Can nginx be used as a reverse proxy for a backend websocket server?

We're working on a Ruby on Rails app that needs to take advantage of html5 websockets. At the moment, we ...

Can't authenticate user with postgresql on Linux Centos

PG 9.4 Centos 6.7 I successfully installed Postgres 9.4 on Centos. I am checking my authentication through pgAdmin. I can ...

activerecord

Protection for 'system' attributes in ActiveRecord new table

I use rails 4.1.6 and ruby 2.2.0 When I create a table without any columns like that: create_table "carts", force: ...

ruby

'Segmentation fault' when executing Enumerator#next in rails console

I am getting error when executing the following code in rails console: .to_enum.next Trace: (irb):1: Segmentation fault ruby 1.9.2p320 (2012-04-20 ...

paperclip

Paperclip multiple file upload

I have three model: class Project < ActiveRecord::Base attr_accessible :name has_many :tickets, dependent: :delete_all end class Ticket < ActiveRecord::Base belongs_to ...

devise

Create new user works with ruby 1.9.2 but fails with ruby 1.9.3

I am using Rails 3.2.8 and Devise 2.1.2 (latest) and am baffled as to why I can create a user ...

ruby

How to find documentation for ActiveRecord::Base.update?

What is the process of finding the documentation for a method in Ruby/Rails api Let's take method ActiveRecord::Base.update as an ...

forms

Rails standard date selector results in nil date values in model

I am sure this is really simple, but I'm missing something. This has always worked before. I'm using Mongoid on ...

mysql2

Symbol not found: _rb_cFixnum on Rails 5

ruby 2.4.1p111 (2017-03-22 revision 58053) An error occur when I try to use 'bundle exec rails console'. /hogehoge/vendor/bundle/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in `require': dlopen(/hogehoge/vendor/bundle/gems/mysql2-0.4.6/lib/mysql2/mysql2.bundle, ...

Mysql

Tag: ruby-on-rails