[#394281] Can someone throw me a bone — Bob Baird <lists@...>

Hi all,

14 messages 2012/04/02

[#394311] using hash as database? Secure databases with ruby? — ruby rocks <lists@...>

I am new to programming and am learning ruby as my first language. I

16 messages 2012/04/03
[#394315] Re: using hash as database? Secure databases with ruby? — Hassan Schroeder <hassan.schroeder@...> 2012/04/03

On Tue, Apr 3, 2012 at 10:30 AM, ruby rocks <lists@ruby-forum.com> wrote:

[#394318] Re: using hash as database? Secure databases with ruby? — ruby rocks <lists@...> 2012/04/03

Hassan Schroeder wrote in post #1054862:

[#394320] Re: using hash as database? Secure databases with ruby? — Florian Gilcher <flo@...> 2012/04/03

[#394321] Re: using hash as database? Secure databases with ruby? — ruby rocks <lists@...> 2012/04/03

Florian Gilcher wrote in post #1054875:

[#394375] Call for comments - Structure — Hal Fulton <rubyhacker@...>

Greetings, fellow Rubyists...

14 messages 2012/04/04

[#394390] Design pattern question — James French <James.French@...>

Hi group,

15 messages 2012/04/05

[#394471] How to pull out specific part of a variable and set to another variable? — "Charlie B." <lists@...>

I have a variable that is a long string. The variable looks like this:

9 messages 2012/04/09

[#394492] New to Ruby, tutorial gives wrong example. — Roger McDonald <lists@...>

I am just starting with Ruby with intention to learn and perhaps use it

11 messages 2012/04/10

[#394533] A Beginner's Question about Metaprogramming — Phil Stone <lists@...>

Hey guys, have a question about Ruby programming and found this forum

20 messages 2012/04/10

[#394616] How to test if array element exists? — Soul Surf <lists@...>

I'm new to Ruby and just want to test if an array element exists. Here's

11 messages 2012/04/13

[#394642] how to avoid escaping special chars after backslah in string — Lucky Nl <lists@...>

Hi friends,

13 messages 2012/04/13
[#394645] Re: how to avoid escaping special chars after backslah in string — Roger Pack <lists@...> 2012/04/13

so what's your ideal syntax here?

[#394658] Why doesn't Fixnum#to_d exist? — Mark Campbell <nitrodist@...>

http://stdlib.rubyonrails.org/libdoc/bigdecimal/rdoc/index.html

15 messages 2012/04/13
[#394660] Re: Why doesn't Fixnum#to_d exist? — Bartosz Dziewoński <matma.rex@...> 2012/04/13

It does exist, but it's in a separate file - bigdecimal/util or utils,

[#394663] Re: Why doesn't Fixnum#to_d exist? — Mark Campbell <nitrodist@...> 2012/04/13

Yes, that file has the String#to_d, Float#to_d and Rational#to_d.

[#394675] Operator overloading of the subscript operator — Ralph Shnelvar <ralphs@...32.com>

I understand that operators (e.g. +, -, *, []) are nothing more than method names so that

16 messages 2012/04/14
[#394677] Re: Operator overloading of the subscript operator — "Jan E." <lists@...> 2012/04/14

Hi,

[#394678] Re: Operator overloading of the subscript operator — Ralph Shnelvar <ralphs@...32.com> 2012/04/14

Jan,

[#394767] Capital Cyrillic letter in Ruby class name (UTF-8) — Vladimir Kerimov <lists@...>

Hi matz,

22 messages 2012/04/17

[#394803] Why must I know whether I extend a class or a module? — Marc Heiler <lists@...>

Hi.

18 messages 2012/04/18
[#394843] Re: Why must I know whether I extend a class or a module? — Intransition <transfire@...> 2012/04/19

On Wednesday, April 18, 2012 1:13:17 PM UTC-4, Marc Heiler wrote:

[#394853] How can i make the colorful font with black background for puts? — gmspro gmspro <lists@...>

puts 'Hello World."

10 messages 2012/04/19

[#394865] finding duplicates in an array and its index number — newto ruby <lists@...>

Hi,

11 messages 2012/04/19

[#394964] To developers of Ruby: Feeble documentation - weakness of Ruby and the Ruby on Rails (2nd edition) — Sergey Ezhov <lists@...>

RGlyZWN0bHkgSSBhcG9sb2dpemUgZm9yIG15IEVuZ2xpc2ggLSBJIHVzZWQg

13 messages 2012/04/23
[#394971] Re: To developers of Ruby: Feeble documentation - weakness of Ruby and the Ruby on Rails (2nd editio — Brian Candler <lists@...> 2012/04/23

I think you are a bit confused.

