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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4499
ShriNi (User)
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
The collect method need not always be associated with a block.


The collect method returns the entire collection, regardless of whether it is an array or a hash.
 
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#4500
ShriNi (User)
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
The collect method is not the right way to do copying between arrays.

There is another method called a clone which should be used to copy one array into another array.
 
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
We normally use the collect method when you want to do something with each of the values to get the new array.
 
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
Ruby provides a whole set of I/O-related methods implemented in the Kernel module.

All the I/O methods are derived from the class IO.
 
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
The class IO provides all the basic methods, such as read, write, gets, puts, readline, getc, and printf.
 
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Re:Ruby basics 3 Years, 11 Months ago Karma: 0  
The puts Statement:

We have assigned values to variables and then printed the output using puts statement.

The puts statement instructs the program to display the value stored in the variable.

This will add a new line at the end of each line it writes.
 
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