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Tue, 15 May 2012 07:20:49 Z

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Bienvenido a Rubylit – Ruby del litoral

Nuestro objetivo:

El lancaster estate cavite objetivo nuestro es calcul imc y formar una comunidad de desarrolladores ruby en la región del litoral.

¿Qué es Ruby ?

Ruby es un lenguaje de programación altamente dínamico y de código abierto. Dentro de sus fortalezas, el behavioral targeting lenguaje Ruby permite una gran productividad del programador gracias a stun gun un enfoque hacia la simplicidad y el principio de la menor sorpresa.

¿Quiénes somos?

Somos un grupo MFA Degree de rubystas unidos ;)..
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h2. Últimas Noticias

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Cursuri

Sun, 13 May 2012 10:33:52 Z

Cursuri

Cursuri Coaching Vision entrepreneurs, leaders and individuals from organizations to overcome their limits and unlock their potential. A Coaching training session creates the climate for change and offer participants tools to face difficulties businesses face nowadaws. More information about this technology can be found at coaching
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manifiesto

Tue, 08 May 2012 18:29:01 Z

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Contenido

manifiesto
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Nosotros, los Rubystas del Litoral Argentino unidos por el interés de usar y difundir ruby en la región declaramos.

Hacemos este sitio con los propositos de: generar documentación, generar una comunidad de programadores.
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Noticias

Fri, 04 May 2012 13:48:49 Z

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uso de Check Box

Sun, 29 Apr 2012 06:01:28 Z

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require "rubygems" 
require "wx" 
include Wx
class Ejemplo < App  
def on_init  
 frameEjemplo = Frame.new(nil, -1, "Ejemplo")

 @cb1 = CheckBox.new(frameEjemplo, 1, "celeste",  [20,10], DEFAULT_SIZE)
 @cb2 = CheckBox.new(frameEjemplo, 2, "blanco",   [20,40], DEFAULT_SIZE)
 @cb3 = CheckBox.new(frameEjemplo, 3, "amarillo", [20,70], DEFAULT_SIZE)
 @cb4 = CheckBox.new(frameEjemplo, 4, "rojo",     [20,100], DEFAULT_SIZE)

 @cb1.set_value(true) 
 @cb2.set_value(true)

 bt1 = Button.new(frameEjemplo, 5, "click 1",  [200, 80], DEFAULT_SIZE, BU_TOP)

 evt_button(5) { | event | 
     puts "celeste SI" if @cb1.is_checked
     puts "blanco SI" if @cb2.is_checked
     puts "amarillo SI" if @cb3.is_checked
     puts "rojo SI" if @cb4.is_checked
 }

 evt_checkbox(1) { | event | printf("estado check id 1: %s\n",@cb1.get_value)}
 evt_checkbox(2) { | event | printf("estado check id 2: %s\n",@cb2.get_value)}
 evt_checkbox(3) { | event | printf("estado check id 3: %s\n",@cb3.get_value)}
 evt_checkbox(4) { | event | printf("estado check id 4: %s\n",@cb4.get_value)}

 frameEjemplo.show()

end

end
Ejemplo.new.main_loop

bajar el código fuente del ejemplo

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uso de botones biestados

Sun, 29 Apr 2012 06:01:22 Z

Los botones biestados son los toggle buttons
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require "rubygems" 
require "wx" 
include Wx
class Ejemplo < App  
def on_init  
 frameEjemplo = Frame.new(nil, -1, "Ejemplo")

 bitmap1 = Bitmap.new("rojo.png", BITMAP_TYPE_PNG)
 bitmap2 = Bitmap.new("amarillo.png", BITMAP_TYPE_PNG)

 tb1 = ToggleButton.new(frameEjemplo, 1, "uno",   [20, 20], [40,40])
 tb2 = ToggleButton.new(frameEjemplo, 2, "dos",   [20, 70], [40,40])
 tb3 = ToggleButton.new(frameEjemplo, 3, "tres",  [70, 20], [40,40])
 tb4 = ToggleButton.new(frameEjemplo, 4, "reset", [70, 70], [50,40])

