[#376274] Best Linux Distro for Ruby? — Nick Hird <boondox@...>

What are some of the better linux distro's for ruby development? I know

15 messages 2011/01/02

[#376329] Is singleton class of an object already created? — Samnang Chhun <samnang.chhun@...>

I would like to know is there any ways to check is singleton class of an

12 messages 2011/01/04

[#376333] Threading in ruby — "Vishnu I." <pathsny@...>

Hi

13 messages 2011/01/04
[#376335] Re: Threading in ruby — Robert Klemme <shortcutter@...> 2011/01/04

On Tue, Jan 4, 2011 at 8:41 AM, Vishnu I. <pathsny@gmail.com> wrote:

[#376339] ripl - an irb alternative - 0.3.0 released — ghorner <gabriel.horner@...>

ripl, a light modular alternative to irb, has reached 0.3.0. ripl

32 messages 2011/01/04

[#376382] Class Initialization? — Kedar Mhaswade <kedar.mhaswade@...>

I have a class and two class methods: self.encode and self.decode. The

14 messages 2011/01/05
[#376385] Re: Class Initialization? — Andrew Wagner <wagner.andrew@...> 2011/01/05

On Wed, Jan 5, 2011 at 9:33 AM, Kedar Mhaswade <kedar.mhaswade@gmail.com>wrote:

[#376388] Petition to add Metasploit Project as Ruby success story — Christian Kirsch <Christian_Kirsch@...7.com>

I noticed the Ruby success stories on the Ruby website. I would like to mak=

10 messages 2011/01/05

[#376453] Block variable - How is it read in English? — SW Engineer <abder.rahman.ali@...>

Following the "Ruby on Rails Tutorial", and under section "6.1.1

16 messages 2011/01/06

[#376574] Best way for Array#find+transform ? — "Jonas Pfenniger (zimbatm)" <jonas@...>

There is a pattern that I'm using quite regularly, but I'm not

17 messages 2011/01/08
[#376575] Re: Best way for Array#find+transform ? — Anurag Priyam <anurag08priyam@...> 2011/01/08

> I know I can come up with a new method on Array that would shorten this t=

[#376576] Re: Best way for Array#find+transform ? — Anurag Priyam <anurag08priyam@...> 2011/01/08

> paths.map{|path| File.join(path, filename)}.select{|name| File.exist?(path)}

[#376577] Re: Best way for Array#find+transform ? — "Jonas Pfenniger (zimbatm)" <jonas@...> 2011/01/09

2011/1/8 Anurag Priyam <anurag08priyam@gmail.com>:

[#376579] Re: Best way for Array#find+transform ? — David J. Hamilton <groups@...> 2011/01/09

Excerpts from Jonas Pfenniger (zimbatm)'s message of Sat Jan 08 16:05:05 -0800 2011:

[#376586] Re: Best way for Array#find+transform ? — "Jonas Pfenniger (zimbatm)" <jonas@...> 2011/01/09

2011/1/9 David J. Hamilton <groups@hjdivad.com>:

[#376606] Re: Best way for Array#find+transform ? — David J. Hamilton <groups@...> 2011/01/10

Excerpts from Jonas Pfenniger (zimbatm)'s message of Sun Jan 09 04:08:10 -0800 2011:

[#376680] Parallel Assignments and Elegance/Complexity Ratio. — Kedar Mhaswade <kedar.mhaswade@...>

In SICP, I read that "Programs should be written for people to read, and

15 messages 2011/01/11
[#376697] Re: Parallel Assignments and Elegance/Complexity Ratio. — Josh Cheek <josh.cheek@...> 2011/01/11

On Tue, Jan 11, 2011 at 8:29 AM, Kedar Mhaswade <kedar.mhaswade@gmail.com>wrote:

[#376682] JRuby 1.6.0.RC1 released — Thomas E Enebo <tom.enebo@...>

The JRuby community is pleased to announce the release of JRuby 1.6.0.RC1.

14 messages 2011/01/11

[#376744] Case statements - Just beautification — flebber <flebber.crue@...>

I just want to clarify case statements the name after the word case is

10 messages 2011/01/12

[#376792] Ruby is interpreted and scripting language? — Sai Babu <sateesh.mca09@...>

I am ruby fresher.

16 messages 2011/01/13

[#376855] Retrieving and copying element from array — Simon Harrison <simon@...>

If I have an array like this:

11 messages 2011/01/13

[#376898] What are your ruby rough cuts ? — "Jonas Pfenniger (zimbatm)" <jonas@...>

Hi rubyists,

32 messages 2011/01/14
[#376930] Re: [poll] What are your ruby rough cuts ? — David Masover <ninja@...> 2011/01/15

On Friday, January 14, 2011 07:34:04 am Jonas Pfenniger (zimbatm) wrote:

[#376937] Re: What are your ruby rough cuts ? — Joseph Lenton <jl235@...> 2011/01/15

David Masover wrote in post #975080:

[#376959] Why Quby? (was Re: What are your ruby rough cuts ?) — David Masover <ninja@...> 2011/01/15

On Saturday, January 15, 2011 04:42:58 am Joseph Lenton wrote:

[#377020] Obscure syntax error — Rolf Timmermans <molfie@...>

Hi all,

16 messages 2011/01/17

[#377052] Calling by Reference - Two Questions — Mike Stephens <rubfor@...>

I know I'm not the first person to get stumped by how to get Ruby to

15 messages 2011/01/18

[#377072] The most recommended way of naming methods in Ruby — Edmond Kachale <edmond.kachale@...>

