I have a Rails API with ActiveAdmin, using this tutorial as a base to get started: https://blog.heroku.com/a-rock-solid-modern-web-stack When a user chooses the 'Forgot your password?' link in the...

Need to know how can one reduce ruby on rails maintenance cost.

Hi, im new to RoR and I have a working system that is sending invoices via email. But I would like to exclude trial subscribers from getting the $0 invoice in their email. Payments being handled wi...

Hello, I am using the Ruby version 2.7.2 and while installing rails I got these error - ERROR: Failed to build gem native extension. So, please can anyone help me. Thank you, Neha

I am making an article section in my Rails app. For this reason I thought Active Text would be a good idea. I have added it as per the Rails Guides as per https://guides.rubyonrails.org/action_text...

I've got a password reset form setup that is not displaying any errors at all and it's killing me. If I input a password (but no confirmation) -- I expect to see 2 errors. Those 2 errors are in t...

I have a Rails application with React in the front end and deployed in Heroku. I am trying to send a file from the server to the browser side. I did saw the Rails "send_file" but it makes use of R...

(newbe) Am I missing something very basic, what does it take for me to send a simple email with 'hello' to my personal inbox in ruby (or Rails) in php it's this simple : mail("someone@example.com",...

I have models for _Curriculums_, _Chapters_ and _Lessons_, and would like to track _Progress_ for the user. _Curriculum_ -> has_many :chapters _Chapter_ -> has_many :lessons, belongs_to :cu...

Background : I started learning ruby & rails back in 2016. Built a fairly decent project as a self-learning project. Got busy with other stuff and didn't touch ruby or rails until this Decembe...

Whenever i run this command gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 \ 7D2BAF1CF37B13E2069D6956105BD0E739499BDB It shows an error: gpg: keyserver re...

I do not have a clear idea between the controller and the views. Also I dont have the Idea for the def show etc in controllers. Please reply me ASAP.

I am new at rails and just complete Chris tutorial in gorails.com => schedule_tweets. But I could not send any tweet , I did the UTC modification for america/brasilia, when I make a schedule twe...

I'm using wicked_pdf gem for rendering show template view with PDF format. But, unfortunately, awesome fonts were not shown but blank space. Is any solution for this? Thank you in advance.

In my create method I have the following: respond_to do |format| if @purchase_agreement.save format.html { redirect_to admin_purchase_agreements_path, notice: 'Purchase agreement was succes...

how to address this:92:depot tesfaye$ rails server => Booting Puma => Rails 6.1.1 application starting in development => Run `bin/rails server --help` for more startup options Exiting /Us...

Hi, I want to validate my image upload field by making a user upload only a square image (i.e 200px x 200px). I'm basically wanting square image dimentions so it will resize and nicely and not loo...

I am using Rails 6.1.1 with webpacker and Shrine. The issue I am coming across is using the default URL plugin with webpacker based assets. When I use it in development it seems to load just fine b...

i cant make work user.signed_id, it raises a no_method_error: irb(main):010:0> user.signed_id Traceback (most recent call last): 2: from (irb):9 1: from (irb):10:in `rescue in i...

I need to install `gem install rails -v 6.1.1` but I receive the error `OpenSSl is not available. Install OpenSSL and rebuild Ruby (preferred) or use non-HTTPS sources` and I've updated OpenSSL to ...