Category: Ruby

What role to instance variables play in a Rails API? I am building a backend API in Ruby on Rails and I am following Michael Hartl’s RoR tutorial. He makes use of instance variables in RoR’s …

I’m trying to make Podcast pages. On the index page, I want to display the latest podcast at the top, next three podcasts in the middle, and rest of all at the bottom of the page For example, I have …

I’ve been working on an app and I installed friendly_id version 5.3 and everything was working. However, recently working on the app I’ve found friendly_id not working at all on anything it’s been …

I am new to regex and looked into the possible matching expression. But I can’t able to find the thing I needed. What I want is remove the word that matches certain expression. The expression is to …

<% @links.each do |link| %>

<%= link_to 'Plz', songs_path, method: :current_user.save_link(link), data: {confirm: "Are you sure?"} %>

…

thank you for taking the time to read this. I’m extremely new to this, and am currently following a textbook for learning Rails, so apologies if I’m slow to pick up instruction. I’m currently on …

I am getting an error when trying to edit an employee. The full error message is: ActiveRecord::RecordNotFound in EmployeesController#edit Couldn’t find Company with ‘id’=5 (*this varies depending …

I’m currently sorting an array of arrays (of numbers) in Ruby with this code: grapes_sorted = vintages_grapes.group_by(&:itself).sort_by do |k, v| -v.size end.map(&:first) It works very …

I’ve got a Ruby on Rails application using Ruby 2.6.5 (rbenv) and Rails 5.2 I’ve created installation scripts to provision an EC2 instance and deploy the application to the instance. It works …

I have few items in my_list: @my_list = { “all”: [ “prd02”, “stg01”, “prd01”, “stg02” ], “prd”: [ “prd02”, “prd01” ], “stg”: [ “stg02”, “stg01” …