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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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  • '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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  • 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: 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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  • 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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  • 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 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 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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  • 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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  • Ruby on Rails solution for scrubbing data of WYSIWYG editor user input

    - by Jimmy
    Hey everyone, I am working on a simple blogging type ruby on rails application and I have everything working through tinyMCE for a nice WYSIWYG editor so the user can add some simple things like images/youtube videos and lists. What I am looking for is a nice solution for blacklisting certain elements to be filtered out of the data when it is displayed. So is there a solution for this available as a gem or available to download anywhere? Thanks!

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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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  • 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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  • Blocks and Yields in Ruby

    - by Matt
    I am trying to understand blocks and yields and how they work in Ruby. How is a yield used and most of the rails applications use yields in a weird way. Can someone explain to me or show me where to go to understand them.

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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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  • Add foreign key constraints to existing tables in Ruby on Rails (MySQL)

    - by randombits
    What's the best way to add foreign keys to my existing tables in Rails with an underlying MySQL database? clearly the solution should be done in a migration, as I want this versioned. Otherwise I'd create the constraints myself. I can't seem to find one, conducive response to they above. Again, the tables have already been created with previous migrations. I'm just going back now and adding referential integrity wherever it's applicable.

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