ruby-on-rails-3 Archives - Page 2 of 4

How to replace a hash key with another key

I have a condition where, I get a hash hash = {"_id"=>"4de7140772f8be03da000018", .....} and I want this hash as hash = {"id"=>"4de7140772f8be03da000018", ......} ...

May 26, 2022
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Change a column type from Date to DateTime during ROR migration

I need to change my column type from date to datetime for an app I am making. I don’t care about the data ...

May 25, 2022
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Rails – How to use a Helper Inside a Controller

While I realize you are supposed to use a helper inside a view, I need a helper in my controller as I’m building ...

May 25, 2022
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Use rvmrc or ruby-version file to set a project gemset with RVM?

I use RVM, the Ruby Version Manager to specify a Ruby version and a set of gems for each of my Rails projects. ...

May 25, 2022
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Add a CSS class to

My question is easy: <%= f.submit %> Where does the class declaration go? I’m getting errors on multiple attempts. 7 Answers 7

May 24, 2022
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How to restart a rails server on Heroku?

Locally I just interrupt (ctrl-c) and then start it again. How do I do the same thing with an app on heroku? 5 ...

May 24, 2022
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rmagick gem install “Can’t find Magick-config”

I get the error shown below when attempting to install the rmagick gem. I am on Snowleopard 10.6 using RVM, Ruby 1.9.2-head and ...

May 23, 2022
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How to make a HTTP request using Ruby on Rails?

I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a ...

May 22, 2022
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Rails – Could not find a JavaScript runtime?

I created a new Rails project using rails 3.1.0.rc4 on my local machine but when I try to start the server I get: ...

May 20, 2022
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Best way to load module/class from lib folder in Rails 3?

Since the latest Rails 3 release is not auto-loading modules and classes from lib anymore, what would be the best way to load ...

May 19, 2022
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