[#362083] Teaching Programming Languages (including Ruby) — Samuel Williams <space.ship.traveller@...>

Hello,

20 messages 2010/05/02

[#362098] Main working window for Ruby is DOS? — Kaye Ng <sbstn26@...>

I know nothing about programming and am not a techy person, so please

16 messages 2010/05/03

[#362116] School teacher still at it learning programming language — Hilary Bailey <my77elephants@...>

Now I while glimpsing at the beauty of Ruby, there is the software of

11 messages 2010/05/03

[#362166] Something I expected to work, but didn't! — Kurtis Rainbolt-greene <kurtisrainboltgreene@...>

irb(main):001:0> x = 2

11 messages 2010/05/04

[#362215] for-in vs. map closures — Mike Austin <mike_ekim@...>

I was experimenting with closures and JavaScript's and Ruby's

11 messages 2010/05/05

[#362286] ri on sqlite — Intransition <transfire@...>

What do others think of a creating a new ri tool which uses a SQLite

17 messages 2010/05/06

[#362341] ease of porting (translating) ruby to C (vs. python)? — bwv549 <jtprince@...>

In a very small bioinformatics group I know of, they are deciding

17 messages 2010/05/07

[#362375] Strings iteration — Viorel <viorelvladu@...>

I have some names like aaxxbbyy where xx is '01'..'10' and yy is also

14 messages 2010/05/08

[#362425] Any future for curses applications/toolkits like rbcurse ? — "R. Kumar" <sentinel.2001@...>

Have apps moved over to the web (or GUI) totally ? Will there be any

21 messages 2010/05/10
[#362441] Re: Any future for curses applications/toolkits like rbcurse ? — botp <botpena@...> 2010/05/10

On Mon, May 10, 2010 at 2:13 PM, R. Kumar <sentinel.2001@gmx.com> wrote:

[#362448] Re: Any future for curses applications/toolkits like rbcurse ? — "R. Kumar" <sentinel.2001@...> 2010/05/10

interface and/or the installation itself is terrible.

[#362458] Re: Any future for curses applications/toolkits like rbcurse ? — botp <botpena@...> 2010/05/10

On Mon, May 10, 2010 at 10:28 PM, R. Kumar <sentinel.2001@gmx.com> wrote:

[#362460] Re: Any future for curses applications/toolkits like rbcurse ? — "R. Kumar" <sentinel.2001@...> 2010/05/10

botp wrote:

[#362463] Re: Any future for curses applications/toolkits like rbcurse ? — "R. Kumar" <sentinel.2001@...> 2010/05/10

Strange. I cant push a gem even after yanking.

[#362452] Unit Test of method calling system() - how? — Martin Hansen <mail@...>

How can I unit test the two methods:

16 messages 2010/05/10

[#362498] In Ruby, can the coerce() method know what operator it is th — Jian Lin <blueskybreeze@...>

In Ruby, it seems that a lot of coerce() help can be done by

12 messages 2010/05/11
[#362546] Re: In Ruby, can the coerce() method know what operator it is th — Caleb Clausen <vikkous@...> 2010/05/11

On 5/10/10, Jian Lin <blueskybreeze@gmail.com> wrote:

[#362611] Re: In Ruby, can the coerce() method know what operator it is th — Colin Bartlett <colinb2r@...> 2010/05/12

On Tue, May 11, 2010 at 4:46 PM, Caleb Clausen <vikkous@gmail.com> wrote:

[#362657] Asynchronous HTTP request — Daniel DeLorme <dan-ml@...42.com>

Does anyone know how to do the following, but without threads, purely

28 messages 2010/05/13

[#362718] Range on strings. — Vikrant Chaudhary <nasa42@...>

Hi,

13 messages 2010/05/14

[#362787] class best way for getters ? — unbewusst.sein@... (Une B騅ue)

i have a class "HFSFile" initialized by a parsed string

12 messages 2010/05/15

[#362979] curl library? — Xeno Campanoli / Eskimo North and Gmail <xeno.campanoli@...>

Two questions:

14 messages 2010/05/18
[#362980] Re: curl library? — Xeno Campanoli / Eskimo North and Gmail <xeno.campanoli@...> 2010/05/18

On 10-05-18 02:35 PM, Xeno Campanoli / Eskimo North and Gmail wrote:

[#362982] Re: curl library? — Luis Parravicini <lparravi@...> 2010/05/18

On Tue, May 18, 2010 at 6:56 PM, Xeno Campanoli / Eskimo North and

[#362984] Re: curl library? — Xeno Campanoli / Eskimo North and Gmail <xeno.campanoli@...> 2010/05/18

Well, I got that -dev thing installed with apt-get, and then I tried again and

[#363027] Retrieve instance — Walle Wallen <walle.sthlm@...>

Quick question. Can I somehow retrieve the instance of the class Test in

11 messages 2010/05/19

[#363076] Scrape javascript content — Phil Mcdonnell <phil.a.mcdonnell@...>

I'm trying to scrape a page that hides some data behind a javascript

11 messages 2010/05/20

[#363115] OMG, why are there so many Strings in ObjectSpace! — timr <timrandg@...>

I was playing around looking at ObjectSpace in irb and was astounded

14 messages 2010/05/21

[#363225] Redefine a Class? — Mark T <paradisaeidae@...>

Currently this raises: superclass mismatch for class Soda (TypeError)

12 messages 2010/05/25

[#363240] Funny IO.select behaviour — Dennis Nedry <dennis@...>

I've been debugging my full screen console ruby editor.

13 messages 2010/05/25

[#363348] Ruby as Client Side Language in Web Browser (replacing JS) — "Simone R." <k5mmx@...>

Hi everybody,

17 messages 2010/05/27

[#363412] A better way to write this function? — Jason Lillywhite <jason.lillywhite@...>

Here is my attempt at Newton's second law in Ruby:

14 messages 2010/05/28

[#363417] Interrupting the evaluation of a ruby script — Emmanuel Emmanuel <emmanuel.bacry@...>

This is my problem :

12 messages 2010/05/28
[#363447] Re: Interrupting the evaluation of a ruby script — Branden Tanga <branden.tanga@...> 2010/05/28

Emmanuel Emmanuel wrote:

[#363483] Re: Interrupting the evaluation of a ruby script — Emmanuel Emmanuel <emmanuel.bacry@...> 2010/05/29

[#363426] A complete beginners question — Ant Walliams <anthonywainwright@...>

Hi there,

19 messages 2010/05/28

[#363432] Dynamic SVG with Ruby/Tk — Yotta Meter <spam@...>

The example I'm looking for in regards to ruby/SVG differs from the

14 messages 2010/05/28

[#363467] Date.today problem on linux with Ruby 1.8.6 — Jarmo Pertman <jarmo.p@...>

Hello.

10 messages 2010/05/29

[#363524] enumerator problem in 1.9.1 — Bug Free <amberarrow@...>

The following line:

19 messages 2010/05/31
[#363528] Re: enumerator problem in 1.9.1 — botp <botpena@...> 2010/05/31

On Mon, May 31, 2010 at 9:04 AM, Bug Free <amberarrow@yahoo.com> wrote:

[#363533] Re: enumerator problem in 1.9.1 — Robert Klemme <shortcutter@...> 2010/05/31

2010/5/31 botp <botpena@gmail.com>:

Re: .rb security

From: Jörg W Mittag <JoergWMittag+Ruby@...>
Date: 2010-05-30 15:25:19 UTC
List: ruby-talk #363506
Ed Gallagher wrote:
> Wondering if possible to compile a ruby script to byte code that can be
> executed in command line just as a .rb

Short answer: No, it doesn't.

(Slightly) longer answer: No, *Ruby* doesn't support storing and
loading bytecode, but most Ruby *Implementations* do. IOW: it's not
part of the Ruby Language Specification, but most Ruby Implementations
support it anyway. However, each Implementation has its own bytecode,
its own archive format and its own APIs. And, of course, some
implementations don't even *have* bytecode, so it's obviously
impossible for them to support bytecode loading.