Rubists,

14 messages 2011/01/18
[#377082] Re: The most recommended way of naming methods in Ruby — Phillip Gawlowski <cmdjackryan@...> 2011/01/18

On Tue, Jan 18, 2011 at 9:16 AM, Edmond Kachale

[#377121] Improving performance of hash math — dblock <dblockdotorg@...>

I am trying to improve performance of Euclidian distance between two

13 messages 2011/01/19

[#377226] Totally lost in learning Ruby — Hilary Bailey <my77elephants@...>

This is my second attempt to understand Ruby. I completely read 1)

61 messages 2011/01/21
[#378239] Re: Totally lost in learning Ruby — Hilary Bailey <my77elephants@...> 2011/02/08

Hi everybody,

[#378246] Re: Totally lost in learning Ruby — Robert Klemme <shortcutter@...> 2011/02/08

On Tue, Feb 8, 2011 at 3:16 AM, Hilary Bailey <my77elephants@gmail.com> wro=

[#377236] using gems installed via 'sudo gem install' — "Piotr S." <thisredoned@...>

I've installed ruby-opengl through sudo gem install because there were

15 messages 2011/01/21

[#377362] pg gem 0.10.1 wth Ruby 1.9.2 does not work with method @pg_conn.exec_prepared(stmt_name, parameters) — Zeno Davatz <zdavatz@...>

Hi

9 messages 2011/01/24

[#377388] The finer points of postfix conditionals. — Jon Leighton <j@...>

Hi,

13 messages 2011/01/24

[#377411] Obtain data from .csv — Kamarulnizam Rahim <niezam54@...>

Sample of .csv file:

19 messages 2011/01/25

[#377609] why is overloading invalid in ruby. — Ted Flethuseo <flethuseo@...>

I don't understand why when I try to overload I get an error. Can I

36 messages 2011/01/27

[#377645] If you had the choice between Ruby & Groovy — Noah Cutler <sit1way@...>

Hey All.

15 messages 2011/01/28

[#377650] IDE? — <johan.tempelman@...>

Hi,

13 messages 2011/01/28

[#377703] Zlib::GzipReader and multiple compressed blobs in a single stream — Jos Backus <jos@...>

Hi,

11 messages 2011/01/28

[#377761] New to programming AND new to Ruby — "Cassandra K." <cassandra.k@...>

Hello. I am trying to teach myself Ruby. I have no background in

13 messages 2011/01/31

[#377785] 2011: Which Ruby books have you read? And which would you recommend? — "Aston J." <azzzz@...>

I know there are a lot of threads about books, but some of them are as

16 messages 2011/01/31

[#377800] How to know the exit status within at_exit() block? — Iñaki Baz Castillo <ibc@...>

Hi, my program invokes "exit true" or "exit false" and I want to catch

17 messages 2011/01/31

Re: why is overloading invalid in ruby.

From: brabuhr@...
Date: 2011-01-28 04:17:06 UTC
List: ruby-talk #377643
On Thu, Jan 27, 2011 at 9:52 PM, Ted Flethuseo <flethuseo@gmail.com> wrote:
> David Masover wrote in post #978005:
>> On Thursday, January 27, 2011 02:55:24 pm Ted Flethuseo wrote:
>>> Ah that's too bad... I knew I could put some default values for x and y
>>> and z.. getting the same effect sort of...
>>>
>>> but this isn't a solution if the methods that I want to "overload" (I
>>> call it
>>> overload, not sure what the proper term should be) are
>>> completely different, and are not differentiated simply by different
>>> values.
>>
>> If they're not differentiated by different values, how were you
>> expecting
>> overloading to work? If the problem is that you need the behavior to be
>> different, I think default values still work -- for example:
>>
>> def sum_or_inverse a, b=3Dnil
>> =A0 if b.nil?
>> =A0 =A0 -a
>> =A0 else
>> =A0 =A0 a+b
>> =A0 end
>> end
>>
>> But I don't really know what you were asking.
>> I agree with Jes=FAs. We need more details.
>
> Ok.. I didn't want to post so much code but you asked for it. I am
> trying to read a file, with a number of different methods. The methods
> allow you to interpret the file as an input and output matrices, input
> only or both but with only a number of rows.

Infinity =3D 1.0/0

def read_data(num_in =3D nil, num_out =3D nil, num_lines =3D Infinity)
=A0=A0unless inFile.nil?
=A0=A0 =A0@count =3D 0

=A0=A0 =A0File.foreach(inFile) do |line|
      # def read_data(num_in, num_out, num_lines)
=A0  =A0 =A0break if @count >=3D num_lines

=A0    =A0arr =3D line.chomp.split(',')
=A0 =A0=A0  float_array =3D arr.map { |x| x.to_f }

      # def read_data(num_in, num_out)
      if num_in and num_out
  =A0  =A0 =A0arr_in =3D []
=A0   =A0=A0 =A0arr_out =3D []
=A0 =A0    =A0for i in 0...num_in
=A0 =A0 =A0  =A0 =A0arr_in << float_array[i]
=A0 =A0 =A0 =A0 end

 =A0 =A0 =A0 =A0in_data.push(arr_in)
=A0  =A0 =A0 =A0for j in num_in...(num_in+num_out)
=A0    =A0 =A0 =A0arr_out << float_array[j]
=A0 =A0=A0   =A0end
  =A0  =A0 =A0out_data.push(arr_out)
      elsif num_in or num_out
        raise ArgumentError
      else
        # def read_data
        file_data.push(float_array)
=A0     end

=A0   =A0=A0@count =3D @count + 1
=A0 =A0 end

=A0 =A0 file_data
  end
end

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