[#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 make a petition to list the open source Metasploit Project as a success story for the Ruby website. The Metasploit Project has seen more than a million unique downloads in the past 12 months and has over 700,000 lines of code, compared to 100,000 lines of the highly successful Ruby projects Puppet and Ruby on Rails.

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 to:

[#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> wrote:

[#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: A tad of meta-programming needed

From: RichardOnRails <RichardDummyMailbox58407@...>
Date: 2011-01-23 02:45:30 UTC
List: ruby-talk #377286
On Jan 20, 8:19m, Robert Klemme <shortcut...@googlemail.com> wrote:
> On Mon, Jan 17, 2011 at 9:40 PM, RichardOnRails
>
> <RichardDummyMailbox58...@uscomputergurus.com> wrote:
> > Do you have a working example with symbols you could provide me? nd
> > what version of Ruby ran it?
>
> Basically you need a mapping from symbols to group indexes to make
> named groups work in 1.8. here are several ways you can do that
>
> 1. manual
>
> names = [:foo, :bar, :baz]
> ..
> md = rx.match str
> puts md[names.index(:foo) + 1]
>
> 2. semi automatic
>
> names = [:foo, :bar, :baz]
>
> def names.get(md, name)
> md[names.index(:foo) + 1]
> end
> ..
> md = rx.match str
> puts names.get(md, :foo)
>
> 3. or even
>
> class MatchData
> attr_accessor :names
>
> def get(name)
> self[names.index(name) + 1]
> end
> end
> ..
> md = rx.match str
> md.names = names
> puts md.get(:foo)
>
> Further variants are possible. ut I'd switch to 1.9 soon - because
> it's faster and has a better regexp engine with named captures.
>
> Kind regards
>
> robert
>
> --
> remember.guy do |as, often| as.you_can - without endhttp://blog.rubybestpractices.com/

Hi Robert,

Thanks for your response.  As usual, it seems to me,  your response
was thorough.

> Further variants are possible.  But I'd switch to 1.9 soon - because
> it's faster and has a better regexp engine with named captures.

Another responder pointed out the advantage of upgrading to 1.9,
which I will do in a couple of weeks.

My original wish was to use the values from a regex match ($1, $2 ...)
without explicitly listing those symbols in an expression.  Rather I
wanted to extract the values from them in a loop.  Having done some
Ruby meta-programming in past,  but suffering from an increasingly
poor memory in my dotage,  I jotted down "eval($ + i.to_s)", which
failed.

Su Zhang on this thread corrected my error: "put the & in quotes",
along with alternatives.  Problem solved.

Happily, I received a number of other approaches, which I saved
because I love to employ programmatic ways to avoid repetitive program
code.  And now I have the good fortune of getting a bunch of clever
alternatives from you, which I will store with my other gifts.

Since my original problem has been solved,  I'm going to keep on
pushing my project forward.  But I treasure these gifts and promise to
employ them in my continuation education in art of Ruby programming.

Best wishes,
Richard

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