Ruby on Rails Community Forum

I am using PRAWNS gem and i need to know how to generate pdf using prawns in a rails project

I have an edit user page that has multiple cards on it. I have each card wrapped in its own turbo frame tag with a unique id. On the update action in my controller if I just redirect_to @user the s...

Hi! response for the new userundefined method `last_read_at' for nil:NilClass for Chatrooms#show how to solve?

I'm currently having an issue when I create posts, I always seem to get undefined method "username" or "email", but when using current_user.username or current_user.email it will display just fine....

After deploying sidekiq to heroku, everything works properly except when I try to run a job I get this error Redis::CommandError: ERR invalid password

I've been setting up Devise Confirmable for my development environment Rails 5.1.7 app. My initializers/devise.rb looks like: Devise.setup do |config| require 'devise/orm/active_record'...

Chris, great episode!I'm really interested in learning more about turbolinks 5 and creating hybrid apps. I would love to see more, even the more basic/beginner stuff.Thanks!

It took me a couple of days to find this answer: https://dev.to/nikz/multiple-output-files-with-cssbundling-rails-and-tailwind-3b4k A Tutorial here might help.

I would really appreciate some insight to how you could let a user select from pre-definied variables in a dropdown and insert them into a text area; some people have mentioned saving a liquid and ...

I get error when deploy to heroku Here is the log file: -----> Building on the Heroku-20 stack -----> Determining which buildpack to use for this app ! Warning: Multiple default buildpa...

Hi guys! So i am totally lost with something: I need a class that creates a pseudo xml output (only nodes). This class has a builder method (a class level method) which receives a block, and accord...

I'm currently trying to deploy my rails 6 application to Heroku. I'm not sure where the error is coming from since the styles work well on development but break when pushing to production. ...

Rails 5, Ruby 2.7. I'm getting the dreaded error "Can't verify CSRF token authenticity." and I'm being logged out and my tokens don't seem to match. This is happening on a new development machine (...

Hi Chris, I tried to leave a comment for episode #389 but was not successful. Not sure why. Anyway, I'm developing in Apple M1 and trying to dockerize a Rails 6 application, but running into a lot...

Seller can perform CRUD on his/her listing(product i.e laptop) Seller can upload multiple product images.

Hi, I'm using Jumpstart Pro with Rails 7 and feel very confused as to what's happening with my JavaScript functions. I have a Lessons view in which various buttons are used to play audio, switch ...

Hey Guys, I deployed my app to Heroku but I am getting the "We're sorry, but something went wrong. " so I ran heroku logs and this is what I got: ``` 2019-11-07T18:45:20.355498+00:00 app[web.1]:...

I am trying to install ruby using "asdf" and while installation i got this error. -------------------------------------------------------------------------------------------------------- BUILD FA...

Hey Chris, this looks like a great addition to rails and thanks for adding the turbo stream support! I'm working on an infinite scroll where at the end of the page a stimulus controller gets the n...

Hi, everyone. This is my first post here. I'm taking over an existing Rails 6 project that is in production (and that I haven't worked on before). There's a lot to think about :-) Has anyone compil...