From: Aldric Giacomoni <aldric@...>
Date: 2010-01-09T04:43:44+09:00
Subject: Re: can you explain code

Aashish Kiran wrote:
> Aldric Giacomoni wrote:
>> Aashish Kiran wrote:
>>> 
>>> can anyone explain how "nearValues"  is updating
>>> 
>> (skip long useless code and output)
>> 
>> Well, your code says this:
>> 
>>     nearValues.size.times do |i|
>>       n = nearValues[i]
>>       next if $hash2[n].include?(pivot)
>>       nearValues[i] = nil
>> 
>> That means, er. .. If the pivot is in $hash2[n], whatever that means, 
>> then go to the next number. Otherwise, if the pivot is not in $hash2[n], 
>> nearValues[i] is set to nil.
>> This, incidentally, is absolutely terrible Ruby, and I want to inflict a 
>> lot of pain to the person who wrote it.
> 
> 
> thank you for reply
> can you please explain how nearValues is adding values
> 

No, because that's not in the code supplied. nearValues is passed to 
this method. The code is ugly but very readable. Go over it a few times 
and it will make sense.
Hints:
- "p" means "puts" and stands for 'send to the screen' (basically)
- Unknown methods can be looked up here: http://ruby-doc.org/core/
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