ruby-on-rails-4.2 Questions
10
Solved
Rails 4 - Gem::LoadError: Specified 'mysql2' for database adapter, but the gem is not loaded
In my gemfile I have:
gem 'mysql2'
My database.yml is as follows:
default: &default
adapter: mysql2
database: <%= ENV['db_name'] %>
username: <%= ENV['db_user'] %>
password:...
Almandine asked 8/9, 2015 at 12:18
2
Let's say I wanted a greeting every time the Rails console comes up:
Scotts-MBP-4:ucode scott$ rails c
Loading development environment (Rails 4.2.1)
Hello there! I'm a custom greeting
2.1.5 :001 &...
Lithograph asked 16/4, 2015 at 21:54
2
Solved
I faced this issue while developing a feature.Lets say there is following code:
case 1:
module Person
module Employee
class Officer
def self.print_class(obj)
obj.is_a? Employee
end
end
end
...
Storfer asked 16/7, 2020 at 12:0
3
Solved
I'm trying to upgrade to Rails 4.2 from Rails 4.1.9 and when I attempt to run the console or the server i get the following error. Any thoughts? I thought the html-scanner gem was included with Act...
Gorgeous asked 15/1, 2015 at 19:3
9
Solved
After upgrading our team's rails application to 4.2, as the release note mentioned, the default ip rails server binds to is changed to localhost from 0.0.0.0.
We develop with Vagrant, and want the...
Sassan asked 23/2, 2015 at 7:2
1
I have a Ruby on Rails App hosted on AWS using Elastic-beanstalk which works with HTTP 1 now I want to use HTTP 2. Can someone suggest me the best approach
Foolery asked 9/9, 2017 at 18:7
3
I used paper_trail to tracking transnational changes when I migrated rails 3.2 to rails 4.2, have got below issue:
NoMethodError - undefined method `timestamp_sort_order' for
Semitone asked 30/7, 2015 at 6:51
1
I am facing an issue on docker container. Rails Application is running very slow(means pages taking too much time to load on the browsers).
Application details:
Rails Version: 4.2.0
Ruby version: 2...
Difficulty asked 29/8, 2019 at 11:19
3
I have a serious problem with strong parameters. Its working pretty well in my about 200 actions but in one it doesn't because I'm working very dynamic with the parameters there and I also cant cha...
Misnomer asked 28/5, 2015 at 14:36
4
Solved
I've detected weird behavior of rails. Please give me some advice!
For example I have a code like this:
def new
raise
end
I start rails server in development mode.
Hit refresh in browser and s...
Chukar asked 5/3, 2015 at 13:21
1
Solved
I have the following as part of an AR query:
.having('COUNT(foo.id) > bar.maxUsers')
This generates an error:
ActiveRecord::StatementInvalid:
PG::UndefinedColumn: ERROR: column bar.maxusers ...
Leifeste asked 23/8, 2018 at 21:40
7
Solved
I am using Rails 4.2 with Ruby 2.2 and rspec for testcases. I have set
Rails.env = 'test'
in both my spec_helper and rails_helper. Here is my database.yml file:
development:
adapter: postgres...
Petry asked 11/9, 2015 at 12:56
2
Environment
Rails 4.2.0
ruby-2.2.1 [ x86_64 ]
devise 3.4.1
rspec-core 3.2.2
rspec-rails 3.2.1
In my /spec/rails_helper.rb I have included Devise helpers for spec files tagged with type: :control...
Misogamy asked 8/4, 2015 at 8:28
1
When using a rails engine, overriding views is as easy as creating new views in the right folder. But when creating a multi-tenant rails app where all tenants reside in the same app (they don't use...
Deprecative asked 8/6, 2015 at 7:7
3
Migrating from has_secure_password to devise causes the following error in the console when interacting with user objects:
.rvm/gems/ruby-2.4.1/gems/devise-4.4.0/lib/devise/models/database_authent...
Vender asked 22/1, 2018 at 4:11
3
Solved
Referencing to Rails 4.2 add_foreign_key support:
# add a foreign key to `articles.author_id` referencing `authors.id`
add_foreign_key :articles, :authors
How to create a nullable foreign key ...
Underdog asked 21/12, 2014 at 12:34
5
Solved
I'm upgrading a Rails 4.1.8 app (also using rails-api ~> 0.3.1) to 4.2.0.rc2 and would like to retain the respond_with functionality. I've added responders to the Gemfile, but when I bin/rake spec,...
Indiaindiaman asked 10/12, 2014 at 23:15
2
Solved
I'm applying enum on the following attribute: transparency
The same attribute (with enum) is used in two different models: Category and Post
Is it possible to share the enum values between models...
Shelter asked 4/4, 2015 at 20:38
4
I have not found a solution to the problem, however someone did already ask about the same problem a few days ago - (Rails Server Keeps Exiting (SocketError))
After I start a rails server the syst...
Wingo asked 27/2, 2015 at 15:45
4
I'm confused about how to configure the DB in a Rails 4.2 app that uses Postgres and Heroku.
Following the advice in this Heroku guide, you'll get a config/database.yml like this:
default: &d...
Getup asked 13/2, 2015 at 20:6
5
I'm working on a Rails 4.2 app and have just added app/services/fetch_artists.rb to the structure. Inside this file, I have defined a class FetchArtists; end.
When trying to run rails r 'FetchArti...
Mcvay asked 30/9, 2015 at 18:37
2
Solved
Query on console
User.select('email','dob')
returns,
[#<User:0x000000084a9b08 id: nil, email: "[email protected]">,
Why am I getting id attributes in rails 4? How to get rid of thi...
Sophiasophie asked 28/10, 2015 at 12:27
3
Solved
When I'm in the root directory of my Rails app I can successfully execute rails server. However when I try to do rails console or rails c I get the following error.
[myrailsapp (master)]$ rails c
...
Anthroposophy asked 10/6, 2016 at 2:16
0
I'm fairly new to AREL, and have had trouble finding references to using Postgres JSONB with AREL.
How might I convert this SQL into an AREL statement?
SELECT
tag,
count(tag)
FROM
people p,
j...
Cytology asked 6/9, 2016 at 9:50
6
Solved
Error:
/Users/askar/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/mysql2-0.3.20/lib/mysql2.rb:31:in `require': dlopen(/Users/askar/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/extensions/x86_64-darw...
Rodroda asked 18/11, 2015 at 4:48
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