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IT Nursery > News > ruby-on-rails

ruby-on-rails

Programming, ruby-on-rails
IT Nursery

Ruby on Rails Callback, what is difference between :before_save and :before_create?

Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails ...
  • June 2, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

Rails select helper – Default selected value, how?

Here is a piece of code I’m using now: <%= f.select :project_id, @project_select %> How to modify it to make its default value ...
  • June 2, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

Change a Rails application to production

How can I change my Rails application to run in production mode? Is there a config file, environment.rb for example, to do that? ...
  • June 2, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

Repairing Postgresql after upgrading to OSX 10.7 Lion

I recently upgraded to OSX 10.7, at which point my rails installation completely borked when trying to connect to the psql server. When ...
  • June 2, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

execJs: ‘Could not find a JavaScript runtime’ but execjs AND therubyracer are in Gemfile

I’m getting this error: rake aborted! Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs, I have already spent more hours searching google then ...
  • June 2, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

How to redirect to previous page in Ruby On Rails?

I have a page that lists all of the projects that has sortable headers and pagination. path: /projects?order=asc&page=3&sort=code I choose to edit one ...
  • June 1, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

ActiveRecord OR query

How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries. Edit: OR method ...
  • June 1, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

What is the right way to override a setter method in Ruby on Rails?

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a “proper”https://stackoverflow.com/”correct”https://stackoverflow.com/”sure” way to override a ...
  • June 1, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

How to test if parameters exist in rails

I’m using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not ...
  • June 1, 2022
  • 0 Comments
Programming, ruby-on-rails
IT Nursery

config.assets.compile=true in Rails production, why not?

The default Rails app installed by rails new has config.assets.compile = false in production. And the ordinary way to do things is to ...
  • June 1, 2022
  • 0 Comments

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