ruby Archives - Page 2 of 28

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a “proper”https://stackoverflow.com/”correct”https://stackoverflow.com/”sure” way to override a ...

June 1, 2022
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Programming, ruby-on-rails

IT Nursery

How to test if parameters exist in rails

I’m using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not ...

June 1, 2022
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Programming, ruby

IT Nursery

Uninstall all installed gems, in OSX?

There are instances where I would like to revert and uninstall all previous gem installations. For instance, I needed to assist a friend ...

June 1, 2022
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Programming, ruby

IT Nursery

Changing every value in a hash in Ruby

I want to change every value in a hash so as to add ‘%’ before and after the value so { :a=>'a' , ...

June 1, 2022
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Programming, ruby

IT Nursery

Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”

I just uninstalled my older versions of Ruby, removed all of my gems (including Rails), and installed Ruby 2.0. In other words, a ...

June 1, 2022
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