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rails

A 16-post collection

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Rolify gem (user.add_role :admin ArgumentError: Unknown key: :optional)

Maybe you tried to add a role using rolify, like below: $ user = User.find(1) $ user.add_role :admin Then you got an error like: ArgumentError: »

Victor Velazquez Victor Velazquez on rails, gems, issues, Ruby 23 September 2016

Undefined local variable or method 'rolify'

If you are using rolify gem maybe you added rolify to your Gemfile like this this: source 'https://rubygems.org' gem 'rolify', '~> 5.1. »

Victor Velazquez Victor Velazquez on rails, Ruby, gems, issues 23 September 2016

How to generate a model without creating a migration

For example, you have already created a migration for ProductCategory Then you type: $ rails generate model ProductCategory you will see something like: invoke active_record conflict »

Victor Velazquez Victor Velazquez on rails, activerecord 15 September 2016

Nokogiri: Failed to build gem native extension.

Maybe you try to setup a project: $ bundle install If you get this error trying to install nokogiri gem Installing nokogiri 1.6.8 with native »

Victor Velazquez Victor Velazquez on rails, install, gems, issues 13 September 2016

Rails db migration, undefined method `to_sym', can't figure out syntax

Maybe you are trying to do a migration like this: class AddTestingMigratoToBlog < ActiveRecord::Migration def change change_table :testing do |t| t.change :name, limit: »

Victor Velazquez Victor Velazquez on rails, activerecord 11 September 2016
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