ruby-on-rails-5 Questions

3

Solved

A migration I created in a Rails 5 application had 5.0 passed into a method: class CreateVariableKeys < ActiveRecord::Migration[5.0] ... end I would like to know what the [5.0] means.
Confirmed asked 9/2, 2016 at 21:6

5

Ruby version 2.2.4, Rails version 5.0.0.1. I'm getting stuck at a part of a tutorial where you test login with curl. I get an error ArgumentError (Before process_action callback: verify_authent...
Caldron asked 31/8, 2016 at 22:49

2

Solved

I can't seed my images using shrine, unlike carrierwave the below code doesn't work. Profile.create! id: 2, user_id: 2, brand: "The Revengers", location: "Azgaurd", phone_number: "send a ra...
Robespierre asked 13/11, 2017 at 9:41

4

Solved

I have a Rails 5 application using raven-ruby to send exceptions to Sentry which then sends alerts to our Slack. Raven.configure do |config| config.dsn = ENV['SENTRY_DSN'] config.environments = ...
Marmion asked 27/10, 2018 at 3:58

6

I've just updated my Rails app to 5.2, and configured it to use the new config/credentials.yml.enc file. When I try to deploy, I get this error: NameError: uninitialized constant Rails /Users/me/...

3

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I try to migrate my app from Rails 4 to Rails 5 Here is my migration: class AddRevealedIdsToUser < ActiveRecord::Migration[5.0] def change add_column :users, :revealed_ids, :text, default: []...
Perception asked 15/8, 2016 at 11:4

5

Solved

I am wondering how to test ActionCable channels. Let's say I have the following chat channel: class ChatChannel < ApplicationCable::Channel def subscribed current_user.increment!(:num_of_chats...
Joycelynjoye asked 5/2, 2016 at 15:29

3

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My problem seems like any other classic asset pipeline issues on heroku which are already asked, but none of the solutions worked for me. Question: How to solve this problem? Current Situat...
Pawnshop asked 20/9, 2018 at 8:52

2

Solved

When using ActiveStorage, how do you create a scope for when files are attached. For example: class Check < ActiveRecord::Base has_one_attached :image end I want something like Check.has_at...

2

Solved

I create a new heroku app using heroku create test-app3. Now if I want to push some code to this new test-app3, how do I do that? When I type heroku list in the terminal I get: My Apps test-app...

4

I am storing my secret key in environment and /config/environments/production.rb has config.require_master_key = true uncommented config.require_master_key = true When running RAILS_ENV=produc...
Aeroembolism asked 6/1, 2019 at 17:55

2

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I want a nested transaction to fail the parent transaction. Lets say I have the following model class Task < ApplicationRecord def change_status(status, performed_by) ActiveRecord::Base.transa...
Wormhole asked 18/12, 2019 at 20:2

7

I have a React client app that needs to talk to a Rails API. I want to use the rails-ujs method Rails.ajax. For example: Rails.ajax({ type: "POST", url: "/things", data: mydata, success: func...
Factitive asked 22/8, 2017 at 14:35

2

Solved

I have a Rails 4.2.0 application which sends lots of mails, it's a elearning platfrom. At the moment I have problems with bounces, Lots of the Mails coming back because the Mail-Adresses aren't va...

2

with a recent upgrade to rails 7.0.2 from rails 5.2, when ever i start a rails console or a rails server on dev mode i see these warnings /Users/opensource/.rvm/gems/ruby-2.7.4/gems/digest-3.1.0/li...
Heptateuch asked 4/4, 2022 at 7:51

5

In Rails 5, what is the difference between update and update_attributes methods. I'm seeing the following results for both the methods Returns true/false Checking for active record validation Cal...
Levkas asked 18/12, 2018 at 9:49

3

Is there any way to allow Rails strong params to permit different data types? For example, I'm using react-bootstrap-typeahead and redux-form to create a form that allows users to select from provi...
Detta asked 9/4, 2017 at 23:27

4

Solved

I'm on Fedora 30. I am trying to install "epel-release". I am following this guide: https://www.phusionpassenger.com/library/install/standalone/install/oss/el7/ -- I am unable to successfully run...
Disrepute asked 5/7, 2019 at 19:52

2

According to the Rails documentation, the method assert_emails allows to transform the syntax : assert_difference ->{ ActionMailer::Base.deliveries.size }, +1 do post :method_that_should_send_...
Aggri asked 14/2, 2017 at 10:49

2

Rails 5 offers parameter filtering, and I've specified config.filter_parameters += ["my_token"] in application.rb. Testing my app in dev (environment) mode, I see my_token is correctly filtered fr...
Hallvard asked 9/12, 2016 at 6:40

3

Solved

I am working with rails and have the bunch of schedule tasks running on sidekiq, and anyway I want to delete all of that tasks from schedule list. I was wonder whether is there any command with rai...

6

On installing Fontawesome via rails-asset.org, and following the default instructions, the fonts don't load correctly and all I see is boxes, indicating, the url's being generated to load the font ...
For asked 6/2, 2017 at 2:34

6

Solved

I am working with Rails 5 I aded new field username in model User. class Users::RegistrationsController < Devise::RegistrationsController before_action :configure_permitted_parameters prote...
Malnourished asked 20/5, 2016 at 8:40

3

I'm trying to deploy a rails app using Capistrano, but it fails because there's no manifest file. This is what I get when I run cap production deploy: 01 mkdir -p /home/deploy/list/releases/2017...
Spinthariscope asked 20/12, 2017 at 20:46

4

Solved

I am using mac 10.14. I have some problem with mini_racer gem. After run bundle install the below error occurs. I don't know how can I solve this. Error Installing mini_racer 0.2.0 with native e...
Lenitalenitive asked 10/9, 2018 at 19:35

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