From: Panagiotis Atmatzidis <atma@...>
Date: 2013-01-21T01:48:14+09:00
Subject: Re: 2Q: Getting first 4 elements from array and calling class methods directly

Thanks,

that was an awesome explanation! :-)

On 20 Ιαν 2013, at 15:26 , Sandor Szücs <sandor.szuecs@fu-berlin.de> wrote:

> On 1/20/13 3:08 PM, Panagiotis Atmatzidis wrote:
> 
>> 1) Is there any more elegant[1] way to get the first for elements of '@entries' object array?
> 
> irb:0> a = (1..10).to_a
> => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
> irb:0> a.take(3)
> => [1, 2, 3]
> irb:0> a
> => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
> irb:0> a.pop(3)
> => [8, 9, 10]
> irb:0> a
> => [1, 2, 3, 4, 5, 6, 7]
> irb:0> a.shift(3)
> => [1, 2, 3]
> irb:0> a
> => [4, 5, 6, 7]
> 
>> 2) How should be defined the "feed_list" method in order to be called like: feed = NewsDisplay::feed_list
> 
>  1 class NewsDisplay¬
>  2   def self.feed_list(*args)¬
>  3     new(*args).feed_list¬
>  4   end¬
>  5   def initialize(*args)¬
>  6   end¬
>  7   def feed_list¬
>  8     ['f','e','e','d']¬
>  9   end¬
> 10 end¬
> 11 def test¬
> 12   feed = NewsDisplay::feed_list¬
> 13 end¬
> 
> irb:0> test
> => ["f", "e", "e", "d"]
> 
> 
> Hth.
> -- 
> All the best, Sandor Szücs
> 


Panagiotis (atmosx) Atmatzidis

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