ruby Archives - Page 2 of 19

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’ , … Read more

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

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

Is there a specific time when I should use “” vs ”? I’ve been using single quotes most of the time because it’s … Read more

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

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

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 … Read more

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 … Read more

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

I have a ruby array like [’12’,’34’,’35’,’231′]. I want to convert it to a string like ’12’,’34’,’35’,’231′. How can I do that? 13 … Read more