As stated in the Rails API only :notice and :alert are by default applied as a flash hash value. If you need to set the :error value, you can do it like this: redirect_to show_path, flash: { error: “Insufficient rights!” }
Here’s a thought: The macro binds a flet function (rails-project:root) one time to the value that (rails-project:root) has just before the body executes. (That’s how it claims a performance increase: Apparently the outer (rails-project:root) is expensive, so calling once and caching the value seems like a good idea.) Unfortunately, if there is code inside the … Read more
As explained in mordaroso’s answer, there is a problem in Rake 0.9.0. You need to temporarily downgrade Rake in order to avoid it: run: gem uninstall rake -v 0.9 (add sudo unless you use rvm) add to your Gemfile: gem ‘rake’, ‘~> 0.8.7’ and then run: bundle update You can skip the first step, but … Read more
On a Debian based system the PostreSQL client programs are provided by postgresql-client-common as symbolic links to /usr/share/postgresql-common/pg_wrapper. If you install that package and attempt to use any of the PostgreSQL client programs like psql, pg_dump, pg_dumpall, and pg_restore, the pg_wrapper without having the version specific binary package installed, like postgresql-client-9.1 it will emit this … Read more
you can do this in your model # typical devise setup in User.rb devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable change it to: devise :database_authenticatable, :recoverable, :rememberable, :trackable, :validatable notice that the symbol :registerable was removed That’s it, nothing else is required. All routes and links to registration page are magically removed too.
change_column is a method of ActiveRecord::Migration, so you can’t call it like that in the console. If you want to add a default value for this column, create a new migration: rails g migration add_default_value_to_show_attribute Then in the migration created: # That’s the more generic way to change a column def up change_column :profiles, :show_attribute, … Read more
The following should work: at command line: rails new MYAPP -T # The -T option tells rails not to include Test::Unit in Gemfile: gem ‘rspec-rails’ at command line: bundle install rails g rspec:install
Any of these should work: gem ‘rails’, :git => ‘git://github.com/rails/rails.git’, :ref => ‘4aded’ gem ‘rails’, :git => ‘git://github.com/rails/rails.git’, :branch => ‘2-3-stable’ gem ‘rails’, :git => ‘git://github.com/rails/rails.git’, :tag => ‘v2.3.5’ Source: How to install gems from git repositories
use -n parameter to install like for cocoapods: sudo gem install cocoapods -n /usr/local/bin
Sometimes, you want to use different names for different associations. If the name you want to use for an association on the model isn’t the same as the assocation on the :through model, you can use :source to specify it. I don’t think the above paragraph is much clearer than the one in the docs, … Read more