ruby-on-rails-3 Archives - Page 3 of 4

Replace words in a string – Ruby

I have a string in Ruby: sentence = "My name is Robert" How can I replace any one word in this sentence easily ...

May 14, 2022
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How to run a single RSpec test?

I have the following file: /spec/controllers/groups_controller_spec.rb What command in terminal do I use to run just that spec and in what directory do ...

May 12, 2022
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Rails: How to run `rails generate scaffold` when the model already exists?

I’m new to Rails so my current project is in a weird state. One of the first things I generated was a “Movie” ...

May 11, 2022
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Separate REST JSON API server and client? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be ...

May 10, 2022
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How to empty a Heroku database

I’m working on a Ruby on Rails 3 webapp on Heroku. How do I empty the database? 18 Answers 18

May 10, 2022
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?

Sprockets tends to be quite verbose in the (dev) log by default under Ruby on Rails 3.1 (RC1): Started GET "/assets/application.css" for 127.0.0.1 ...

May 10, 2022
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No route matches “/users/sign_out” devise rails 3

I’ve installed devise on my app and applied the following in my application.html.erb file: <div id="user_nav"> <% if user_signed_in? %> Signed in as ...

May 8, 2022
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Adding a column to an existing table in a Rails migration

I have a Users model which needs an :email column (I forgot to add that column during the initial scaffold). I opened the ...

May 8, 2022
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Rails update_attributes without save?

Is there an alternative to update_attributes that does not save the record? So I could do something like: @car = Car.new(:make => 'GMC') ...

May 8, 2022
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How can I specify a local gem in my Gemfile?

I’d like Bundler to load a local gem. Is there an option for that? Or do I have to move the gem folder ...

May 7, 2022
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