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• Ruby SOAP::RPC::Driver seeing the generated soap request

  - by ssmithstone

  I'm using ruby's WSDLFactory to create an rpc driver to access the paypoint soap service and i need to see what xml request is being generated is there a way to do this code or should i try and use something like ethereal

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• Ruby on Rails - jrails not site wide

  - by Hamish

  Is it possible to configure jrails so that it only replaces the ruby on rails helper methods for some parts of the site? I am currently in a project where we are doing a staggered migration to jQuery so the site wide choice is not an option in this case.

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• Editor Ruby and RoR on Ubuntu 9.10

  - by Anry

  I'm starting to program in Ruby and Rails. Which editor is best to use? My OS is Ubuntu 9.10.

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• Using ASP.NET c# with Sketchup Ruby Extension

  - by Tad Carter

  I'm an ASP.NET c# developer using VS2010 as my development platform. I am interested in accessing Sketchup models using a web form interface. Has anyone done this? I am looking for a simple "Hellow World" web application that uses the Ruby Extension model.

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• Getting output of system() calls in ruby

  - by Macha

  If I call a command using system() in ruby, how do I get it's output? e.g. system("ls")

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• Ruby program with the largest ratio of output length to program length

  - by Horace Loeb

  The program print "hi" contains 10 characters and outputs a string with length 2. Therefore its ratio of output length to program length is 2/10. My question is what Ruby program has the largest output length to program length ratio (For program length let's only count non-whitespace characters (i.e., it's easy to minify a program))

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• ruby write newline character to file but do not interpret as a true newline

  - by thomas

  I am trying to write a ruby string to a file in such a way that any newline characters embedded in the string remain embedded. This is being written out to a file which will then be processed by another tool. An example is below. I want this: 1 [label="this is a\ntest"] \n (second \n is a true newline) I have tried this: string = '1 [label="this is a\ntest"]' + "\n" Any thoughts?

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• Making Environment Changes Stick in Ruby Scripting

  - by yar

  Here is my script #!/usr/bin/env ruby if __FILE__ == $0 `cd ..` end which runs fine, but when it exits, I'm back where I started. How can I "export" the changes I've made to the environment?

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• Hibernate CRUD à la Ruby on Rails' Scaffolding

  - by schonarth

  Guys, Do you know of any tool that would do like Ruby on Rails' Scaffolding (create simple CRUD pages for any particular class to allow quickly populating a database with dummy data), only which used Java classes with Hibernate for database access, and JSP/JSF for the pages? It is a drag when you are programming one part of an application, but need data that can only be added with another part that is not ready yet, or very cumbersomely by directly inserting it into the DB.

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• Running Java, Python, Ruby and Perl programs in .NET

  - by Arjun Vasudevan

  I've .NET framework 3.5 installed in my laptop. Just .NET alone, no Visual Studio. How can I run Java, Python, Ruby and Perl programs from the console? What are the commands used for running them? Do I need to install something else also, for running these language files?

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• Ruby: opening files relative to home directory

  - by Peter

  In Ruby, the following fails with Errno::ENOENT: No such file or directory, even if the file exists: open('~/some_file') However, you can do this: open(File.expand_path('~/some_file')) Two questions: Why doesn't open process the tilde as pointing to the home directory? Is there a slicker way than using File.expand_path?

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• remainder application in ruby

  - by nani

  i want to send develop a web app in ruby on rails . which wil send the remainder to the mail and mobile tooo . can some body help me out thanks in advance

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• accept_nested_attributes_for in Rails 2.3.5 and Ruby 1.9.1

  - by jaycode

  Has accept_nested_attributes_for already works with Rails 2.3.5 and Ruby 1.9.1???? I keep getting this error undefined method accept_nested_attributes_for' for #<Class:0x00000108da2140>

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• Parsing a UTF-16 encoded xml file in ruby

  - by Matthew Toohey

  Hello I've been trying to parse a UTF-16 encoded xml file in Ruby (1.8.7), and I can't seem to find how to do it by searching (google and stack overflow) Here's the xml file url: http://www.abc.net.au/triplej/feeds/playout/triplejsydneyplayout.xml?_5366 Getting the xml string from Net::HTTP and passing it to REXML, then calling logger.info xmlDoc.inspect produces: <UNDEFINED> ... </> Any ideas? Cheers

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• Error in rounding off values using .round in Ruby

  - by Shreyas Satish

  The following piece of code works perfectly in script/console but returns the following error when i compile the same in a ruby script.: :in `round': wrong number of arguments (1 for 0) (ArgumentError) tf={"ph"={0=1.33333333333333, 1=1.5}, "fee"={0=1.66666666666667}, "test"={0=1.16666666666667, 1=1.25}, "what"={0=2.0, 1=2.0}, "for"={0=1.5}, "is"={0=1.83333333333333, 1=1.75}} tf.each{|k,v| v.each{|k1,v1| tf[k][k1]=(v1.round(5))}} Any Ideas ? Cheers !

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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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• Get the name of the currently executing method in Ruby

  - by salt.racer

  So $0 is the env variable for the top level Ruby program ... but is there one for the current method?

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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 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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• 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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• 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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• Using UNIX linebreaks in Windows Ruby

  - by Lowgain

  Is it possible to tell Ruby in Windows to use only \n instead of r\n? I'm having an issue where a file is being saved with \r\n and it is causing it to not function properly. Is there a setting somewhere I can change to fix this?

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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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• Getting a DNS TXT record in Ruby

  - by railscoder

  I need to get the txt field from the DNS record. Is there any ruby api to do something like this? nslookup -q=txt xxxx.com Thanks

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