From: Florian Gross <flgr@...>
Date: 2004-07-16T04:47:16+09:00
Subject: Re: hex / rescue

mark greenlancer wrote:

> hello,

Moin!

> 
> there are a few questions after I've read the
> manual...
> 
> ``String.hex幹 converts a hex-string to a decimal
> number. But how to convert a decimal number to a
> hex value?

I think that String#hex should not be used anymore.

I would use "deadbeef".to_i(16) for converting from a String to a number 
and 36.to_s(16) for the other way.

> If I do
> 
> begin
>  ...
> rescue
>  ...
> end
> 
> catches the rescue part every error?
> I can also write ``rescue StandardError, SyntaxError, ...

It is the same as 'rescue StandardError' -- if you want to rescue all 
errors you should use 'rescue Exception' instead.

> greetings,
> mark

Regards,
Florian Gross