(Much too) long answer: There is no portable bytecode specification
for Ruby, and thus also no standard way to load precompiled bytecode
archives. However, almost all Ruby implementations use some kind of
bytecode or intcode format, and several of them can dump and reload
bytecode archives.

YARV (<http://Ruby-Lang.Org/>) always compiles to bytecode before
executing the code, however that is usually only done in memory. There
are ways to dump out the bytecode to disk and to read it back *in*
(<https://GitHub.Com/Ruby/Ruby/blob/trunk/iseq.c#L438-534>).

Rubinius (<http://Rubini.us/>) also always compiles to bytecode, and
it has a format for compiled files
(<https://GitHub.Com/EvanPhx/Rubinius/blob/master/lib/compiler/compiled_file.rb>)
('.rbc' files, analogous to JVM '.class' files).

XRuby (<http://XRuby.GoogleCode.Com/>) is a pure compiler, it compiles
Ruby sourcecode straight to JVM bytecode ('.class' files). You can
deploy these '.class' files just like any other Java application.

JRuby (<http://JRuby.Org/>) started out as an interpreter, but it has
both a JIT compiler and an AOT compiler
(<https://GitHub.Com/JRuby/JRuby/tree/master/src/org/jruby/compiler/>)
('jrubyc') that can compile Ruby sourcecode to JVM bytecode ('.class'
files). Also, work is underway to create a *new*
(<https://GitHub.Com/JRuby/JRuby/blob/master/tool/compiler2.rb>)
compiler that can compile (type-annotated) Ruby code to JVM bytecode
that actually looks like a Java class and can be used from Java code
without barriers.

Ruby.NET (<http://RubyDotNETCompiler.GoogleCode.Com/>) is a pure
compiler that compiles Ruby sourcecode to CIL bytecode (PE '.dll' or
'.exe' files). You can deploy these just like any other CLI
application.

MacRuby (<http://MacRuby.Org/>) doesn't allow you to compile to 
bytecode, but it allows you to compile to *native* code.

IronRuby (<http://IronRuby.Net/>) also compiles to CIL bytecode, but
typically does this in-memory. However, you can pass commandline
switches
(<https://GitHub.Com/IronRuby/IronRuby/blob/master/Languages/Ruby/Ruby/Hosting/RubyOptionsParser.cs#L419-420>)
to it, so it dumps the '.dll' and '.exe' files out to disk. Once you
have those, they can be deployed normally, just like any other PE 
executable wherever you have an installation of .NET or Mono.

BlueRuby
(<https://SDN.SAP.Com/irj/scn/wiki?path=/display/Research/BlueRuby>)
automatically pre-parses Ruby sourcecode into BRIL (BlueRuby
Intermediate Language), which is basically a serialized parsetree.
(See *Blue Ruby - A Ruby VM in SAP ABAP*
(<https://SDN.SAP.Com/irj/scn/go/portal/prtroot/docs/library/uuid/408a9a3b-03f9-2b10-b29c-f0a3374b19d8>)
for details.)

I *think* (but I am definitely not sure) that there is a way to get
Cardinal (<https://GitHub.Com/Cardinal/Cardinal/>) to dump out Parrot
(<http://ParrotCode.Org/>) bytecode archives (PBC). (Actually,
Cardinal only compiles to PAST, and then Parrot takes over, so it
would be Parrot's job to dump and load bytecode archives.)

MRI doesn't have a bytecode.

HotRuby (<http://HotRuby.Accelart.Jp/>) and Red Sun
(<https://GitHub.Com/JonathanBranam/RedSun/>) appear to have the same
bytecode format as YARV, and they appear to be able to load bytecode,
but I am not familiar with them and can't make a definitive statement.

I am not familiar enough with tinyrb
(<http://Code.MACournoyer.Com/tinyrb/>), RubyGoLightly 
(<http://Feyeleanor.GitHub.Com/RubyGoLightly/>), SmallRuby
(<http://SWING.FIT.CVUT.Cz/projects/smallruby/>) or MagLev
(<http://MagLev.GemStone.Com/>) to make any statement about them.

jwm

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