 # seteo como pulsado al boton dos
 tb2.set_value(true)

 evt_togglebutton(tb1) { | event | estado_del_boton(tb1.get_value)}
 evt_togglebutton(tb2) { | event | estado_del_boton(tb2.get_value)}
 evt_togglebutton(tb3) { | event | estado_del_boton(tb3.get_value)} 
 evt_togglebutton(tb4) { | event | 
     puts "reseteando los botones, set value _NO_ genera un evento 'evt_togglebutton'." 
     tb1.set_value(false)
     tb2.set_value(false)
     tb3.set_value(false)
     tb4.set_value(false)
 } 

 frameEjemplo.show()
end

def estado_del_boton(bandera)
    if bandera
        puts "está pulsado" 
    else
        puts "está levantado" 
    end
end
end
Ejemplo.new.main_loop

Las imágenes usadas en el ejemplo se pueden generar con un programa similar al siguiente:

require 'RMagick'
include Magick

f = Image.new(50,28) { self.background_color = "yellow" }

f.write("amarillo.png")

tips Emacs

Sun, 29 Apr 2012 06:00:42 Z

Reeplazar Enter por nada:

 M-x
 query-replace
 C-q C-j <enter>
 <enter>

Configurar posicionamiento al inicio

 (set-frame-position (selected-frame) 100 10)
 (set-frame-height (selected-frame) 48)
 (set-frame-width (selected-frame) 100)

query-replace-regexp

1. M-x que
2. tab completion until you have M-x query-replace-regexp
3. Enter
4. Prompt changes to Query replace regexp: Type regex. e.g. Query replace regexp: <img\([^>]+\)>. eMacs requires escaping parentheses. Hit Return
5. Prompt changes to Query replace regexp: <img\([^>]+\)> with: Type regex replace e.g. Query replace regexp: <img\([^>]+\)> with:\1
6. Enter for interactive search and replace.

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car-shipping

Sun, 29 Apr 2012 06:00:33 Z

Car shipping is the auto transport of a vehicle from a seller in one place to a buyer in another place. This includes country to country shipping as well as state to state shipping. Auto transport and shipping was largely a commercial activity conducted by dealers, manufacturers and brokers until the last ten to fifteen years. The explosion of Internet use has allowed this niche service to grow and reach the general consumer marketplace.

Before the Internet ###
Prior to the Internet, people had to purchase cars from local dealers due to the difficulty in transporting a vehicle from its point of origin to the purchaser’s place of residence. While freight businesses did exist, this method of transporting a vehicle was generally expensive and not cost efficient. Freight shipping is still based on increments of weight, and can cost you quite a bit more than a specialized car transport company that charges based on distance or other basis. Due to this cost, the shipment of automobiles was restricted to those who had the money to purchase both the car and the transport.

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Advances from the Internet ###
This car shipping industry has grown explosively since the advent of the Internet. People are now able to purchase cars from anywhere in the world and have them shipped to their doorstep. In fact, more and more dealerships are marketing online towards people from all over the world. Even the small used car dealers are selling cars online. These businesses are finding that these online sales are accounting for more and more of their profits. Ebay and other online market places have provided customers with an endless supply of choices. People can now search online to find the perfect car, both new and used. Collectible cars make up a large portion of the cars that are purchased via the Internet. Because rare and collectible cars are limited,lancaster estate cavite people have turned to the Internet to find the car of their dreams. In most cases, the car that they want is not local, and the person must find a way to transport the vehicle. Because of this need, car transport companies have come into the picture.

Car transportation ###
There are basic steps that each consumer must take when moving a car. When a car is shipped, it is loaded onto a carrier. This carrier is what transports a vehicle to a new place. Before shipping, each car must be subjected to records and search engine marketing inspections. Records of damage and other markings of a vehicle are kept so that a company is not liable for damage that did not occur during transport.

