I'm trying to deploy a basic Ruby on Rails app, however when I run either "kamal setup" or "kamal deploy" I get the following error. INFO Cloning repo into build directory `/tmp/...

Error when I run bin/rails s in heroku logs --tail /usr/bin/env: ‘ruby’: No such file or directory. Here's the heroku logs --tail sequence: Starting process with command "bundle exec puma -C ...

I set up an old Ruby on Rails app running Ruby 2.6.6 and Rails 5.1.7 on my MacBook Pro M2. I used Rosetta to set up the whole app to run on x86_64. Everything went well with that approach, and I was ...

I was following this tutorial for deploying a Rails application to an EC2 instance using Capistrano: https://www.youtube.com/watch?v=YJzYmhxB8rE&t=318s I'm pretty sure I done all the necessary ...

I don't know why do I have to pass @players through Game.round in function start at the end of the code, otherwise about_extra_credit.rb:145:in round': undefined method each for nil:NilClass (...

What is wrong with it ? clean looks like that def method_with_keyword_arguments_with_mandatory_argument(one, two: 2, three: 3) [one, two, three] end def ...

I have an older mac running Mac OS Catalina 10.15. Installed ruby on rails 8.0.2 just fine, created a test app, confirmed it worked when I spun it up on the rails server (bin/rails server). I wanted ...

I have 3 models in Rails, Category (grandparent) has_many Domain (parents), which has_many Url (children). Here, users can create/edit Url but not the other two; Domain model is automatically created/...

I know that AdequateCryptoAddress.valid?(:ETH_address, 'ETH') resolves to true in the console, however, class User < ApplicationRecord attribute :ETH_address, :string validates :name, ...

So I got an application based on rails (7.0.8.3) Using bowerfile I've installed some additional js libs including jquery ui I've included a jquery-ui css styles into my application.css by sprockets ...

Webmock provides a suggested stub for a Rails controller action. I have not found proper syntax required for the return body. The request (abbreviated) intent = Stripe::PaymentIntent.create({ amount:...

A rails controller action prepares data for connecting to an external payment service authorisation = (purchase.to_d * 100).to_i @financial_transaction = FinancialTransaction.create(user_id: user.id ...

I am using noticed gem on rails to create a notification method to send notification to user when he is followed by another user but I am getting error.I used a video to setup noticed. and the ...

I'm having an issue with ActiveAdmin 3.3.0 in my Rails 8.0.2 application where DELETE actions are not working. When an admin user clicks the "Delete" link, the application performs a GET ...

I have array containg 5 integers from 1 to 6 for example. [1,2,3,5,6] I want to check if my array contain 3's for example if it contains [5,5,5] I am looking for a method of array like [5,1,5,2,5]....