what is the Notation used for denoting class variables in Ruby?

5

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what is the difference between String and Symbol?

5

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In Ruby, it explains about the defined operator?

5

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In Ruby code, often it is observed that coder uses a short hand form of using an expression like array.map(&:method_name) instead of array.map { |element| element.method_name }. How this trick actually works?

5

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what is the difference extend and include?

5

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what is Interpolation in Ruby?

5

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what is a class library in Ruby?

5

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Suppose if I am trying to assign a variable the value of 0123, but it keeps coming up with a different number, what's the problem?

240

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Would you initialize strings with single quotes or double quotes?

198

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When are you supposed to use endif to end conditional statement?

167

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Can you please explain the difference between include and require?

166

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Will comparison of string "10″ and integer 11 work in PHP?

174

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what does a special set of tags do in PHP?

204

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If the variable $a is equal to 5 and variable $b is equal to character a, what's the value of $$b?

186

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explain the difference between accessing a class method via -> and via ::

192

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