Tic Tac Toe

Sun, 29 Apr 2012 06:00:10 Z


#!/usr/bin/env ruby
#
# tictactoe.rb - Tic Tac Toe for Ruby/Gtk
# 
# Written by Daniel Lichtenberger, 06/2002
# contact: daniel.lichtenberger{at}gmx.net
#
# Project homepage: http://perplex.schmumpf.de/dev/tictactoe/ruby
#
# Patched for Gtk2 by Rafael Bidegain, 11/2007
# contact: r.bidegain{at}gmail.com
#
#***************************************************************************
#*                                                                         *
#*   This program is free software; you can redistribute it and/or modify  *
#*   it under the terms of the GNU General Public License as published by  *
#*   the Free Software Foundation; either version 2 of the License, or     *
#*   (at your option) any later version.                                   *
#*                                                                         *
#***************************************************************************

Bajar el código fuente de tres en línea (tictactoe)

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Layout

Sun, 29 Apr 2012 05:59:55 Z

El siguiente ejemplo muestra el uso del widget Layout en Ruby GTK.

Y como Nobleza obliga debo decir que el ejemplo fue copiado completamente de este sitio.
http://www.pygtk.org/pygtk2tutorial/sec-Layout.html

Solo hice traducciones de los comentarios, en algunos casos los amplié muy poco y el resto es migración de python a ruby.

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require 'gtk2'

# inicio gtk, es comun olvidarse de esta linea.
Gtk.init

# creo una ventana "top level", con titulo y de 300x300
window = Gtk::Window.new(Gtk::Window::TOPLEVEL) 
window.set_title("Ejemplo de Layout")
window.set_default_size(300, 300)

#defino el método para cerrar la ventana
window.signal_connect( "delete_event" ) { Gtk.main_quit }

# creo una tabla y la pongo en la ventana
table = Gtk::Table.new(2, 2, false)
window.add(table)

# creo el layout y lo pongo en la tabla
# se debe notar que el layout está en la primer celda de la tabla
layout = Gtk::Layout.new(nil, nil)
layout.set_size(600, 600)
table.attach(layout, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND,
    Gtk::FILL|Gtk::EXPAND, 0, 0)

# creo el scrollbar vertical y lo pongo en la segunda celda de la primera fila
vScrollbar = Gtk::VScrollbar.new(nil)
table.attach(vScrollbar, 1, 2, 0, 1, Gtk::FILL|Gtk::SHRINK,
    Gtk::FILL|Gtk::SHRINK, 0, 0)

# creo el scrollbar horizontal y lo pongo en la primer celda de la segunda fila
hScrollbar = Gtk::HScrollbar.new(nil)
table.attach(hScrollbar, 0, 1, 1, 2, Gtk::FILL|Gtk::SHRINK,
    Gtk::FILL|Gtk::SHRINK, 0, 0)

# seteo los ajustes de la scrollbar vertical
vAdjust = layout.vadjustment
vScrollbar.set_adjustment(vAdjust)

# seteo los ajustes de la scrollbar horizontal
hAdjust = layout.hadjustment
hScrollbar.set_adjustment(hAdjust)

#hAdjust = Gtk::Adjustment.new(5, 1, 10, 1, 0, 0)

# creo tres botones y los pongo en el Layout
button = Gtk::Button.new("Clic")
button.signal_connect( "button_press_event", Gdk::Event::BUTTON_PRESS ) { 
    print "Clic\n" 
}
layout.put(button, 0, 0)

button = Gtk::Button.new("Clic")
button.signal_connect( "button_press_event", Gdk::Event::BUTTON_PRESS ) { 
    print "Clic\n" 
}
layout.put(button, 100, 0)

button = Gtk::Button.new("Clic")
button.signal_connect( "button_press_event", Gdk::Event::BUTTON_PRESS ) { 
    print "Clic\n" 
}
layout.put(button, 200, 0)

#muestro todo lo que puse en la ventana
window.show_all

#run!
Gtk.main

Gaston Ramos

Sun, 29 Apr 2012 05:59:28 Z

Bueno soy Gastón Ramos trabajo como desarrollador web y en mis tiempos libres toco la guitarra.

blog: http://gastonramos.wordpress.com/ link:resume help.
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Empaquetando con VBox y HBox

Sun, 29 Apr 2012 05:59:10 Z

Es una algo habitual en un programa Ruby GTK agrupar (empaquetar) widgets con cajas horizontales y/o verticales.

la api especifica que para crear una caja se dispone del metodo new con los siguientes parametros


Gtk::HBox.new(homogeneous = false, spacing = nil)

El primer parametro acepta valores true o false, y se utiliza para determinar si todos los widgets que agreran a la caja tendran el mismo tamaño.
El segundo parametro es para especificar el espaciado entre los widgets.

