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  • Ruby Exception or Error?

    - by Ell
    I have noticed that in the Ruby exception hierarchy, there are "errors" such as ArgumentError and there are "exceptions" such as SignalException. Is there a certain practise of naming exceptions? thanks in advance, ell.

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  • Ruby: Continue a loop after catching an exception

    - by Santa
    Basically, I want to do something like this (in Python, or similar imperative languages): for i in xrange(1, 5): try: do_something_that_might_raise_exceptions(i) except: continue # continue the loop at i = i + 1 How do I do this in Ruby? I know there are the redo and retry keywords, but they seem to re-execute the "try" block, instead of continuing the loop: for i in 1..5 begin do_something_that_might_raise_exceptions(i) rescue retry # do_something_* again, with same i end end

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  • How to generate a unified diff in Ruby?

    - by jstayton
    After reading through this question about Ruby diff packages, I'm still not sure how to generate a unified diff from two text files. I'm not having trouble reading each file into a string (IO.read()), but I'm not finding any package that can generate a unified diff. Does one exist? Is doing a system call to diff even an option I should consider? (I'm thinking no.) Any help is appreciated! Thanks.

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  • 'SSL not supported' when calling https web service in Ruby

    - by shaleo
    I am trying to run the following code to call a webservice from ruby but get an error 'SSL not supported'. I have httpclient 2.1.5.2 installed. require 'soap/wsdlDriver' def validate_certificate(is_ok, ctx) cert = ctx.current_cert unless (cert.subject.to_s == cert.issuer.to_s) #check the server certificate only is_ok &&= File.open(file_name).read == ctx.current_cert.to_pem end is_ok end def test_webservice wsdl = "https://.../service.wsdl" driver = SOAP::WSDLDriverFactory.new(wsdl).create_rpc_driver driver.options['protocol.http.ssl_config.verify_callback'] = method(:validate_certificate) driver.method(params) end

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  • Ruby/IRB self help

    - by mozillalives
    I'm new to Ruby - what tricks can I use to help me find documentation on a object I'm working with? Normally I just do a_var.class or a_var.methods and try to guess what I need or search the web for documentation. Are there other methods or modules that might help?

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  • Enums in Ruby

    - by auramo
    What's the best way to implement the enum idiom in Ruby? I'm looking for something which I can use (almost) like the Java/C# enums.

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  • which ruby twitter library/gem to use?

    - by Radek
    there is a list of ruby gems for twitter could anybody recommend me one that is good to start to learn/use? that have some history of development etc etc? I want to the stuff below on my linux box search for keywords and follow autofollow rewteet

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  • Ruby library for Flickr API?

    - by rubayeet
    Is there a solid, production ready library in Ruby that interacts with the Flickr API? I found a few by googing, but their states don't impress me much. I'm looking for something along the lines of flickrapi for Python, with nice documentation.

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  • How to organize a Shoes Ruby app?

    - by luca
    can I have some examples of how you organize your Shoes apps? I mean, simply using a Shoes.app{} block and instance variables is clumsy.. I'd like to achieve a MVC like structure.. I'm used to it (from rails, FLEX frameworks and others..) and would like to recreate something similar..

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  • Ruby Large HTML getting error, limit to header size

    - by Joe Stein
    def mailTo(subject,msg,folks) begin Net::SMTP.start('localhost', 25) do |smtp| smtp.send_message "MIME-Version: 1.0\nContent-type: text/html\nSubject: #{subject}\n#{msg}\n#{DateTime.now}\n", '[email protected]', folks end rescue => e puts "Emailing Sending Error - #{e}" end end when the HTML is VERY large I get this exception Emailing Sending Error - 552 5.6.0 Headers too large (32768 max) how can i get a larger html above max to work with Net::SMTP in Ruby

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  • ruby socket programming using credentials

    - by satya
    HI folks, I'm trying to establish connection to a remote server using ruby socket connection TcpSocket. I started with TcpSocket.new(port,host) Now, How do I pass the credentials to it. The remote server needs credentials to allow me to connect. Any help is very much appreciated. Thanks

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  • RVM Ruby 1.9.1 troubles

    - by Casper
    Trying to get Ruby 1.9.1 up and running with RVM on a fresh install(fedora). So after doing rvm install 1.9.1, the rubygems error logs show that zlib can't be located no such file to load -- zlib (LoadError) However both the zlib runtime and development libraries are installed and up-to-date, So I'm kinda stumped on this one at the moment. Any suggestions?

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  • Updating and Editing Google Contacts - Ruby Gem

    - by Kyle
    I'm attempting to interact with the Google contacts API through Rails via and oauth-plugin. I need to retrieve and update Google contacts. I know that the portablecontacts gem will retrieve contacts, but does not allow for adding or updating. I was wondering if anyone knew of a gem that will handle this type of interaction. If not what would be the best method to implement a gem that would make it easier to handle the responses.

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  • Understanding ruby array sort

    - by user257797
    I am having a problem understanding how array.sort{|x,y| block} works exactly,hence how to use it? ruby-doc example: a = [ "d", "a", "e", "c", "b" ] a.sort #=> ["a", "b", "c", "d", "e"] a.sort {|x,y| y <=> x } #=> ["e", "d", "c", "b", "a"] thanks

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  • Why ruby has to_s and inspect?

    - by prosseek
    The p calls inspect, and puts/print calls to_s for representing its object. If I run class Graph def initialize @nodeArray = Array.new @wireArray = Array.new end def to_s # called with print / puts "Graph : #{@nodeArray.size}" end def inspect # called with p "G" end end if __FILE__ == $0 gr = Graph.new p gr print gr puts gr end I get G Graph : 0Graph : 0 Then, why does ruby has two functions do the same thing? What makes the difference between to_s and inspect? If I comment out the to_s or inspect function, I get as follows. ##

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  • Understanding Ruby class vs instance methods

    - by randombits
    I have the following code: #!/usr/bin/ruby class Person def self.speak p = self.new puts "Hello" p.chatter end private def chatter puts "Chattering" end end p = Person.new Person.speak I'd like to make chatter private, accessible only within p.. but I want p to be able to access it within the class method. Is there a better way to design this so chatter isn't available to the public, but a "factory" method like self.speak can call chatter?

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