Keep in mind that the name you give to your strong parameters (employees, employee_ids, etc.) is largely irrelevant because it depends on the name you choose to submit. Strong parameters work no “magic” based upon naming conventions. The reason https://gist.github.com/leemcalilly/a71981da605187d46d96 is throwing an “Unpermitted parameter” error on ’employee_ids’ is because it is expecting an array … Read more
You can use a lambda for the if: clause and do an or condition. validates :description, presence: true, if: -> {current_step == steps.first || require_validation}
No not necessary. You can do Assuming TableName is user rails g migration AddColumnsToUser col1:integer col2:integer .. etc.
In my case, this error “Specified ‘sqlite3’ for database adapter, but the gem is not loaded. Add gem ‘sqlite3’ to your Gemfile.” message showed up, when I ran rails server right after I generated a fresh rails app. It was with Rails version 4.1.16 (Ruby version 2.3.1) gem ‘sqlite3’, ‘~> 1.3.0’ This line in Gemfile … Read more
Ok, found the issue… @stoodfarback was pretty close, but I thought the cause of the issue needed to be mentioned for others who might encounter the same thing. Basically I am using a newer version of Capistrano (3.3.5) than I have used in the past and it (by default) adds ‘bin’ to the list of … Read more
You can do the following: Contact.where(survey_id: survey,voter_id: voter).first_or_create
The only situation I have encountered where permitting arbitrary keys in a nested params hash seems reasonable to me is when writing to a serialized column. I’ve managed to handle it like this: class Post serialize :options, JSON end class PostsController < ApplicationController … def post_params all_options = params.require(:post)[:options].try(:permit!) params.require(:post).permit(:title).merge(:options => all_options) end end try … Read more
I just now (June 13 2013)got this answer from Heroku devs whose support guided me across the barriers. This is how I got my css display from localhost working in my Heroku app. “All you need to do is turn on asset serving in production and set the logger to stdout to get Rails4 to … Read more
After installing a gem via the command line in a ruby version you have to execute rbenv rehash as described in the docs here and here For example: $ rbenv install 2.2.0 $ gem install bundler $ rbenv rehash $ gem install rails $ rbenv rehash
I had the same problem and found a solution. Full credit goes to Eric Minkel, who wrote a detailed blog post on the topic. I would highly suggest reading it for further reasoning. Edit app/assets/stylesheets/application.css by adding: *= require bootstrap Edit app/assets/javascripts/application.js by adding: //= require bootstrap In config/application.rb, add the following after class Application … Read more