El siguiente programa que ilustra distinas posibilidades utilizando vbox, hbox y labels.

A los lectores particularmente curiosos les puede resultar interesante la opción del menu “Cambiar Posición” ya que no hay mucha documentación en la web de como acceder a las “Child Properties”


require 'gtk2'

class Mi_app < Gtk::VBox
    def initialize()
        super()
        # Create the menubar
        menubar = Gtk::MenuBar.new
        pack_start( menubar, false, false, 0)

        # Create our toplevel menuitem
        top_menu = Gtk::MenuItem.new( "Sistema" )
        menubar.append( top_menu )

        menu = Gtk::Menu.new
        item = Gtk::MenuItem.new( "Cambiar posición" )
        menu.append( item )
        item.signal_connect( "activate" ) { |widget, event, y| 
            mi_metodo
        }

        item = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT)
        menu.append( item )
        item.signal_connect( "activate" ) { |widget, event, y| 
#            ilogo = Gdk::Pixbuf.new("logo-joshua.png",40,40)

            acerca_de = Gtk::AboutDialog.new()
            acerca_de.name = "App Base" 
            acerca_de.website = "http://www.rubylit.com.ar" 
            acerca_de.copyright="2007, Rafael Bidegain" 
            acerca_de.authors = ["Rafael Bidegain"]
            acerca_de.license = "GPL V3 o superior" 
            acerca_de.version = "1.0" 
#            acerca_de.logo = ilogo
            acerca_de.run
        }

        separador = Gtk::SeparatorMenuItem.new()
        menu.append( separador )

        item = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT)
        menu.append( item )
        item.signal_connect( "activate" ) { |widget, event, y| 
            Gtk.main_quit 
        }
        top_menu.set_submenu( menu )

        # --------------------------------------------        
        # poner a partir de acá los widgets de la app
        # --------------------------------------------
        vbox = Gtk::VBox.new(true, nil)

        @hbox1  = Gtk::HBox.new(false, 0)
        hbox2  = Gtk::HBox.new(false, 0)
        hbox3  = Gtk::HBox.new(false, 0)
        hbox4  = Gtk::HBox.new(false, 0)

        sep1    = Gtk::HSeparator.new()
        sep2    = Gtk::HSeparator.new()
        sep3    = Gtk::HSeparator.new()

        @l1a = Gtk::Label.new("|-|")
        l2a = Gtk::Label.new("|--|")
        l3a = Gtk::Label.new("|---|")
        l4a = Gtk::Label.new("|----|")
        l5a = Gtk::Label.new("|-----|")
        @hbox1.pack_start(@l1a, true, true)
        @hbox1.pack_start(l2a, true, true)
        @hbox1.pack_start(l3a, true, true)
        @hbox1.pack_start(l4a, true, true)
        @hbox1.pack_start(l5a, true, true)

        l1b = Gtk::Label.new("|-|")
        l2b = Gtk::Label.new("|--|")
        l3b = Gtk::Label.new("|---|")
        l4b = Gtk::Label.new("|----|")
        l5b = Gtk::Label.new("|-----|")
        hbox2.pack_start(l1b, true, false)
        hbox2.pack_start(l2b, false, false)
        hbox2.pack_start(l3b, false, false)
        hbox2.pack_start(l4b, false, false)
        hbox2.pack_start(l5b, false, false)

        l1c = Gtk::Label.new("|-|")
        l2c = Gtk::Label.new("|--|")
        l3c = Gtk::Label.new("|---|")
        l4c = Gtk::Label.new("|----|")
        l5c = Gtk::Label.new("|-----|")
        hbox3.pack_start(l1c, false, false)
        hbox3.pack_start(l2c, true, false)
        hbox3.pack_start(l3c, false, false)
        hbox3.pack_start(l4c, false, false)
        hbox3.pack_start(l5c, false, false)

