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From: anansi on 3 May 2007 11:32
Puria Nafisi Azizi wrote:
> anansi wrote:
>> Maybe someone is interested or has an idea for an unoffical Ruby Quiz
>> for this week. I'm bored , so If someone has any idea, feel free to drop
> conway's game of life?
>

Never heard about it but read now wiki and sounds interesting, so I
would try it. Would you suggest a fixed count of columns and rows for
that, if yes which?

--
greets

(
)
(
/\ .-"""-. /\
//\\/ ,,, \//\\
|/\| ,;;;;;, |/\|
//\\\;-"""-;///\\
// \/ . \/ \\
(| ,-_| \ | / |_-, |)
//`__\.-.-./__`\\
// /.-(() ())-.\ \\
(\ |) '---' (| /)
` (| |) `
jgs \) (/


one must still have chaos in oneself to be able to give birth to a
dancing star
From: Puria Nafisi Azizi on 3 May 2007 11:40
anansi wrote:
> Never heard about it but read now wiki and sounds interesting, so I
> would try it. Would you suggest a fixed count of columns and rows for
pass it as an argument

From: anansi on 3 May 2007 11:58
Puria Nafisi Azizi wrote:
> anansi wrote:
>> Never heard about it but read now wiki and sounds interesting, so I
>> would try it. Would you suggest a fixed count of columns and rows for
> pass it as an argument
>

k so far I would suggest:

(I)
passing row and col count as arguments
(II)
rules for cell stati:
1) life : a cell has 2 or 3 alive neighbours
2) death: a cell has <2 or >3 alive neighbours
3) birth: an empty field has 3 alive neighbours

but what's about the initial cells to begin with ?
any suggestions? randomly with a percentage Input how many cells,
dependent on fields at all shall be filled ? by the hand of the user ?
fixed patterns to fill them?

--
greets

(
)
(
/\ .-"""-. /\
//\\/ ,,, \//\\
|/\| ,;;;;;, |/\|
//\\\;-"""-;///\\
// \/ . \/ \\
(| ,-_| \ | / |_-, |)
//`__\.-.-./__`\\
// /.-(() ())-.\ \\
(\ |) '---' (| /)
` (| |) `
jgs \) (/


one must still have chaos in oneself to be able to give birth to a
dancing star
From: Puria Nafisi Azizi on 3 May 2007 13:06
anansi wrote:
> Puria Nafisi Azizi wrote:
>> anansi wrote:
>>> Never heard about it but read now wiki and sounds interesting, so I
>>> would try it. Would you suggest a fixed count of columns and rows for
>> pass it as an argument
>>
>
> k so far I would suggest:
>
> (I)
> passing row and col count as arguments
> (II)
> rules for cell stati:
> 1) life : a cell has 2 or 3 alive neighbours
> 2) death: a cell has <2 or >3 alive neighbours
> 3) birth: an empty field has 3 alive neighbours
>
> but what's about the initial cells to begin with ?
> any suggestions? randomly with a percentage Input how many cells,
> dependent on fields at all shall be filled ? by the hand of the user ?
pass as an argument to star with:
* a glider
* a glider gun
* a 10x10 input file
* a 10x10 random cells
* an exploder

pah, is not yet friday

From: Paul Novak on 3 May 2007 15:32
One more way to do it: mutually recursive functions that each strip
off the last character and alternate the doubling:

http://pastie.caboo.se/58669

or

def luhn_sum s
val = s.slice!(-1)
if val==nil
return 0
end
val.chr.to_i + luhn_helper( s)
end

def luhn_helper s
val = s.slice!(-1)
if val==nil
return 0
end
(2 * val.chr.to_i).to_s.split("").inject(0){|sum,x|sum + x.to_i} +
luhn_sum( s)
end

def luhn? s
luhn_sum(s) % 10 == 0
end

Regards,

Paul.

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