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Cool video. Wanted to try out 4.0 (aka First)
Nice Video..! Cheers.
Very nice summary!
You can generate a new secret_key_base by running rake secret.
If you're interested in some more details about Rails 4 (and deeper dives on some of the topics shown), I'm writing an e-book: http://upgradingtorails4.com/
awesome, was just wondering that.
It works like a charm !
Super good thanks !
You can also rename update_attributes to update
Nested attributes will need updating too:
Are there any big advantages to upgrading to Rails 4 - I'm a little familiar with some of the new features that are offered and none of them sound appealing to me at the moment.
I noticed 2 areas of improvement:
Rails 4 syntax is less verbose and more intuitive when writing queries.
Rails 4 has a heavy emphasis on security.
There are several more features covered in various blogs and podcasts.
To summarize, Rails 4 "feels" more mature.
I took a huge commercial app and was able to upgrade it from Rails 3.2.13 to Rails 4.0.0.rc1 in half a day. Having the test suite in place made the transition process go smoothly. There are a few popular gems that we use that are not Rails 4 ready so releasing this upgraded app to production will have to wait.
There is no need to say how many unproductive hours and nightmares you are avoiding us with episodes like this one.
I agree w/ @kikorb. The scary thing is what happens when a relative noob (like myself) tries this. A checklist might be one way of looking for all the gotchas.
Thanks for these non-so-intuitive step :)
I feel you.
Yeah for real !
To quickly view differences between Rails versions:
I did not know about Railsdiff. It's fantastic.
Great post! Thanks, there's quite a lot to see.
So easy with this link
Thanks for the cast Ryan you spelt it well as usual. But somehow I share that kind of disappointment with Cyle. It is not if anything were missing, it is just there is no big Wow as there has been before with major releases. Probably a good sign for maturity...
Hello, could you please asciicastize it? Thanks! :-)
To get the latest Rails config settings there's no need to copy/paste from another project just run rake rails:update.
+1 thanks for that!
This will overwrite the configuration that is already have been written.
Thanks so much for this, Ryan!
I understand making gems Rails 4 ready is time-intensive, but most production apps I work on depend on gems that have yet to see some love. Nevertheless, we are starting the upgrade process and updating as dependencies are available.
Your cast makes the process very straightforward and manageable
Rookie in need of some help: It doesn't seem to matter what I do, I get this error:
.rvm/gems/ruby-1.9.3-p286-falcon/gems/actionpack-4.0.0/lib/action_dispatch/routing/mapper.rb:229:in `default_controller_and_action': missing :controller (ArgumentError)
Bundler complete without problems, rake or rails commands fails with before mentioned or simular.
I checked controllers, and yes; they are all there...
So far I have narrowed it down to my routes.rb, but can't see what the problem is.
Removed 'patch :update_many' from routes.rb - now things are looking up :)
New subscriber here - Thanks for all your work Ryan
Hey, Ryan, we need cancan for Rais 4. Update it, please!
small article about migration
This video was quite handy when I upgraded Smartlend to Rails 4. Thanks!
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New to Rail. Thanks for the tutorials.
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Upgrade went very well thanks!
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