#415 Upgrading to Rails 4

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/

You can also rename update_attributes to update

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.

Thanks Ryan.

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 :)

so painful

To quickly view differences between Rails versions:

http://railsdiff.org/html/v3.2.13-v4.0.0.rc1.html

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! :-)

+1 ASCII-cast

To get the latest Rails config settings there's no need to copy/paste from another project just run rake rails:update.

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.
Any help?

New subscriber here - Thanks for all your work Ryan

Hey, Ryan, we need cancan for Rais 4. Update it, please!

http://goo.gl/WOL2C5

small article about migration

This video was quite handy when I upgraded Smartlend to Rails 4. Thanks!

Thank you!

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good job

Happy New Year 2017

En tant que 2017 je valide cette video!

Although very difficult, but I think to accept the truth. My children it affected a lot, we have moved to a new place and is gradually adapting to it.
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Upgrade went very well thanks!

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Agree with your opinion, thanks

was looking for this information, thanks to the author of the post, I am glad to join your community!

Thank you for sharing videos about rails. Good job!

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Great Post, thanks

Thanks for sharing information, good advise.

I like video. Great!!

great!great! Tks you sharing!

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I was waiting for it so muuuuucch.

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Thanks you it's very good !!

Thanks for sharing such, valuable information

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Great post! Thanks, there's quite a lot to see.

Great post! Thanks, there's quite a lot to see.

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Well, I didn't know about Railsdiff earlier. It's fantastic.

Hi there

Thank for the nice update on the Ruby on Rails.

Thanks for the information

Awesome new update and no bugs to speak of! Can't believe it took me this long to get up to speed on whats going on, that being said I should probably go see if I'm missing out on an even better one. Haha

Great Application rais 3.2

Super Happy with the performance! a definite recommend.

Thanks a lot for the purpose of rendering up to date update versions about the challenge, I just await read through further.

I heard that. I'm with you all the way...

great