ruby-on-rails-5 Questions
1
Solved
What is the difference between these two syntax:
ENV.fetch("MY_VAR")
ENV['MY_VAR']
I've seen Rails 5 use both versions of these in difference places and can't figure out what the difference is (...
Citreous asked 27/12, 2017 at 2:32
2
Solved
I'm trying to use Active Storage in Rails 5.2. I found that I should create field with type file in migration, but I have an error:
$ rdm
Running via Spring preloader in process 40193
== 201712171...
Seritaserjeant asked 18/12, 2017 at 4:52
1
Having the following mailer previewer code:
class RegistrationMailerPreview < ActionMailer::Preview
# Preview this email at http://localhost:3000/rails/mailers/registration_mailer/welcome
de...
Mamiemamma asked 15/9, 2016 at 15:36
2
Solved
I'm running Rails 5.1.4, and I have a model that looks like this:
class Quota < ActiveRecord::Base
belongs_to :domain, optional: true
belongs_to :project, optional: true
end
A quota should ...
Sororicide asked 11/12, 2017 at 23:35
0
Simple necessity, but clearly no easy way to do it with Simple Form.
I need to put a span before each radio input in a Rails form that uses Simple form. I've successfully added a span to a text in...
Stalder asked 11/12, 2017 at 18:6
3
Solved
I'm using Rails 5 with Rspec 3. How do I mock a class in my Rspec method? I have the following class
require 'rails_helper'
describe CryptoCurrencyService do
describe ".sell" do
it "basic_sel...
Nureyev asked 1/12, 2017 at 21:47
0
I am using PostgreSQL 9.5.10 on the Ubuntu machine. I need to write a SQL query to select data from JSONB column. But JSONB column contains the data in YAML format as string not in JSON format.
Da...
Peskoff asked 5/12, 2017 at 13:19
1
Solved
I'm using Rails 5 and trying to test a service using rspec. I created my "spec" directory per the instructions and placed my test file in there, which is
require 'app/services/crypto_currency_serv...
Parada asked 14/11, 2017 at 22:43
1
Solved
My homepage displays a list of posts and when I click a post, it open as a new page,
but I need to stay at the homepage and open post Show page as modal. Any idea how?
Thank you
Glazer asked 18/11, 2017 at 0:42
1
Solved
I'm writing an application that will primarily be accessed via API, but will also have views for editing via web app.
I would like to create a User model with authentication and authorization acro...
Knew asked 17/11, 2017 at 18:46
1
I am a newbie to Ruby on Rails.why is the update action of a RESTful route in Rails is mapped to two HTTP verbs i.e, PATCH and PUT?
PATCH /articles/:id(.:format) articles#update
PUT /articles/:i...
Ascus asked 17/11, 2017 at 9:29
3
I'm starting with Rails 5 and Action Cable and I would like to display a list of names of all connected registered users (something like facebook's green circle).
I managed to get the name of the ...
Chit asked 16/4, 2016 at 10:27
2
I have seen ActionCable.server.open_connections_statistics, ActionCable.server.connections.length, ActionCable.server.connections.map(&:statistics), ActionCable.server.connections.select(&:...
Felicidad asked 19/3, 2016 at 20:5
1
Solved
When generating a new migration using bin/rails g migration CreateUser the first line will look like this:
class CreateUser < ActiveRecord::Migration[5.1]
What does the [5.1] stand for ...
Kreisler asked 5/11, 2017 at 20:49
1
Solved
I'm trying to make an ajax call to a rails (5.1.3) app. I want the targeted action in the controller to render a status code 200 and do nothing else. Here's how the action looks like.
def some_de...
Orang asked 3/11, 2017 at 10:37
1
Solved
I'm running Rails 5.1.4 server (Puma v. 3.10.0 in single mode), but having an issue with a specific ActionJob that get's enqueued correctly but often never performed.
I have a handful of jobs. All...
Radiothorium asked 26/10, 2017 at 21:28
4
Solved
I know you can explicitly list fields like so,
json.(model, :field_one, :field_two, :field_three)
But is there anything similar to the following,
json.(model, except: :field_two)
which would ...
Cytology asked 11/7, 2016 at 20:20
2
Solved
RAILS 5.1
I have a RAILS application thats using PostgreSQL as database. I want to export/dump the RAILS database data from the RAILS perspective. So I'm independend from the database. Later then ...
Sihon asked 22/10, 2017 at 17:4
1
Solved
A report_template has_many report_template_columns, which each have a
name and an index attribute.
class ReportTemplateColumn < ApplicationRecord
belongs_to :report_template
validates :name,...
Pigment asked 20/10, 2017 at 11:59
1
Solved
I am trying to get https to work for my rails application. When i try to do any post related activity on the application i am getting the following error.
Exception `ActionController::InvalidAuthe...
Hid asked 17/10, 2017 at 15:5
3
Solved
How does one go about running code specifically after a console has loaded in Rails? All other answers and questions appear to revolve around running a hook at some point, but not necessarily after...
Cartesian asked 16/10, 2017 at 23:22
1
Solved
I've integrated the Shopify active_shipping gem into my site and I am trying to get negotiated rates from my UPS account (I can get regular rates). I can't find any documentation on the negotiated ...
Ambition asked 3/10, 2017 at 20:18
1
Solved
I have a form_with that calls a controller that responds in JSON. I would like to run javascript (handle errors, ...) during an event ajax:success or ajax:error.
I followed the Rails documentation...
Idaline asked 13/6, 2017 at 11:33
2
Solved
Basically, with the test config set up exactly how it worked in Rails 4 (delivery method set as test etc), aside from deprecated options which I have replaced, mail only sends with deliver_now, not...
Dumbarton asked 24/9, 2016 at 14:45
0
I have a template that displays a list of events
<tbody>
<%= render partial: 'event', collection: events, cached: true %>
</tbody>
The partial event:
<% cache event do %>...
Amandaamandi asked 3/10, 2017 at 20:52
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