By Saurabh Bhatia

Build uncomplicated to complex purposes in Rails four via 10 intriguing projects

About This Book

  • Build fascinating program situations with Rails 4
  • Upgrade your wisdom for the most recent alterations within the Rails framework
  • Follow the project-based method of development functions from easy to complicated ability levels

Who This e-book Is For

If you're a developer who's already accustomed to the fundamentals of the Rails framework and feature formerly labored with Rails 3.2 or past, then this can be the right publication for you. it truly is assumed that you've a few earlier event with the improvement of purposes. This ebook can help you to improve your current wisdom and in addition be sure its applicability. you'll be anticipated to setup Rails, MySQL / PostgreSQL, Mongodb and required dependencies themselves.

What you are going to Learn

  • Learn approximately new syntaxes and semantics brought in Rails four and their functional usage
  • Discover new how you can use the parts and gemstones from prior models of Rails
  • Set up full-text seek, never-ending scroll, and modal boxes
  • Create mountable engines and make the code reusable
  • Make a number of APIs (such as Google Maps and Twitter) paintings with every one other
  • Create API-only functions to function a backend for cellular applications
  • Understand the fundamentals of the hot checking out framework in Rails 4
  • Create a video sharing web site utilizing Rails four besides HTML5 and CSS3 concepts

In Detail

Rails is a speedily relocating, open resource, internet improvement framework, and maintaining to hurry with it's a immense activity. you've already outfitted purposes utilizing it, yet there were major adjustments within the syntax and semantic of the Rails framework within the most recent upgrade.

Rails four software improvement Hotshot exhibits you the way to construct the most well-liked kinds of functions utilizing Rails four, and highlights new how you can do issues. The e-book additionally heavily follows many of the top practices, gemstones, and renowned options already recognized to the neighborhood, and tracks the adjustments in those. This ebook brings new rules to refactor and restructure code to make it practice greater in creation, and lets you write production-ready code.

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Zero. 2) utilizing builder (3. 1. four) utilizing erubis (2. 7. zero) utilizing rack (1. five. 2) utilizing rack-test (0. 6. 2) utilizing actionpack (4. zero. 2) utilizing mime-types (1. 25. 1) utilizing polyglot (0. three. three) utilizing treetop (1. four. 15) utilizing mail (2. five. four) utilizing actionmailer (4. zero. 2) utilizing activemodel (4. zero. 2) utilizing activerecord-deprecated_finders (1. zero. three) utilizing arel (4. zero. 1) utilizing activerecord (4. zero. 2) utilizing bundler (1. three. five) utilizing thor (0. 18. 1) utilizing railties (4. zero. 2) utilizing hike (1. 2. three) utilizing tilt (1. four. 1) utilizing sprockets (2. 10. 1) utilizing sprockets-rails (2. zero. 1) utilizing rails (4. zero. 2) utilizing ecom (0. zero. 1) from resource at /home/rwub/rails4-book/book/6294OS_Chapter_10/ecom ecom at /home/rwub/rails4-book/book/6294OS_Chapter_10/ecom didn't have a sound gemspec. This prevents bundler from fitting boxes or local extensions, yet that will not impact its performance. The validation message from Rubygems was once: "FIXME" or "TODO" isn't an writer Your package is whole! Use `bundle exhibit [gemname]` to work out the place a bundled gem is put in. As now we have skipped ActiveRecord, we want an ORM, so, we'll upload Mongoid to our Gemfile and package install:Gemfile gem 'mongoid', github: 'mongoid/mongoid' ecom$ package deal set up we won't run mongoid:config within the Rails engine; we'll do that after this engine is put in in an program. with the intention to use mongoid to generate our versions, we have to upload it as a module dependency in our Rails binary. at present, it appears like the subsequent code:bin/rails #! /usr/bin/env ruby # This command will instantly be run should you run "rails" with Rails four gem stones put in from the foundation of your program. ENGINE_ROOT = dossier. expand_path('.. /.. ', __FILE__) ENGINE_PATH = dossier. expand_path('.. /.. /lib/ecom/engine', __FILE__) # manage gemstones indexed within the Gemfile. ENV['BUNDLE_GEMFILE'] ||= dossier. expand_path('.. /.. /Gemfile', __FILE__) require 'bundler/setup' if dossier. exist? (ENV['BUNDLE_GEMFILE']) require "rails/all" require 'rails/engine/commands' we are going to regulate "rails/all" to load all of the modules individually and particularly load mongoid. we are going to additionally load rubygems from the gemspec dossier at once onto the bin/rails dossier. bin/rails #! /usr/bin/env ruby # This command will immediately be run in the event you run "rails" with Rails four gemstones put in from the basis of your software. ENGINE_ROOT = dossier. expand_path('.. /.. ', __FILE__) ENGINE_PATH = dossier. expand_path('.. /.. /lib/ecom/engine', __FILE__) # manage gemstones indexed within the Gemfile. ENV['BUNDLE_GEMFILE'] ||= dossier. expand_path('.. /.. /Gemfile', __FILE__) require 'rubygems' require 'bundler/setup' if dossier. exist? (ENV['BUNDLE_GEMFILE']) require "action_controller/railtie" require "action_mailer/railtie" require "sprockets/railtie" require "rails/test_unit/railtie" require 'rails/engine/commands' require "mongoid" In Rails four, active_resource/railties isn't really required, so we'll need to ensure the following line isn't included:require "active_resource/railtie" we are going to additionally upload mongoid as a dependency in our gemspec dossier: ecom/ecom. gemspec s. add_dependency "rails", "~> four. 1. zero. rc1" s.

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