Questions tagged as 'ruby-on-rails'

Tagged questions
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Use STI with Devise

I'm using (or trying to use) STI with Devise . I have the User model (I added the type attribute), which I want to be the devise model and two models that inherit from user. I chose this approach and not just roles because the model...
asked by 04.09.2018 / 03:12
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RubyMine Configuration Autocomplete

Hello I need to configure my IDE so that autocomplete functions are effective. When I ask for user input for example, IDE does not provide similar functions to complete, it only suggests variables already in the code. EX:    = begin...
asked by 30.08.2018 / 19:59
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Understanding optional: true in one-to-many relationship in Rails 5

It has a one-to-many relationship and I can only create a child object if you use optional: true. I know it solves but I do not understand the need! In my seeds.rb I have a block of type 3.times do |n| Parent.last.children.create!( na...
asked by 05.08.2018 / 04:44
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Problem with require in Ruby

I am studying for the book "Ruby learn to program in the most amusing Language" of the author "Lucas Souza" editor "House of the code". In my requirements file when I try to run the following error: Traceback (most recent call last): 6:...
asked by 01.08.2018 / 22:16
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Error creating database in postgres using Ruby On Rails on windows 7

When you run the command on the terminal to create the Rails project database in Postgres: $ rails db:create I get this bug that I can not resolve for some time: rails aborted! LoadError: cannot load such file -- 2.5/pg_ext Caused by: L...
asked by 09.08.2018 / 19:01
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Autocomplete of gems in text editor

Personal is it possible to get an autocomplete experience in some free text editor, similar to what Rubymine does by indexing the gems code? I tried several alternatives in vscode, how to use cTag, but I can only go to the definition of gem (ope...
asked by 30.07.2018 / 16:57
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Two tables of "type / name" Category

My question is about how the convention of creating the database would be, in my case I have a "Service" table that connects to a "Category" table. Now I need to create a "Product" table that will also connect to a "Category" table. The tw...
asked by 01.08.2018 / 16:10
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How to broadcast an FM radio on my site?

A customer wants a system for their radio where their program will be broadcast, similar to this one . I've never done anything like this and would like to know how I put this player on the site. I develop using Rails. I researched but could no...
asked by 09.07.2018 / 21:48
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set shell user to call script in rails

I need to call a shell script from rails, with a specific shell user. Example: update_response = '#{deploy_dir}/./update.sh' By default my system is using root. I would like to know, given this example, if you have how to specify the...
asked by 03.07.2018 / 15:35
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Heroku Rails 4 assets do not load

After I deploy these files below are not being loaded. Thisismydirectory Thisismyapplication.rb Heretheyarebeingcalled<%=stylesheet_link_tag"home" %> <%= javascript_include_tag "home" %> <img class="client" src="<%= asset_...
asked by 28.06.2018 / 19:22