[#394969] gem-packed script with DATA section does not work — Wybo Dekker <wybo@...4all.nl>

The attached minimal gem contains a script that reads "Hello World!"

20 messages 2012/04/23
[#394970] Re: gem-packed script with DATA section does not work — Xavier Noria <fxn@...> 2012/04/23

DATA points to the contents after the __END__ directive of the executable

[#394973] Re: gem-packed script with DATA section does not work — Wybo Dekker <wybo@...4all.nl> 2012/04/23

On 2012-04-23 11:39, Xavier Noria wrote:

[#394988] Re: gem-packed script with DATA section does not work — Ryan Davis <ryand-ruby@...> 2012/04/23

[#394997] Re: gem-packed script with DATA section does not work — Peter Zotov <whitequark@...> 2012/04/23

Ryan Davis писал 23.04.2012 22:58:

[#395024] -BEGINNERS- Where do I Start? — "Thought M." <lists@...>

Hello World....... I am very new to code but have been glancing at it

13 messages 2012/04/25

[#395035] if if if statment — fox foxmaster <lists@...>

Hi all,

19 messages 2012/04/25

[#395085] Wrappng up my Text Game! Need Help! — Jared Hobbs <lists@...>

Hi, everyone. This is my first post!

18 messages 2012/04/26

[#395099] ruby/shoes GUI - sqlite, how to isert a variable key in table? — "Danilo L." <lists@...>

Hello, I am struggling to insert a variable into a table, for example:

17 messages 2012/04/27
[#395104] Re: ruby/shoes GUI - sqlite, how to isert a variable key in table? — Zachary Scott <zachary@...> 2012/04/27

Hi Danilo, How are you enjoying shoooes?

[#395105] Re: ruby/shoes GUI - sqlite, how to isert a variable key in table? — Michel <michel.revesche@...> 2012/04/27

[#395113] why does this return 255 bits instead of 256 (and general bit byte hex string array crypt mayhem :P) — instance_variable ok <lists@...>

So I am doing something that requires me to manipulate things on the bit

14 messages 2012/04/27

[#395193] delete character from array — Ok Ok <lists@...>

Here is my question...

17 messages 2012/04/30
[#395196] Re: delete character from array — Ok Ok <lists@...> 2012/04/30

Yes that was exactly it. I have one more question maybe you can help me

Re: ruby v.1.8.6. Expand array class, make combinations

From: Ralf Mueller <ralf.mueller@...>
Date: 2012-04-12 13:08:31 UTC
List: ruby-talk #394596
On 04/12/2012 10:10 AM, Ronnie Aa wrote:
> Hi,
>
> I'm using Sketchups' ruby; its version: 1.8.6. Sketchup is a 3D design
> program which has as ruby built in to perform all kinds of operations on
> geometry.I'm not able to use higher versions of ruby.
>
> My question:
>
>
>
> This is what I want to accomplish:
>
> ["a","b","c","d"].permutation(2)
>
> ==>  [ [a,b],[a,c],[a,d],[b,c],[b,d],[c,d] ]
> but it's not available for me
>
>
>
> I also found:
>
> http://permutation.rubyforge.org/. I succeeded to install the gem,
> but I couldn't accomplish the above.
>
>
>
>
> So I've created my own method:
>
> class Array
>    def comby  ## Make al unique combinations of 2 elements
>
>       posmax = (length - 1)
>
>
>       newarr = []
>
>
>
>      for n in 0.. posmax
>        for m in 0.. posmax
>          i1 = self[n]
>          i2 = self[m]
>          if  newarr.include? ([i2,i1])
>             # newarr.push('X')
>          elsif i1 == i2
>              # newarr.push('X')
>          else
>             newarr.push([i1,i2])
>          end
>        end
>      end
>      puts  newarr[0..14]
>                  ==>  [ [a,b],[a,c],[a,d],[b,c],[b,d],[c,d] ]
>
>    end
>
> end
>
> //program
>
> mm = ["a","b","c","d"]
>
> mm.comby
>
> //
>
>
>
>
> It puts the right values, but what I can't use newarr ( tried also
> @newarr)
> in my program.
>
> What would like to see:
>
> mm = ["a","b","c","d"]
> aa = mm.comby
> puts aa
> ==>  [ [a,b],[a,c],[a,d],[b,c],[b,d],[c,d] ]
>
> What can I do??
>
>
> Thanks!
>
What about ruby facets: 
http://rubyworks.github.com/rubyfaux/?doc=http://rubyworks.github.com/facets/docs/facets-2.9.3/core.json#api-class-Array/api-method-Array-h-combination 

There is a combination method for the Array class. does it fit your needs?

ralf

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