[lnkForumImage]
TotalShareware - Download Free Software
Confronta i prezzi di migliaia di prodotti.
Asp Forum
 Home | Login | Register | Search 


 

Forums >

comp.lang.ruby

Accessing Array

Ernst Tanaka

11/8/2007 10:19:00 PM

record => [#<Quote:0xb189218
@attributes={"underlying"=>"$ADVN", "price"=>"1579.00",
"date"=>"2007-11-08 17:01:13", "id"=>"3362", "impvolatility"=>nil,
"volume"=>nil}>,
#<Quote:0xb1877ec @attributes={"underlying"=>"$ADVN",
"price"=>"1579.00", "date"=>"2007-11-08 16:49:15", "id"=>"3351",
"impvolatility"=>nil, "volume"=>nil}>]



The above array is the result from a record.find(:all) sql call in Ruby.

I need to access attribute price of the second entry of the array.
I have some problem coding it.

I tried record.price[1] but that seems not to be the solution.

Thanks for your help,

Ernst
--
Posted via http://www.ruby-....
2 Answers

Jeremy Woertink

11/9/2007 12:02:00 AM

0

Ernst Tanaka wrote:
> record => [#<Quote:0xb189218
> @attributes={"underlying"=>"$ADVN", "price"=>"1579.00",
> "date"=>"2007-11-08 17:01:13", "id"=>"3362", "impvolatility"=>nil,
> "volume"=>nil}>,
> #<Quote:0xb1877ec @attributes={"underlying"=>"$ADVN",
> "price"=>"1579.00", "date"=>"2007-11-08 16:49:15", "id"=>"3351",
> "impvolatility"=>nil, "volume"=>nil}>]
>
>
>
> The above array is the result from a record.find(:all) sql call in Ruby.
>
> I need to access attribute price of the second entry of the array.
> I have some problem coding it.
>
> I tried record.price[1] but that seems not to be the solution.
>
> Thanks for your help,
>
> Ernst

You are very close. You called index 1 on an attribute, and you should
call it on the array. record is your array, and you have 2 quote
objects, so doing record[1] would return the second Quote object, and
doing record[1].price would return 1579.00


~Jeremy
--
Posted via http://www.ruby-....

Ernst Tanaka

11/9/2007 12:56:00 AM

0

Hi Jeremy:

Thank you!

I spend some hours finding the solution in books and on the net.

Your solution worked!

I am new to Ruby programing, making great progress, only sometimes I
have a 'hang up'.

Thanks,

Ernst
--
Posted via http://www.ruby-....