Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
What's new in Rails 4.1
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Lauro Caetano
January 28, 2014
Programming
0
100
What's new in Rails 4.1
Lauro Caetano
January 28, 2014
Tweet
Share
More Decks by Lauro Caetano
See All by Lauro Caetano
Learning Elixir by Examples
laurocaetano
1
230
Garbage Collection em Ruby
laurocaetano
2
130
Clojure Introduction.
laurocaetano
1
76
Other Decks in Programming
See All in Programming
React 19でつくる「気持ちいいUI」- 楽観的UIのすすめ
himorishige
11
7.5k
Fluid Templating in TYPO3 14
s2b
0
130
SourceGeneratorのススメ
htkym
0
200
AIで開発はどれくらい加速したのか?AIエージェントによるコード生成を、現場の評価と研究開発の評価の両面からdeep diveしてみる
daisuketakeda
1
2.5k
要求定義・仕様記述・設計・検証の手引き - 理論から学ぶ明確で統一された成果物定義
orgachem
PRO
1
220
それ、本当に安全? ファイルアップロードで見落としがちなセキュリティリスクと対策
penpeen
7
4k
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
momok47
0
200
Unicodeどうしてる? PHPから見たUnicode対応と他言語での対応についてのお伺い
youkidearitai
PRO
1
2.6k
フロントエンド開発の勘所 -複数事業を経験して見えた判断軸の違い-
heimusu
7
2.8k
20260127_試行錯誤の結晶を1冊に。著者が解説 先輩データサイエンティストからの指南書 / author's_commentary_ds_instructions_guide
nash_efp
1
990
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
610
KIKI_MBSD Cybersecurity Challenges 2025
ikema
0
1.3k
Featured
See All Featured
Code Review Best Practice
trishagee
74
20k
Odyssey Design
rkendrick25
PRO
1
500
How to audit for AI Accessibility on your Front & Back End
davetheseo
0
180
For a Future-Friendly Web
brad_frost
182
10k
Introduction to Domain-Driven Design and Collaborative software design
baasie
1
590
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.3k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
34k
4 Signs Your Business is Dying
shpigford
187
22k
The Language of Interfaces
destraynor
162
26k
Measuring Dark Social's Impact On Conversion and Attribution
stephenakadiri
1
130
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
120
How to Talk to Developers About Accessibility
jct
2
140
Transcript
What’s new in Rails 4.1 Lauro Caetano 28/01/2014
Major Features
Spring
! # bundle exec spec spec/models/book_spec.rb! # 15.30s user 1.63s
system 99% cpu 16.976 total! 12 examples, 0 failures ! ! # bin/spring rspec spec/models/book_spec.rb! # 1.01s user 0.10s system 17% cpu 6.453 total! 12 examples, 0 failures
config/secrets.yml
# config/secrets.yml! development:! secret_key_base: 3b7cd727ee24e8444053437! some_api_key: SOMEKEY! ! ! Rails.application.secrets.some_api_key!
# => SOMEKEY!
Action Pack Variants
class ApplicationController < ActionController::Base! def some_action! respond_to do |format|! format.html
do |html|! html.tablet ! html.phone! end! end! end! end! ! # in app/views/projects/show.html+tablet.erb! # in app/views/projects/show.html+phone.erb
class ApplicationController < ActionController::Base! def some_action! respond_to do |format|! format.js
{ render "trash" }! format.html.phone { redirect_to progress_path }! format.html.none { render "trash" }! end! end ! end
Action Mailer Previews
class NotifierPreview < ActionMailer::Preview! def welcome! Notifier.welcome(User.first)! end ! end!
# => http://localhost:3000/rails/mailers! # in /test/mailers/previews/notifier_preview.rb
Active Record Enum
class Conversation < ActiveRecord::Base! enum status: [:active, :archived]! end! !
conversation.archived!! conversation.active?! # => false! conversation.status! # => "archived"! ! Conversation.archived! # => Relation for all archived Conversations!
class Conversation < ActiveRecord::Base! enum status: { active: 0, archived:
1 }! end! ! conversation.archived!! conversation.active?! # => false! conversation.status! # => "archived"! ! Conversation.archived ! # => Relation for all archived Conversations!
Message Verifiers
signed_token = Rails.application! .message_verifier("remember_me")! .generate(“some data")! ! Rails.application.message_verifier("remember_me")! .verify(signed_token)! #
=> some data!
Removals, Deprecations and notable changes ! https://github.com/rails/rails/blob/master/guides/ source/4_1_release_notes.md