In my rails application I have `categories` which are classified based on location. I want to cache these categories on serializer level by using `jsonapi-serializer`'s caching method `cache_option...

PG::UndefinedTable: ERROR: relation "commentables" does not exist when rake db:migrate

I have a function in my app that emails out a PDF of any invoice as an attachment. Everything works fine if its run in production on the web worker. Of course this bogs the app down and I want to...

Hey everyone, I'm using a Railsbytes script to install bootstrap 5 alpha; https://railsbytes.com/public/templates/VB0s5v. However, I can't get any of the tooltips and popovers to work. Not sure ...

Is there a way to detect users leaving a page and alerting them in rails or would it be better to use jquery? Thank you!

I am looking for the best way to build a clean, simple, & reactive interface to visualize data in a postgres database. Do you have any recommendations on tutorials/gems that I can follow or loo...

I'm wondering about the best way to approach scheduled notifications. Having users who set their timezone and pick the best time to receive a regular notification (can be daily or less often), I c...

How do i reduce video size while uploading using active storage Rails 5.2.4.3

I have a view (show) that display's an Article. The Article has several Author[s]. The Article and Author models look like this: Associations: ``` Article Model has_many author_articles has_many a...

I'm new to rails 6, webpack, etc It's working for me in my app and jquery is loaded (thanks for the intro @Chris) However - although jquery works correctly in all my loaded js, I can't use it to e...

Hi there 👋 I need users to be able to edit email templates, something like: `Hello {{ first_name }},` Please advice, thanks 👍

I am using devise gem for authenticating users. I modified it a bit to let users signup using a mobile number instead of email id. Which now works as expected. What I want to do next is inviting us...

Let's say I have an attribute :year_of_birth for example and another field :age (readonly), I fill in the year_of_birth. And I make a method in a model to calculate the age, how does the age get po...

Hi everyone. I am currently trying to order some ActiveRecord records by score. In my controller i have: ```ruby def index @pagy, @drivers = pagy( Driver.select( 'drivers.*...

Hey there, I'm using nested attributes to generate a bunch of records at once. I'm coding a tool that crawls IP and Website Informations. The nested attributes are set up like this: -Company --h...

I was able to intergrate sweetAlert properly(*not using the gem but by including the files manually in vendor *)and overiding the rails defaults as follows in the application.js file=> ``` $....

Hi, I'm trying to create an account from a popup form. But I get the first argument in form cannot contain nil or be empty. What am I doing wrong? class AccountsController < ApplicationCon...

Hi, Was following your tutorial for capistrano but did not see any webpacker in there :(. Right now I am having a problem that cap seems to be finding my old node version before I installed nvm...

Hi, We have a rails app with sidekiq in an Ubuntu 18.04 machine hosted in AWS. We've recently started to run out of space in our disk. I've then noticed that we have a huge /var/log/syslog file, ...

I work with Rails remote form. After set the session like session[:user_id] = 123, the session is still blank {}. After I refreshed page, I got the user_id value. How can I access those session wit...