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Ruby Interview Questions

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21.

What is the difference between Array#select, Array#reject, and Array#partition?

intermediate

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22.

How does the Enumerable module work in Ruby?

intermediate

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23.

What is the spaceship operator (<=>) and how is it used?

intermediate

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24.

What is the difference between yield and block.call?

intermediate

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25.

Explain the & operator in method parameters.

intermediate

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26.

What is method chaining and how do you implement it?

intermediate

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27.

What are keyword arguments and how do they differ from positional arguments?

intermediate

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28.

What is the splat operator (*) and double splat (**)?

intermediate

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29.

What is the difference between include, prepend, and extend?

intermediate

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30.

What is the purpose of module_function?

intermediate

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31.

How do you handle module name conflicts?

intermediate

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32.

What is the difference between raise and throw in Ruby?

intermediate

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33.

Explain the structure of begin-rescue-else-ensure-end.

intermediate

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34.

How do you create custom exception classes?

intermediate

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35.

What is the difference between File.open and File.new?

intermediate

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36.

How do you handle file operations safely in Ruby?

intermediate

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37.

What is the difference between require and load?

intermediate

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38.

Explain the difference between system, exec, and backticks for running shell commands.

intermediate

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39.

What is the difference between stub and mock in testing?

intermediate

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40.

What is the purpose of fixtures and factories in testing?

intermediate

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Showing 21 to 40 of 85 results

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