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• Simple Ruby Command Line Question

  - by aronchick

  Um - I feel like an idiot, but.... ruby -e '3+5' Outputs nothing (Windows 7, Ruby 1.8.7, Cygwin or Git Bash). What am I missing? Extra credit - will this also allow the extra cool bundle (stolen from TextMate) Execute and Update # = markers to work properly? EDIT Ok that worked, and I'll accept the answer, but e-texteditor still doesn't work with that really cool bundle. Too bad.

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• net/http post involving texts to a url using Ruby

  - by Godwin

  Hello all, I am writing a mobile App involving creating a Blogger client. I have the APIs that I need but the problem is how to write the ruby code for making a post using the texts beeing provided as well as making comments. The texts are supplied via form input but I don't know how to write the ruby code to post the text. I will be very happy to recieve a response. Thanks all

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• can't get pingfm class work (ruby)

  - by Radek

  I have simple code from Ping.fm Ruby Client/Library require 'pingfm' pingfm = Pingfm::Client.new('api_key', 'user_app_key') but it gives me uninitialized constant Pingfm (NameError) pingfm gem is installed, just there was this error message Could not find main page README during installation. Any idea how I can get it work? I am using: ruby 1.8.6 (2008-08-11 patchlevel 287) [i386-mswin32] pingfm (1.0.2)

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• Exporting an Environment Variable in Ruby

  - by wilhelmtell

  How do I export an environment variable from within a Ruby script to the parent shell? For example, implementing a naïve implementation of the /usr/bin/read utility: #!/usr/bin/ruby varname = ARGV[0] ENV[varname] = STDIN.gets # but have varname exported to the parent process

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• pluralize function in ruby NOT RAILS!

  - by DJTripleThreat

  Writing some ruby code (not rails) and I need to handle something like this: found 1 match found 2 matches I have rails installed so maybe I might be able to add a require clause at the top of the script, but does anyone know of a RUBY method that pluralizes strings? Is there a class I can require that can deal with this if the script isn't rails but I have rails installed? Thanks in advance!

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• Pass authentication between php and Ruby On Rails application

  - by Li

  Hi, I have a simple Ruby on rails application that I want to integrate with an existing php website. I only want that users who's been authenticated by the php application would have access to my Ruby on Rails application (it should appear to the user as the same website, in the same domain, though it can be a different sub-domain if I chose to) What's the best way to do that? Thanks for the help, Li

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• multi threading python/ruby vs java?

  - by fayer

  i wonder if the multi threading in python/ruby is equivalent to the one in java? by that i mean, is it as efficient? cause if you want to create a chat application that use comet technology i know that you have to use multi threading. does this mean that i can use python or ruby for that or is it better with java? thanks

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• Limitations in running Ruby on windows7

  - by orkutscraps

  n the installation documentation to RoR it mentions that there are many limitations to running Ruby on Rails on Windows7, and in some cases, whole libraries do not work. How bad are these limitations, should I always default to Linux to code / run RoR, and is Iron Ruby expected to fix these limitations or are they core to the OS itself?

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• Converting upper-case string into title-case using Ruby

  - by wsb3383

  Hi, all. I'm trying to convert an all-uppercase string in Ruby into a lower case one, but with each word's first character being upper case. Example: convert "MY STRING HERE" to "My String Here". I know I can use the .downcase method, but that would make everything lower case ("my string here"). I'm scanning all lines in a file and doing this change, so is there a regular expression I can use through ruby to achieve this? Thanks!

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• Python/Ruby IDE (Windows)?

  - by Lee Tang

  Are there any Windows IDEs that support both Ruby and Python? I'm talking about the type of IDE that has syntax suggestions (auto-completion feature). I've tried Netbeans but it only seems to support Ruby (maybe there's a way to add Python support?)

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• ruby on rails: bundles like django?

  - by fayer

  i wonder if ruby on rails have bundles, the ones similar in django? kind of a plugin that contains css, js, images, ruby code and everything for one feature. thanks

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• Dont Require RubyGems in Ruby 1.9

  - by robertsosinski

  I have Ruby 1.9.1 installed and by default RubyGems is required. As such, my load path has all my gems included. Is there a way to run Ruby 1.9 without having RubyGems required? Thanks

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• like-vim emacs ruby indentation

  - by edbond

  ruby-mode from svn, looks equal to 1.1 version here is emacs indentation of hash User.all({ :joins => :account, :conditions => {:delete_at => nil} }) here is the same in vim User.all({ :joins => :account, :conditions => {:delete_at => nil} }) How to make emacs indent like vim in ruby-mode?

