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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4439
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
We can also use a block with new, populating each element with what the block evaluates to.
 
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#4440
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
The Kernel module available in core Ruby, has an Array method, which only accepts a single argument.
 
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#4441
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Array Built-in Methods:

We need to have an instance of Array object to call a Array method.

As we have seen, following is the way to create an instance of Array object:

Array.rray Built-in Methods:

We need to have an instance of Array object to call a Array method.

As we have seen, following is the way to create an instance of Array object:

Array.[](...) [or] Array[...] [or] [...]
 
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#4442
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
This is the way we create an instance of Array object:

Array.[](...) [or] Array[...] [or] [...]


This will returns a new array populated with the given objects. Nowhis is the way we create an instance of Array object:

Array.[](...) [or] Array[...] [or] [...]


This will returns a new array populated with the given objects. Now using created object we can call any available instance methods
 
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#4443
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Lets discuss some of the public array methods ( Assuming array is an array object )


array & other_array

Returns a new array containing elements common to the two arrays, with no duplicates.

array * int [or] array * str

Returns a new array built by concatenating the int copies of self. With a String argument, equivalent to self.join(str).
 
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#4444
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
array + other_array

Returns a new array built by concatenating the two arrays together to produce a third array.


array . other_array

Returns a new array that is a copy of the original array, removing any items that also appear in other_array
 
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