I have a rails application that on Rails 5.1 had no troubles creating MySQL db schemas but fails to create after upgrading to Rails 5.2. It seems like with 5.2
I’m using mongoid gem ’mongoid’, ’~> 7.2.4’ (mongoDB 3.6) with rails (5) and I have a database with customer collections and bi
class UpdateBrowserLanguageInInsightsVisits < ActiveRecord::Migration[6.1] def change Insights::Visit.update_all("browser_language = Iso639[context[`br
I'm using Grover to render and download pdf copies of documents that are generated in my app and am having trouble applying css to it. When in grover's debug m
I'm new to ruby on rails. I installed ruby, sqlite3, node and yarn, run gem install rails and gem install sqlite3. when I run rails new <app_name>, I got
I'm having a trouble when I try to use Simple Form gem for upload video. I'm using ActiveStorage and local storage for this. My form looks like this: = simple_
I have a very large table Metrics with a primary integer key named id. The primary key is 32 bit integer and is about to overflow. My attempted solution to this
To get a single random record from the db, I'm currently doing: User.all.sample But when there are 100000+ users, it takes a few seconds to load them all, jus
I am using rails 5 and the form_with helper. My code works when using Form_for, but not Form_with. Is the :as parameter not valid with Form_with? View <%= f
The Rails 5 command rails g migration create_foo_bar_join_table generates the following migration: class CreateFooBarJoinTable < ActiveRecord::Migration[5.0]
I want a nested transaction to fail the parent transaction. Lets say I have the following model class Task < ApplicationRecord def change_status(status,
I have a React client app that needs to talk to a Rails API. I want to use the rails-ujs method Rails.ajax. For example: Rails.ajax({ type: "POST", url: "
I'm trying to export my database to CSV file and download it but it doesn't download. I have a form with 2 different actions, Export to CSV and Export to JSON I
I have a Rails 5 app and I am trying to import my Environment Variables in a yaml file, which I can then import in the environment.rb. My config/aws.yml looks a
I try to change the default column value from false to true. But when I run rake db:migrate VERSION=904984092840298 I got the following ERROR. StandardError: A
I am trying to cache the results of API calls. My application makes multiple calls with the same result and I would like it to use the cache to save time. When
I am storing my secret key in environment and /config/environments/production.rb has config.require_master_key = true uncommented config.require_master_key = t
There's a function called index_exists? in ActionRecord, but no foreign_key_exists? on Rails 4.2.7. So when I call remove_foreign_key :parties, :franchise_gr
I'm working with Rails 5 an I just have created a Media model using scaffold tool. rails g scaffold media name:string And I got different names and routes and