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• Ruby on Rails Problem PotionStore

  - by David Schiefer

  Hello, I am trying to install the PotionStore on my Mac OS X 10.6 server with Ruby on Rails 3 installed. Upon launching the server on port 3000 and pointing safari to this address, I get this: NameError in Store/orderController#index uninitialized constant ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::PGconn What does this mean? I'm not too advanced with Ruby on Rails, so this throws me a bit.

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• reverse a string in ruby

  - by rubynoob

  How do you reverse a string in Ruby? I know about string#reverse. I'm interested in understanding how to write it in Ruby from scratch preferably an in-place solution.

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• What are some well designed ruby projects suitable for study of coding the ruby way?

  - by HN

  I am starting out on Ruby and have heard that there is a 'Ruby way' of coding. What are some projects, apart from rails , that are suitable for study and is agreed upon as well designed?

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• What does @@variable mean in Ruby?

  - by Andrew

  What are Ruby variables preceded with double at signs (@@)? My understanding of a variable preceded with an at sign is that it is an instance variable, like this in PHP: PHP version class Person { public $name; public function setName($name) { $this->name = $name; } public function getName() { return $this->name; } } Ruby equivalent class Person def set_name(name) @name = name end def get_name() @name end end What does the double at sign @@ mean, and how does it differ from a single at sign?

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• Which Language Next? Python? Ruby? [closed]

  - by Ryan Craig

  I am a beginning Webmaster (relatively), with 2+ years of php experience. I also have some java training and a bit of .net. My company is now close to redeveloping the website that I work on, which is coded primarily in php, but has some poorly-written .net in part as well (it's confusing and ill-planned, but I didn't make any of those decisions. Can anyone say action-oriented .net and JScript?). So, I'm trying to decide which language I should learn next to quickly develop a new site. I will probably just redevelop it at first in php because I'm very comfortable with it. However, I'd like to migrate in the next year to something newer and more forward-thinking. This being said, .net is out of the question a little bit. We need cheap developers who are fast and can get pages up quickly. In this part of the country, part-time .net developers are hard to find. So, we need something that will be pretty standard in the next few years, but we have some .net SOAP 1.1 APIs that we use on our actual service (separate from the corporate website), that we will need to integrate part of the site with. Developing with php and SOAP is much more difficult than doing the same thing. So, I may have to develop the API collaborative part in .net just to be easy, and then I'd like to use something else that is fast, flexible, forward thinking, and will be relatively standard and easy to find developers for. So, any ideas? Python and Django? Ruby on Rails? Another framework? Thanks for your thoughts. Sorry, I know this was long, but it's all very convoluted and confusing so I needed to be slightly long-winded.

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• vim + Ruby on Rails: how do you bounce among those 4-5 files you're currently working on?

  - by glitch

  I'm just starting to get familiar with vim, and I'd like to use it as my primary Rails development tool. As a Visual Studio and RubyMine user, I find a lot of stuff to be missing from the barebones vim installation, and therefore I went ahead and attempted to soup it up with plugins such as: rails.vim tcomment ruby-vim NERDtree and a couple of others. The issue is that I still don't quite get the average work-flow of using vim as one's Rails IDE. In RubyMine (again, similarly to Visual Studio) I have a series of tabs always open, containing the main files I'm switching among, and I additionally use NERDtree to open files from the folder structure. I tried opening them as new tabs, but the tab system in vim is just a lot more awkward than that in real IDEs. (I haven't seen vim pros in action, but I imagine that they'd not be relying on tabs, but using numerous splits instead, keeping at least a couple of files per split and switching between them with CTRL + ^. Is that the case?) So, at the end of the day, how do I really squeeze the most from vim if I want to be able to quickly access several files at once? Thank you!

