ruby Archives - Page 13 of 19

How to find where gem files are installed

I can finds gems that are installed using gem list, but it doesn’t show me where the gems are installed. How can I ...

May 10, 2022
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Best way to require all files from a directory in ruby?

What’s the best way to require all files from a directory in ruby ? 11 Answers 11

May 10, 2022
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What is the “right” way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There’s no difference between an array and a hash (maybe I’m naive, ...

May 9, 2022
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Ruby: Calling class method from instance

In Ruby, how do you call a class method from one of that class’s instances? Say I have class Truck def self.default_make # ...

May 9, 2022
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String concatenation in Ruby

I am looking for a more elegant way of concatenating strings in Ruby. I have the following line: source = "#{ROOT_DIR}/" << project ...

May 9, 2022
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Ruby, Difference between exec, system and %x() or Backticks

What is the difference between the following Ruby methods? exec, system and %x() or Backticks I know they are used to execute terminal ...

May 8, 2022
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Uninstall old versions of Ruby gems

I have several versions of a Ruby gem: $ gem list rjb (1.3.4, 1.3.3, 1.1.9) How can I remove old versions but keep ...

May 8, 2022
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I have a string that I want to parse in Ruby: string = '{"desc":{"someKey":"someValue","anotherKey":"value"},"main_item":{"stats":{"a":8,"b":12,"c":10}}}' Is there an easy way to extract the data? ...

May 8, 2022
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What does ||= (or-equals) mean in Ruby?

What does the following code mean in Ruby? ||= Does it have any meaning or reason for the syntax? 23 Answers 23

May 8, 2022
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Get names of all files from a folder with Ruby

I want to get all file names from a folder using Ruby. 20 Answers 20

May 7, 2022
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