Tagged Questions

Ruby on Rails is an open source full-stack web application framework written in Ruby. It follows the popular MVC framework model and is known for its "convention over configuration" approach to application development.

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Rails + ActiveRecord - how to fetch word where column is not true?

I am running this application on Heroku, where is used PostgreSQL and I am trying something like this: Model.where('column.something = ? AND listings.status IS NOT ?', 'something', true) or ...
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is it possible to read validation rules when building form in rails?

i mean in rails, can i build form by reading validation rules. my user model: class User < ActiveRecord::Base validates :name, :email, :sex, ...
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undefined method `title' for nil:NilClass guides.rubyonrails.org/getting_started.html

I'm new to Rails and am working through the Ruby on Rails getting started tutorial. I'm getting an error on 5.7 Showing Posts that says 'undefined method title' for nil:NilClass'. Any assistance you ...
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Rails extremely slow on simple static render

I'm relatively new to Rails, but decided to develop my new project on this platform. I'm using new Rails 4 framework based on Ruby 2.0 and Unicorn as application server served through Nginx. After ...
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Is it possible to copy only not protected attributes from one model to another in ROR3?

I need to copy attributes from one model to another. So I'm explicitly setting them like this: user = current_user.attributes.slice("id", "name", "surname") user["user_id"] = user.delete("id") ...
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How would you use a regular expression in an activerecord scope

I hoping to use a regular expression in a scope. scope :smith, where(:full_name => /(smith)/) #names that include the word smith Is this possible I've been trying different approaches to ...
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Call child models from parent model using rails admin gem

I have one parent model and two child models. I am using rails admin gem in my rails app. I want to show that if user click on any specific member from parent model so gets the related both child ...
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setting ssh connection to match with gitlab

I am running GitLab on my local OSX, on localhost:3000. I have this configuration in /home/myhome for my ssh connection. Host mylocalhost Hostname localhost PORT 3000 User git IdentityFile ...
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1answer
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RSpec2 error codes testing

I have an issue with testing error codes. If a record is not found, it raises exception ActiveRecord::RecordNotFound. The thing is, I wanna check if 404 is returned. If I go ahead and just check : ...
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uninitialized constant SampleController::Delayed while executing delayed_job worker method

I am getting the following error while executing SampleController. uninitialized constant IdeasController::Delayed I have already started the delayed_job by using rake jobs:work. I have the ...
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How to use Community Engine as a base application?

Hi I'm a new rails developer, I would like to use the community engine http://www.communityengine.org/ as the base application, but I'm only able to add it as a gem in an existing rails application. ...
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Order activities by child attribute, polymorphic association in Rails

I have a polymorphic association for an activity feed. When a new 'article' or 'tweet' are created, this also creates the activity. I want to sort the activities by 'published_at' date, which both ...
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Trying to connect Google, but sometimes “Connection failed”

When I try to fetch contacts from Google, but sometimes when I click on the link to connect with Google API, I get an error page, where is written that Connection Failed or an Timeout Issue. When I ...
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Filtering an ActsAsTaggableOn belongs_to association

Using ActsAsTaggableOn I'd like to create a collection of TimeFrames that belong to an event that has been tagged with 'fun' However, I'm getting this error "SQLite3::SQLException: no such column: ...
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Fog gem to acces amazon s3

Overflowers! Im following along with Ryan Bates rails cast on uploading images to Amazon S3 using carrierwave and fog (pro episode: http://railscasts.com/episodes/383-uploading-to-amazon-s3) upon ...

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