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• Debugging cucumber/gem dependencies

  - by mobmad

  How do you debug and fix gem errors like below? Although the below case is very specific, I'm also looking for solution to related problems like "gem already activated [...]", and resources to gem management/debugging. mycomputer:projectfolder username$ cucumber features Using the default profile... WARNING: No DRb server is running. Running features locally: /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. Use #requirement can't activate , already activated ruby-hmac-0.4.0 (Gem::Exception) /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:101:in `specification' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `plugins' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `inject' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `each' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `inject' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:109:in `locate_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:108:in `map' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:108:in `locate_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:32:in `all_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:22:in `plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:53:in `add_plugin_load_paths' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:294:in `add_plugin_load_paths' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:136:in `process' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `send' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `run' /Users/username/Documents/projectfolder.0/sites/projectfolder/config/environment.rb:9 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `polyglot_original_require' /Library/Ruby/Gems/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require' ./features/support/env.rb:12 /Library/Ruby/Gems/1.8/gems/spork-0.7.5/lib/spork.rb:23:in `prefork' ./features/support/env.rb:9 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `polyglot_original_require' /Library/Ruby/Gems/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/rb_support/rb_language.rb:124:in `load_code_file' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:84:in `load_code_file' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:76:in `load_code_files' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:75:in `each' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:75:in `load_code_files' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/cli/main.rb:47:in `execute!' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/cli/main.rb:24:in `execute' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/cucumber:8 /usr/bin/cucumber:19:in `load' /usr/bin/cucumber:19 And this is the output from gem list actionmailer (2.3.5, 2.2.2, 1.3.6) actionpack (2.3.5, 2.2.2, 1.13.6) actionwebservice (1.2.6) activerecord (2.3.5, 2.2.2, 1.15.6) activeresource (2.3.5, 2.2.2) activesupport (2.3.5, 2.2.2, 1.4.4) acts_as_ferret (0.4.4, 0.4.3) adamwiggins-rest-client (1.0.4) aslakhellesoy-webrat (0.4.4.1) aslakjo-comatose (2.0.5.12) authlogic (2.1.3) authlogic-oid (1.0.4) builder (2.1.2) capistrano (2.5.17, 2.5.2) cgi_multipart_eof_fix (2.5.0) configuration (1.1.0) cucumber (0.4.4) cucumber-rails (0.3.0) daemons (1.0.10) database_cleaner (0.5.0) diff-lcs (1.1.2) dnssd (1.3.1, 0.6.0) fakeweb (1.2.8) fastthread (1.0.7, 1.0.1) fcgi (0.8.8, 0.8.7) ferret (0.11.6) gem_plugin (0.2.3) gemcutter (0.4.1) heroku (1.8.0) highline (1.5.2, 1.5.0) hoe (2.5.0) hpricot (0.8.2, 0.6.164) json (1.2.2) json_pure (1.2.2) launchy (0.3.5) libxml-ruby (1.1.3, 1.1.2) linecache (0.43) log4r (1.1.5) mime-types (1.16) mongrel (1.1.5) mysql (2.8.1) needle (1.3.0) net-scp (1.0.2, 1.0.1) net-sftp (2.0.4, 2.0.1, 1.1.1) net-ssh (2.0.20, 2.0.4, 1.1.4) net-ssh-gateway (1.0.1, 1.0.0) nifty-generators (0.3.2) nokogiri (1.4.1) oauth (0.3.6) oniguruma (1.1.0) plist (3.1.0) polyglot (0.2.9) rack (1.1.0, 1.0.1) rack-test (0.5.3) rails (2.3.5, 2.2.2, 1.2.6) rake (0.8.7, 0.8.3) RedCloth (4.2.2, 4.1.1) rest-client (1.4.0) rspec (1.3.0) rspec-rails (1.3.2) ruby-activeldap (0.8.3.1) ruby-debug-base (0.10.3) ruby-debug-ide (0.4.9) ruby-hmac (0.4.0) ruby-net-ldap (0.0.4) ruby-openid (2.1.7, 2.1.2) ruby-yadis (0.3.4) rubyforge (2.0.4) rubygems-update (1.3.6) rubynode (0.1.5) rubyzip (0.9.4) sanitize (1.2.0) sequel (3.0.0) sinatra (0.9.2) spork (0.7.5) sqlite3-ruby (1.2.5, 1.2.4) taps (0.2.26) term-ansicolor (1.0.4) termios (0.9.4) textpow (0.10.1) thor (0.9.9) treetop (1.4.2) twitter4r (0.3.2, 0.3.1) ultraviolet (0.10.2) webrat (0.7.0) will_paginate (2.3.12) xmpp4r (0.5, 0.4)

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• Ruby (on Rails) && PHP - two great things that work great together???

