Are there any tools to migrate code to be rails4 ready [closed] - ruby-on-rails

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Closed 8 years ago.
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Are there any tools to migrate our existing app from 3.2.x to be rails4 ready

Not aware of tools, but here is a guide you can follow to do that
Upgrading to Rails 4 Guide
Get Your App Ready for Rails 4

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What is the nodejs equivalent library of the ruby gem 'devise'? [closed]

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Closed 9 years ago.
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Looking for a nodejs library that can help make the process of creating user profiles easier for a web application
Passport is really good for it. More information is available here.

Phonegap : Plugin development tutorial for iOS [closed]

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Sorry if this question was already asked.
I want a complete tutorial on phonegap plugin development in iOS, i have visited this link but was not able to understand where to add the code in the native part, if any one has a good link on this topic do let me know.
Thanks
You can check below tutorial for phonegap plugin development for iOS i found it useful
http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&ved=0CGIQFjAJ&url=http%3A%2F%2Fmoduscreate.com%2Fbuilding-a-custom-phonegap-plugin-for-ios%2F&ei=VI-lUuDLCoKQrQeP6oC4BA&usg=AFQjCNG-YGsS8sK6qjWGAcb6JjRHmM_Fxg&bvm=bv.57752919,d.bmk

Is hogan.js unmaintained? Is it safe to use? [closed]

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Closed 8 years ago.
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I've seen that Twitter's hogan.js is not making progress and it's somewhat abandoned (github: https://github.com/twitter/hogan.js). The issues are not being attended, and last version in NPM is 2.0.0 (https://www.npmjs.org/package/hogan.js), while in github is already 3.0.0. Eight months ago it was asked to be updated in NPM and it has not been done yet (https://github.com/twitter/hogan.js/issues/111).
Is Twitter still using Mustache templates? Why is this project so unattended? Would you use it for a real life product?

repository of available rails engines [closed]

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Is there a repository where you can find all the available rails engines?
something like the appstore for rails engines?
I have seen some references to http://rails-engines.org/ but that has only 2 or 3 engines.
Thanks.
It's not exclusively for rails engines, but Ruby Toolbox is a good repository of various tools.

What are good resources for learning to test using Selenium for a Rails app? [closed]

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I am looking for resources to learn how to use Selenium to test my rails app?
How are people using it etc.
I know the people at pivotal use Selenium, I'm looking for an insiders view on how to use it effectively and efficiently etc.
My goto place to look for rails info has always been Railscasts: http://railscasts.com/episodes/116-selenium
After that Google++

Resources