I'm writing a leanpub book - Upgrade to Rails 4
I'm writing a leanpub book - Upgrade to Rails 4 launched on March 31, 2013 with 29 votes, #93 of 671 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 13 years on.
In plain words
Upgrade to Rails 4" is a Leanpub book designed for Rails developers considering migration to Rails 4. It covers new features including Turbolinks, Live Streaming, and Strong Parameters, while explaining deprecated functionality and replacement strategies. The book includes a checklist to help developers verify their upgrade progress and stay current with Rails development practices.
written from the facts on this page · September 2026
From the sources
Covering new Rails 4 features such as Turbolinks, Live Streaming and Strong Parameters! Have you been thinking of upgrading your Rails application to Rails 4 but don't know where to start? Are you curious about the new features Rails 4 introduces? Then Upgrade to Rails 4 is the perfect book for you. Rails 4 introduces an abundance of new features. Learn about these to stay up to date with the latest developments, and modernize your application. All deprecated features will be covered in depth along with an explanation of how to replace them. Using the included checklist, you can verify that you have updated all breaking changes when upgrading your Rails 3 application. Upgrade to Rails 4…from leanpub.com
Does a similar job
all alternatives →
I open sourced my eBook on upgrading to Rails 32012 · github.com · ▲44Open source version of the Rails Upgrade Handbook. Contribute to jm/rails_upgrade_guide development by creating an account on GitHub.
Stay Up To Date with Ruby on Rails2020 · fastruby.io · ▲78Automatic PRs in your repo to ease your future Rails upgrade
- IMI'm writing a leanpub book about Common Lisp web programming2013 · lispwebtales.ppenev.com · ▲107
- IWI wrote the most comprehensive book on Rails and Hotwire2023 · railsandhotwirecodex.com · ▲11
This book is what I believe to be the most comprehensive resource on Rails and Hotwire in existence. It covers advanced Rails concepts in details and also teaches Turbo Native alongside web concepts. I like to think of it as a spiritual sequel to Michael Hartl's Rails Tutorial.
More life & fun this month
the category →
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 3d ago · permit.petercai.com
- IV
Life & fun · 15d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 16d ago · bigwords.page
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 10d ago · guitoro.com
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 14d ago · carrierexplode.com
Life & fun · 24d ago · space.bl2.net
Source: Show HN post ↗
Launched alongside, March 2013
the whole month →- XI
Life & fun · 2013 · gkoberger.github.com
- 6M
Work · 2013 · playadrift.com
- WP
Work · 2013 · usablica.github.com
- WD
Life & fun · 2013 · playground.webflow.com
Most popular online service for startup legal paperwork, including Delaware C corporation incorporation. Recommended by the most startup attorneys. Designed exclusively for startups, as opposed to regular small businesses. Run by two startup attorneys obsessed with helping founders avoid problems wi
Life & fun · 2013 · clerky.com
Heap by Contentsquare is the only digital insights platform that shows everything users do on your site, revealing the "unknown unknowns" that stay invisible with other tools.
Life & fun · 2013 · heapanalytics.com