  - by pedalpete

  I've done very little work with Ruby, and have an app I've written in PHP. I would like to add some functionality which is available in open sourced Ruby code. I could either try to translate the Ruby to PHP, or try mixing the two. Though I think the mixing part would be somewhat silly. I believe my options are to either mix ruby with php, or translate the ruby code into php. Anybody have any suggestions on this, or other ideas? I am not really interested in converting my entire app into Ruby just so I can get this feature (I saw Derek Sivers post about that which convinced me. http://www.oreillynet.com/ruby/blog/2007/09/7%5Freasons%5Fi%5Fswitched%5Fback%5Fto%5Fp%5F1.html)

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• How can install sqlite-ruby on linux when sqlite3 is not in /usr/local ?

  - by Charles

  I am trying to install sqlite3 and sqlite-ruby (ruby 1.8.6) on a linux box where I do not have root. I downloaded the sqlite3 source, binaries, and shared library and placed them all in a directory called sqlite3 I then try to install sqlite-ruby using gem install sqlite-ruby --with-sqlite-dir=the_path_sqlite/sqlite3 but I keep getting the error... checking for main() in -lsqlite... no checking for sqlite.h... no * extconf.rb failed * Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/data/scratch/bettbra/common/packages/ruby-1.8.6/bin/ruby --with-sqlite-dir --with-sqlite-include --without-sqlite-include=${sqlite-dir}/include --with-sqlite-lib --without-sqlite-lib=${sqlite-dir}/lib --with-sqlitelib --without-sqlitelib

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• How to use these ruby based CSS stylsheet frameworks languages?

  - by metal-gear-solid

  I read about many CSS related languages and tools which need ruby. What is the purpose of these languages and tool how these can save time and improve our CSS coding. What is the role in ruby language in these languages and tool. Will i have to install and learn ruby language to use these languages and tool. will i need ruby installed on webserver where website will be hosted. I'm talking abut these languages http://lesscss.org/ http://sass-lang.com/ http://compass-style.org/ some mentioned here: http://www.ruby-toolbox.com/categories/css_frameworks.html I'm on Windows XP PC , How can i use these Ruby based languages and which is preferred? I don't know ruby language.

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• sphinx xmlpipe2 cassandra and ruby 1.9

  - by user369083

  Hi, I start to using cassandra and I want to index my db with sphinx. I wrote ruby script which is used as xmlpipe, and I configure sphinx to use it. source xmlsrc { type = xmlpipe2 xmlpipe_command = /usr/local/bin/ruby /home/httpd/html/app/script/sphinxpipe.rb } When I run script from console output looks fine, but when I run indexer sphinx return error $ indexer test_index Sphinx 0.9.9-release (r2117) Copyright (c) 2001-2009, Andrew Aksyonoff using config file '/usr/local/etc/sphinx.conf'... indexing index 'test_index'... ERROR: index 'test_index': source 'xmlsrc': attribute 'id' required in <sphinx:document> (line=10, pos=0, docid=0). total 0 docs, 0 bytes total 0.000 sec, 0 bytes/sec, 0.00 docs/sec total 0 reads, 0.000 sec, 0.0 kb/call avg, 0.0 msec/call avg total 0 writes, 0.000 sec, 0.0 kb/call avg, 0.0 msec/call avg my script is very simple $stdout.sync = true puts %{<?xml version="1.0" encoding="utf-8"?>} puts %{<sphinx:docset>} puts %{<sphinx:schema>} puts %{<sphinx:field name="body"/>} puts %{</sphinx:schema>} puts %{<sphinx:document id="ba32c02e-79e2-11df-9815-af1b5f766459">} puts %{<body><![CDATA[aaa]]></body>} puts %{</sphinx:document>} puts %{</sphinx:docset>} I use ruby 1.9.2-head, ubuntu 10.04, sphinx 0.9.9 How can I get this to work?

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• Ruby Shoes packager including Shoes in the app

  - by user206481

  I can't seem to get the Ruby Shoes packager to correctly create an exe with Shoes included. I'm using the Raisins release (0.r1134), with the pack.rb replaced from github. The exe's the packager makes are all 70-80K files (they obviously don't include shoes or ruby). These exe's will run on my XP machine that already has Shoes on it. but when I copy them to another laptop they start a "Shoes is downloading" dialog that does nothing and then goes away. I need to make standalone Windows exe's, and my understanding was that the "Yes, I want Shoes included" option in the packager would do that. Did I misunderstand the intent? Is there a way to make this work? Hope so, because I love Shoes. As most women do. Hmm... maybe Shoes was _why's attempt at getting more women into programming as well as kids...but I digress. The other threads I've found here imply this will work: http://stackoverflow.com/questions/1390721/problem-in-ruby-shoes-packaging http://stackoverflow.com/questions/363218/shoes-packager-problem

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