        l1d = Gtk::Label.new("|-|")
        l2d = Gtk::Label.new("|--|")
        l3d = Gtk::Label.new("|---|")
        l4d = Gtk::Label.new("|----|")
        l5d = Gtk::Label.new("|-----|")
        hbox4.pack_start(l1d, true, false)
        hbox4.pack_start(l2d, true, false)
        hbox4.pack_start(l3d, false, false)
        hbox4.pack_start(l4d, false, false)
        hbox4.pack_start(l5d, false, false)

        vbox.pack_start(@hbox1, false, false)
        vbox.pack_start(sep1, true, true)
        vbox.pack_start(hbox2, false, false)
        vbox.pack_start(sep2, true, true)
        vbox.pack_start(hbox3, false, false)
        vbox.pack_start(sep3, true, true)
        vbox.pack_start(hbox4, false, false)

        pack_start( vbox, false, false, 0)
    end
    def mi_metodo()
        if @hbox1.child_get_property(@l1a,'position') == 0
            @hbox1.reorder_child(@l1a,2)
        else
            @hbox1.reorder_child(@l1a,0)
        end
    end
end

class Viewer < Gtk::Window
  def initialize()
    super()
    set_title("App Base") 
    set_window_position(Gtk::Window::POS_CENTER)
    signal_connect("delete_event") { |i,a| Gtk::main_quit }
    set_default_size(250, 250)
    add(Mi_app.new)
  end
end

Gtk.init()

view = Viewer.new
view.show_all

Gtk.main()

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Calculadora

Sun, 29 Apr 2012 05:58:54 Z


#!/usr/bin/env ruby
#
# gktcalc.rb - Calculator for Ruby/Gtk
#
# written by Kazunori Akaishi 
# contact: akaishi@ruby.freak.ne.jp
# Home page: http://ruby-gnome.sourceforge.net/programming/calc.html
#
# Patched for Gtk2 by Rafael Bidegain, 11/2007
# contact: r.bidegain@gmail.com
#
#################################################################

bajar el código fuente de la calculadora

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4shared

Sun, 29 Apr 2012 05:58:45 Z

4shared MP3 Video Download Free website, penyimpanan file dan layanan berbagi di papan tulis. Didirikan pada tahun 2005. 4shared adalah salah satu dari file-hosting website terbesar di dunia, 317 terabyte file data dan tersedia setiap hari selama lebih dari 11 juta pengguna per hari.

Para pengguna 4Shared dapat meng-upload, menyimpan dan men-download file musik, video, foto, dokumen dan semua jenis file lainnya seperti MP3, WAV, 3GP, WMV, FLV, JPG, GIF, PNG, zip, rar, gz, txt, doc , xls, docx, dan file lainnya. Fitur ini memungkinkan pengguna untuk meng-upload file hingga 500 MB, dan kapasitas untuk pengguna 5 GB ruang disk kosong 15 GB pelanggan Premium. Setiap file disimpan untuk mendapatkan URL unik sebagai URL disimpan dalam file.

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File upload disimpan dalam log pengguna ke account Anda setidaknya sekali setiap 30 hari, atau disimpan dalam file yang anda download setiap 30 hari. User interface yang mirip dengan fitur standar dari Windows Explorer.

Karena jumlah kapasitas yang tersedia 4shared menjadikannya salah satu tempat favorit saya untuk menyimpan file multimedia seperti MP3 atau video. MP3 dan video 4Shared 4Shared adalah pencarian paling umum, misalnya, lagu Indonesia terbaru dan sebagainya.

4shared seluruh dunia dapat integrasi account, seperti penebangan di twitter atau favorit FB adalah tidak tersedia.

Anonymous Coward

Sun, 29 Apr 2012 05:57:20 Z

And if you see that have come it is time about to put up reception money..
Two or more uppercase words stuck together (Gemscool) or any phrase surrounded by double brackets is a wiki word. A camel-case wiki word can be escaped by putti nisn g \ in front of it.

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