Ruby

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Case with Strings


You can also use non-integer types such as string. If multiple trigger values are specified in a when section, they may be of varying types – for example, both string and integers:

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More on Case


Working with Case Statement

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Case Break


Learn how to break to get specific output.

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Case Statement


When you need to take a variety of different actions based on the value of a single variable, multiple if..elsif tests are verbose and repetitive.

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Boolean Operators


and &&
These operators evaluate the left-hand side then, only if the result is true, they evaluate the right-hand side; and has lower precedence than &&

or ||

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Wrong Use of and or


This Example tell how not to use the and or operator as it does not give correct results every time.

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and or


Learn how to use and and or Operator in Ruby

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Using Upto and Downto


Using Upto and Downto continuous loop

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Using Until


Ruby also has an until loop which can be thought of as a ‘while not’ loop.

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Create An Array Using Two Sub-arrays


An array with two sub-arrays - i.e. 2 'rows' each with 4 elements