Rails 2.3.8. I am planning to upgrade it to Rails 4.0 (which is in RC). What will be the easiest way for me to do this? Do I need to first upgrade to Rails 3.x? Note...
Calyptrogen asked 17/6, 2013 at 6:13

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I recently started having to restart my development server every time I change my code. My development.rb file still has this line: config.cache_classes = false I tried using the debugger verify ...
Fruiter asked 11/10, 2011 at 0:35

1

I have a legacy Rails application which I want to upgrade to recent Rails and Ruby versions.To start with I am trying to setup the application with Ruby 2.1.2 $ rails -v Rails 2.3.18 $ ruby -v ru...
Lole asked 30/7, 2014 at 10:59

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I did a query in MySql but is working in Rails and mysql2 gem. Here is the information: http://sqlfiddle.com/#!2/9adb8/6 The query is working fine without problems and showing this result: UN...
Servant asked 11/4, 2014 at 5:22

5

I am trying to run bundle exec rake db:migrate then encountered the following error. bundle exec rake db:migrate --trace ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Exe...
Numbskull asked 12/3, 2013 at 23:21

5

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I've got a model which has a video attached with Paperclip. After it saves I use the saved video to generate a thumbnail. I need to do this after every save, even when a new video hasn't been uploa...
Friendship asked 13/7, 2011 at 15:20

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