ruby Archives - Page 2 of 19

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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Programming, ruby

IT Nursery

How to split (chunk) a Ruby array into parts of X elements? [duplicate]

This question already has answers here: How to chunk an array in Ruby (2 answers) Closed 4 years ago. I have an array ...

June 1, 2022
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Programming, ruby

IT Nursery

Double vs single quotes

Is there a specific time when I should use "" vs ''? I’ve been using single quotes most of the time because it’s ...

June 1, 2022
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Programming, ruby

IT Nursery

How Do You Clear The IRB Console?

How do you clear the IRB console screen? 21 Answers 21

June 1, 2022
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Programming, ruby

IT Nursery

What are the Ruby File.open modes and options?

Ruby’s File.open takes modes and options as arguments. Where do I find a complete list of modes and options? 2 Answers 2

June 1, 2022
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Programming, ruby

IT Nursery

Is it possible to run a single test in MiniTest?

I can run all tests in a single file with: rake test TEST=path/to/test_file.rb However, if I want to run just one test in ...

June 1, 2022
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Programming, ruby

IT Nursery

Ignoring GEM because its extensions are not built

On both my work and home computers, I recently upgraded Ruby to 2.3.1, using ruby-install. I use chruby as my Ruby switcher. I ...

June 1, 2022
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Programming, ruby

IT Nursery

What is the canonical way to trim a string in Ruby without creating a new string?

This is what I have now – which looks too verbose for the work it is doing. @title = tokens[Title].strip! || tokens...

June 1, 2022
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Programming, ruby

IT Nursery

Ruby array to string conversion

I have a ruby array like...

May 31, 2022
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