ruby-on-rails Archives - Page 7 of 19

Is there a way to get a collection of all the Models in your Rails app?

Is there a way that you can get a collection of all of the Models in your Rails app? Basically, can I do ...

May 26, 2022
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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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How to express a NOT IN query with ActiveRecord/Rails?

I’m hoping there is a easy solution that doesn’t involve find_by_sql, if not then I guess that will have to work. I found ...

May 25, 2022
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4

I’m getting this error when I try to upload using paperclip with my rails blogging app. Not sure what it is referring to ...

May 25, 2022
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How do I step out of a loop with Ruby Pry?

I’m using Pry with my Rails application. I set binding.pry inside a loop in my model to try and debug a problem. For ...

May 25, 2022
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Add querystring parameters to link_to

I’m having difficultly adding querystring parameters to link_to UrlHelper. I have an Index view, for example, that has UI elements for sorting, filtering, ...

May 25, 2022
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Case-insensitive search in Rails model

My product model contains some items Product.first => #<Product id: 10, name: "Blue jeans" > I’m now importing some product parameters from another ...

May 25, 2022
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Auto-loading lib files in Rails 4

I use the following line in an initializer to autoload code in my /lib directory during development: config/initializers/custom.rb: RELOAD_LIBS = Dir...

May 25, 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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