class Shape def initialize() @blah = "" end end OR...will this work? class Shape @blah = "" def initialize() end end Also, by default, are the instance variables public or private? How do you set them as public or private? ...
def show render :text => params.inspect end What is render :text =>? What is render, :text, and the =>? Are they standard ruby? ...
From Python... s = "hello, %s. Where is %s?" % ("John","Mary") How do you do that in Ruby? ...
I have installed savon gem in windows 7 with ruby 1.8. It shows in gem list But when I give require 'rubygems' require 'savon' It gives following error NameError: uninitialized constant Savon from ./savon.rb:3 from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from C:...
I'd like to save apache logs to MySQL via ActiveRecord. In the apache log, the default time string is like: [13/Aug/2008:00:50:49 -0700] How can I convert it to a ActiveRecord :datetime type? Thanks! ...
I am building a crawler that fetches information in parallel from a number of websites in real-time in response to a request for this information from a client. I need to request specific pages from 10-20 websites, parse their contents for specific snippets of information and return this information to the client as fast as possible. I w...
I'm looking for something that will help me to internationalize an existing rails application using I18n. Ideally it would locate string constants (with parameters) and allow me to extract those into a .yml or .rb file replacing the original string with the appropriate t(...) call. Also, or alternatively, a macro to do the same on select...
The following .rb script runs fine if excuting at the script's folder: db = YAML::load(File.open('db.yml')) ActiveRecord::Base.establish_connection(db) The File.open will fail if the script is running outside the script folder. How can I supply the script's path to db.yml? Thanks! ...
Hi all I have a small problem here: I try to upload a file using SCP and Ruby to a server using a private key. The code looks like: def transfer_file(source_file, destination_file) $log.info("ScpDP: Key=#{@key}") Net::SCP.start(@host, @userName, :keys => @key ) do |scp| scp.upload!(source_file,@folder + destination_f...
In Ruby, how do you determine the nested classes of a class? ...
I'll keep it short, I've got a rails app which communicate with other apps, some using SOAP (non-rails apps of course...) and others with REST. I'm making integration tests to ensure that my endpoint wrapper classes have correct mappings and setup. However, they are executed by default by rake test which makes it slow and fragile. I wish...
I need to sync MS Exchange's contacts with my Ruby on Rails application. Which is the best way? Would you recommend any existing gems for it? ...
I'm trying to do something like so: link_to_unless_current "Inbox", messages_path(:inbox => true) But, it seems that link_to_unless_current only works if I go to "http://localhost/messages" and not "http://localhost/messages?inbox=true" (i.e. it doesn't give a link for the latter which is correct, but it does for the former which is i...
I'm creating a search form that allows boolean expressions, like: "foo AND bar" or "foo AND NOT bar". Is there a library for PHP, Ruby or Java that can transform boolean expressions to a concrete syntax tree? (I could write my own lexer/parser, but I rather use something tried and tested) EDIT: To clarify, I'm not parsing arrhythmic...
I need to incorporate some scientific plot function into a program written in Ruby with wxWidgets. What's my best solution? I know that 1) PLPlot has a widget for wxWigets, but I'm not aware of any ruby bindings. 2) Python works well PLPlot and wxWigets, but I rather not rewrite the whole thing in python again. Any suggestion would be...
I am using Sinatra and I am in the middle of designing some models. My dilemma is that the model is a File and the best name really is just File. I also need a FileStreamer class related to this specific file, which name is also in use. What is the best approach for this design? Can I namespace these classes by nesting them in the same...
Hello all, Here is my Test model code: require 'rubygems' require 'composite_primary_keys' class VamTest < ActiveRecord::Base set_table_name 'tests' set_primary_keys :service, :host end This is the stacktrace I get when I run the following: >> VamTest.all VamTest.all ArgumentError: wrong # of arguments(0 for 1) from C:/jruby...
Hello guys. How can I remove rvm (ruby version manager) from my system? ...
I was curious what that meant in general. But here is the specifics.. I'm doing a sortable jquery project, that touches this rails action : def update_order params[:media].each_with_index do |id, index| media = @organization.media.find(id) media.do_not_touch = true media.update_attribute('position', index+1) end if par...
Something like: def foo(&b1, &b2) b1.call b2.call end foo() { puts "one" } { puts "two" } ...