EDIT: Additional info and condensed question near the bottom ;) I'm setting up integration between a small app I'm making and an identity provider using SAML2.0. In general, I've been following ...

I have a Rails 5.0.4 app and I'm trying to get js source maps so I have upgraded sprockets to 4.0.0-beta5 (latest) I have upgraded sprockets-rails to 3.2.1 (latest). I have created app/assets/con...

In the OpenProject application we have two models: CustomField class CustomField < ActiveRecord::Base has_many :custom_options, -> { order(position: :asc) }, dependent: :delete_all accep...

I have rails background and i'm working to implement something like as shown in the image My email template will have such tags. While sending the email to the client, his information will get fil...

I have been trying to fix this problem for almost days now. I am trying to run my ruby on rails site in production mode, but (some of) the assets cannot be served. The images are located in a cust...

We migrated our app from Rails 4 to Rails 5. We run it inside Docker. On our host system we of course have the git binaries, but not inside Docker. Running Puma inside Docker will give this error m...

I know that to set the Cache-Control header in my own controllers I can call #expires_now, but my Rails app uses an engine (apitome), and on those requests, the Cache-Control header gets set to max...

I am trying to precompile all of my assets for production. When I run RAILS_ENV=production bundle exec rake assets:precompile not all of my assets are precompiling. I have tried to use the methods ...

I updated my Ruby on Rails app to Ruby on Rails 5.1.4. When I run my tests, every test returns the following error: An error occurred while loading {path to specific spec file} Failure/Error...

With Active Record, we can access a value like method access user = User.find(1) user.name #=> 'John' or hash access user[:name] #=> 'John' I just wonder when to use which, or is the...

Rails has introduced this throw(:abort) syntax, but now how do I get meaningful destroy errors ? For validation errors one would do if not user.save # => user.errors has information if not u...

I've been trying to get my head around action cable for what seems like months. Please help. I have a "Connection" - I can't set the identified_by :current_user because this endpoint also needs to...

I'm using Rails 5 and PostgreSQL 9.5. How do I create a unique index within my table? I want to create the unique index out of two columns, which are themselves references to other tables. So I tri...

I'm running into a strange issue. undefined method `values' for #<ActionController::Parameters:0x007fb06f6b2728> is the error I get, when I assign a variable to a param hash, and try to ge...

I tried create new model which has auto type casting without table in database. I've tried to inherit from ActiveRecord::Base it's thrown exception ActiveRecord::StatementInvalid: PG::UndefinedTabl...

I am trying to migrate Rails 4.2 application to Rails 5.1. In rails 4.2 we heavily used JQuery. At the moment I am struggling to make the forms, with remote: true attribute work properly. As an exa...

I have 3 models: member, team, and team_enrollment. The structure is as follows: class Member < ApplicationRecord has_many :team_enrollments has_many :teams, -> {order 'team_enrollments.t...

This is a Ruby non-web project that uses ActiveRecord to talk to the database. There is a single file which contains the db connection code, migration, and model. See here (but it's not necessary ...

I'm using Rails 5. I want to parse an .xls (not to be confused with .xlsx doc) using the code below book = Roo::Spreadsheet.open(file_location) sheet = book.sheet(0) text = sheet.to_csv csv = ...

I have a model named Product. I provided a full text search to search products and producing a type-ahead on the client side using AngularJS. The search query was a normal like query as : select *...

I have just upgraded to Rails 5. In my specs I have the following expect(model).to receive(:update).with(foo: 'bar') But, since params no longer extends Hash but is now ActionController::Paramete...

I'm trying to figure out how to use the --webpack method for a very simple Rails 5.1 app. I'm trying to use it for managing both JS as well as CSS (scss, specifically). This is so insanely frustr...

I have an encrypted type in my model attribute :name, :encrypted Which is class EncryptedType < ActiveRecord::Type::Text And implements #serialize, #deserialize, and #changed_in_place?. ...

I use Rails 5.1 + webpack When I include jQuery to my project with plugins: [ new webpack.ProvidePlugin({ 'jQuery': 'jquery', '$': 'jquery', 'global.jQuery': 'jquery' }) ] And try to us...

I have an android app with Google sign-in. As per the documentation, I generated a token ID: // Configure Google Sign-In with the requestIdToken GoogleSignInOptions googleSignInOptions = new Goog...