Rails Best Practices

A collection of tips showing best practices programming on Ruby on Rails.

Overview

Python vs Ruby and Django vs. Rails

 

Architecture

Rails application architecture tips

 

Tools

LiveReload for Rails app (on gist.github.com)

 

Delayed jobs, Sidekiq, Resque, God

Send asynchronious emails with ActionMailer and Sidekiq

God + Resque, gist: https://gist.github.com/maxivak/05847dc7f558d5ef282e

 

Deployment

Deploy a Rails app with Capistrano 3  (Example on Github)

 

Testing

Run RSpec tests as a Rake task

Running Selenium tests with Ruby on Centos

Examples of RSpec tests with Capybara, Selenium, Headless

 

Create own Gems

Creating your own gems

ActiveAdmin

Custom controller actions in ActiveAdmin

 

Search

Solr search engine with Sunspot gem

 

Spree shop

 

Code examples

ActiveRecord, Models:

update_attribute, update_attributes and update_column

Get a list of IDs from database

How to pass multiple attributes to find_or_create_by

How to determine if a record was created or updated in after_save callback

 

Forms

custom submit button in simple_form for Bootstrap 3

Nested Models in one form using Formtastic and Cocoon gems

 

Sessions

Clear old sessions stored in database

Sessions do not work in Internet Explorer in Rails

Assets

Disable logging of asset pipeline messages

Using CDN with Rails assets

 

Mail

Send email to multiple recipients

 

Sitemap.xml

* http://maxivak.com/generate-sitemap-xml-for-rails-4-application/ (gist)

 

TinyMCE

TinyMCE 4 text editor + elFinder file manager

 

 

Misc

Loading “Seed” Data

attr_accessor vs attr_accessible

Link to download an image as attachment in Rails (send_file and remote files)

Cropping and resizing images using MiniMagick

Redirect from www to non-www version of site

Password protecting pages of Rails App

Custom slugs using gem Slugged

 

 

Countries, Cities

Select Tag with List of Countries

 

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Rails Best Practices