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• Ruby tutorial for experienced programmers

  - by Skillwired

  I'm looking for a Ruby tutorial which would be usable for Java programmers with 8+ years of experience. I don't need another tutorial which explains basic programing/OOP/OOD concepts (inheritance, polymorphism, encapsulation, classes, constructors, hashes, etc.), just a fast-track tutorial (or even a reference?) which could tell us how to do…

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• Using a Windows Form with Ruby

  - by Gil Milow

  Is it possible to create a form on Windows using Ruby? I have a Ruby script and I would like to have an input form to ask for a user's password, then use this in the rest of my script. update: I have successfully done this with wxRuby, although it looks ugly. Shoes looks promising, I might look into that if I need to do this again..

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• Camel-like integration component for Ruby

  - by Matthias Hryniszak

  Hi, I'm in need to get some integration work done in my ruby application. My main focus is web services and ActiveMQ integration (the systems I'm going to connect to are mainly written in Java). I was wondering if there's something that resembles the capabilities of Camel in Ruby? All I need is something that'll let me define routing…

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• Ruby Mobile Ports

  - by Nathan Campos

  I'm now learning Ruby because I saw it's a very powerfull language, but now I want to know what mobile ports of Ruby we have and for what devices. PS: I have a HTC S711, HP iPAQ Hx2, Nokia E61, Nokia N95, Palm T|X, Palm Z22, HP Jornada 720..., it's better if I can use it on these platforms, but I'm open to buy other devices, as I'm a…

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• Ruby data structure to render a certain JSON format

  - by dt

  [{"id":"123","name":"House"}, {"id":"1456","name":"Desperate Housewives"}, {"id":"789","name":"Dollhouse"}, {"id":"10","name":"Full House"} ] How can I render to produce this JSON format from within Ruby? I have all the data from the DB (@result) and don't know what data structure to use in Ruby that will render to this when I do…

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• Ruby Canvas (GUI)

  - by Eugene

  Hi dear community! I need draw some lines/circles/rect/etc from ruby into something like canvas. I tried wxRuby and fxRuby but they are have no good examples to draw simple lines. Just tried to install qtruby on Windows and its fall cause of some number of errors. So: 1) Which API for ruby to draw on canvas I need? 2) Give me a…

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• Converting regex statment for sentance extraction to Ruby

  - by DavidP6

  I found this regex statement on the wiki (http://en.wikipedia.org/wiki/Sentence_boundary_disambiguation) for Sentence boundary disambiguation, but am not able to use it in a Ruby split statment. I'm not too good with regex so maybe I am missing something? This is statment: …

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• Ruby refactoring in VIM

  - by fregas

  Hi, I'm a big fan of Resharper in visual studio. It has some awesome refactoring tools, similar to what you get in Ecplipse for Java. Is there anything like this for Ruby? Better yet, is there a plugin or something into VIM that does refactoring for Ruby code like…

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• jRuby and Matz's Ruby on the same machine?

  - by erhard

  Is it possible to run jRuby and native ruby on the same machine? For example installing rake or gem under both it find's Matz Ruby extensions /usr/bin/gem or /usr/bin/rake The MRI gems and jruby gems are mixed up. Is there any experience in that constellation ? …

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• What's the Ruby equivalent of Python's output[:-1]?

  - by Thierry Lam

  In Python, if I want to get the first n characters of a string minus the last character, I do: output = 'stackoverflow' print output[:-1] I can do the above in Ruby with: output = 'stackoverflow' output.reverse[1..output.length] Is there another way to…

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• vampires == ruby devs and werewolves == ??

  - by Hanseh

  I've encountered a thread in one of the zend articles comparing Ruby developers to vampires == ruby == red == blood. Then mentioned something about werewolves? I'm just a bit inquisitive on what are werewolves compared to??

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• floating point precision in ruby on rails model validations

  - by Chris Allison

  Hello I am trying to validate a dollar amount using a regex: ^[0-9]+\.[0-9]{2}$ This works fine, but whenever a user submits the form and the dollar amount ends in 0(zero), ruby(or rails?) chops the 0 off. So 500.00 turns into 500.0 thus failing the regex…

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• Image processing with barehands-ruby

  - by Erik Escobedo

  I want to know how to open and manipulate a simple image file in Ruby language. I don't need to do any advanced stuff, just things like open(), get_pixel() and put_pixel() and I don't wanna use any gem for doing that, but just to know the barehands-ruby…

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• Ruby encoding problem

  - by Fossmo

  I'm just starting to learn Ruby and have a problem with encoding; require 'rubygems' require 'mechanize' agent = Mechanize.new agent.get('myurl.....') agent.page.search('#reciperesult a').each do |item| c = Mechanize.new …

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• How to assert on number of html table rows in ruby using capybara + cucumber

  - by Neil

  I am trying to get to grips with BDD web development in Ruby using cucumber + capybara and I am stuck at what should be an easy task - just to check the number of rows in a table. Something along the lines of: page.should…

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• How to output binary data to a socket with Ruby

  - by Earlz

  Hello I have a very simple HTTP ruby server. I want it to simply server a PNG image. So I sent headers like image/png but I think that Ruby is converting the image data to a string first. Here is my relevant code …

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• mingw32 Ruby Installer for Windows

  - by srboisvert

  How good is the new Ruby Installer for Windows? I asked before about why Ruby was so slow on windows and now I've seen some impressive benchmarks showing marked speed improvements with the minGW compilation used in…

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• calling ruby with ajax

  - by danwoods

  Hello all, I'm wanting to check a ruby session variable via ajax. I'm familiar with ajax calling php, is calling a ruby file similar?

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• Rsync: pure Ruby implementation?

  - by peter

  I have a Rsync program Deltacopy with an executable as client and server but would like to replace this if possible with a pure Ruby implementation of Rsync. I found gems like six-rsync and rsync-update but they…

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• Python or Ruby for webbased Artificial Intelligence?

  - by Pieter Kubben

  A new web application may require adding Artificial Intelligence (AI) in the future, e.g. using ProLog. I know it can be done from a Java environment, but I am wondering about the opportunities with modern web…

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• Method to parse HTML document in Ruby?

  - by Harish

  like DOMDocument class in PHP, is there any class in RUBY (i.e the core RUBY), to parse and get node elements value from a HTML Document.

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• Best Editor or IDE for Ruby?

  - by Prakash

  I've heard so much about Textmate - The Missing Editor for Mac and that it is the best one for Ruby. What is your choice? And what is the best Ruby editor on Windows? E?

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• Running a Ruby Program as a Windows Service?

  - by Kyle Burton

  Is it possible to run a ruby application as a Windows Service? I see that there is a related question which discusses running a Java Application as a Windows Service, how can you do this with a Ruby…

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• main vs initialize in Ruby

  - by Dave

  Okay, so I've looked through a couple of my ruby books and done some googling to no avail. What is the difference between main and initialize in Ruby? I've seen code that uses class Blahblah …

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• Ruby in DOS CLI, How to do?

  - by Daniel

  I see in a lot of the tutorials and how to pages, they use the following, or something similar ruby C:\test.rb Which would parse test.rb to the interpreter and ... execute the script. But how is…

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