[{"_1":2,"_46":-5,"_47":-5},"loaderData",{"_3":4,"_14":15,"_44":-5,"_45":-5},"root",{"_5":-5,"_6":-5,"_7":-5,"_8":9,"_10":11},"user","shoppingCartId","toast","locale","en","constants",{"_12":13},"paypalClientId","AenrHU49peF-ZUH-Yq7AXLLNZYGUGlml474U16NCjB4ZznmQCEjiliN3whyuVZmkb7VxEzmTALgtKEKE","routes/_store+/_readers+/email_author.$slug/route",{"_16":17,"_43":-5},"book",{"_18":19,"_20":21,"_22":23,"_24":25,"_26":27,"_28":29},"id","Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6Qm9va1Byb2R1Y3QvNDU5OA","title","Upgrade to Rails 4","state","published","contactAuthorMethod","email","aboutText","

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 contains more than 32 chapters covering important new and deprecated features in Rails 4.

","authors",[30],{"_18":31,"_32":33,"_5":34},"Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6UHJvZHVjdEF1dGhvci80Nzg2","name","Philip De Smedt",{"_35":36},"avatar",{"_37":38,"_39":40,"_41":42},"url","https://d308did4coypzi.cloudfront.net/avatars/125944/medium/author-image.png?1425583981","styleName","medium","exists",true,"currentUser","routes/_store+/_layout","routes/_store+/_readers+/_layout","actionData","errors"]

Email the Author