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• strange bundler error: tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) o

  - by z3cko

  i am getting a strange bundler error when running bundle pack with bundler 0.9.12 any ideas? (see pastie for a better formatted code: http://pastie.org/881328 ) /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `new' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:63:in `each' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:54:in `loop' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:54:in `each' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:32:in `initialize' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:17:in `new' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:17:in `open' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package.rb:55:in `open' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/format.rb:63:in `from_io' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/format.rb:51:in `from_file_by_path' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `open' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `from_file_by_path' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/source.rb:115:in `specs' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/source.rb:114:in `each' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/source.rb:114:in `specs' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:32:in `from_cached_specs' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:23:in `application_cached_gems' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:15:in `cached_gems' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:5:in `build' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:14:in `cached_gems' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/environment.rb:15:in `index' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/index.rb:5:in `build' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/environment.rb:13:in `index' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/runtime.rb:86:in `specs' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/runtime.rb:130:in `details' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/runtime.rb:119:in `write_yml_lock' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/runtime.rb:65:in `lock' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/cli.rb:89:in `lock' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/cli.rb:131:in `package' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/task.rb:33:in `send' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/task.rb:33:in `run' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/invocation.rb:109 from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/invocation.rb:116:in `call' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/invocation.rb:116:in `invoke' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor.rb:137:in `start' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor/base.rb:378:in `start' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/lib/bundler/vendor/thor.rb:124:in `start' from /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8/gems/bundler-0.9.12/bin/bundle:11 from /opt/REE/bin/bundle:19:in `load' from /opt/REE/bin/bundle:19

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• Heroku Problem During Database Pull of Rails App: Mysql::Error MySQL server has gone away

  - by Rich Apodaca

  Attempting to pull my database from Heroku gives an error partway through the process (below). Using: Snow Leopard; heroku-1.8.2; taps-0.2.26; rails-2.3.5; mysql-5.1.42. Database is smallish, as you can see from the error message. Heroku tech support says it's a problem on my system, but offers nothing in the way of how to solve it. I've seen the issue reported before - for example here. How can I get around this problem? The error: $ heroku db:pull Auto-detected local database: mysql://[...]@localhost/[...]?encoding=utf8 Receiving schema Receiving data 17 tables, 9,609 records [...] /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:166:in `query': Mysql::Error MySQL server has gone away (Sequel::DatabaseError) from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:166:in `_execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:125:in `execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/connection_pool.rb:101:in `hold' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:461:in `synchronize' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:125:in `execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:296:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset.rb:276:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:365:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `each' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:144:in `transaction' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/connection_pool.rb:108:in `hold' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:461:in `synchronize' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:138:in `transaction' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:211:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:203:in `loop' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:203:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:196:in `each' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:196:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:175:in `cmd_receive' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:17:in `pull' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:119:in `taps_client' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:21:in `start' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:115:in `taps_client' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:16:in `pull' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:45:in `send' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:45:in `run_internal' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:17:in `run' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/heroku:14 from /usr/bin/heroku:19:in `load' from /usr/bin/heroku:19

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• Why are some seasoned ASP.NET developers defecting to Ruby on Rails?

  - by Tony_Henrich

  Once a while I hear some known ASP.NET developer declaring that they quit developing in .NET and moving to Ruby using Ruby in Rails. The problem is they don't mention exactly the reasons. They use words like RoR is 'easier', 'better' & 'faster'. That really doesn't say much to me. Anyone care to do faithful comparison using code samples, case studies ..etc or from personal experience in using both? Try to convince me to throw away all my years of learning C#, the .NET Framework using a powerful IDE (Visual Studio). Does RoR save you hours a week in development time? What are the major pain points in .NET that compels one to move away from it? This question is NOT about a pure RoR vs ASP.NET (MVC) comparison. It's about the compelling technical reasons (getting bored does not count!) to switch over after using a platform for several years and start with a new language and platform. (prefer this to be a wiki)

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• Can't compile CentOS 5, Ruby 1.9.2 and OpenSSL 1.0.0c

  - by pstinnett

  I'm trying to install Ruby 1.9.2 on CentOS 5.5. I get through most of the make process, but when it tries to compile OpenSSL I get an error. Below is the errror outputted: compiling openssl make[1]: Entering directory `/sources/ruby-1.9.2-p136/ext/openssl' gcc -I. -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/openssl -DRUBY_EXTCONF_H=\"extconf.h\" -fPIC -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -o ossl_x509.o -c ossl_x509.c In file included from ossl.h:201, from ossl_x509.c:11: openssl_missing.h:71: error: conflicting types for ‘HMAC_CTX_copy’ /usr/include/openssl/hmac.h:102: error: previous declaration of ‘HMAC_CTX_copy’ was here openssl_missing.h:95: error: conflicting types for ‘EVP_CIPHER_CTX_copy’ /usr/include/openssl/evp.h:459: error: previous declaration of ‘EVP_CIPHER_CTX_copy’ was here make[1]: *** [ossl_x509.o] Error 1 make[1]: Leaving directory `/sources/ruby-1.9.2-p136/ext/openssl' make: *** [mkmain.sh] Error 1 Any help would be greatly appreciated! I'm not a master at Linux by any means, but I was able to successfully install this version of Ruby on our dev server. Our live server is running a newer version of OpenSSL which I'm assuming is why it's breaking. Just not sure what the fix is!

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• First Ruby on Rails App: use v3 (Beta) or 2.3?

  - by Marco

  Now that Rails 3.0 beta has been released, should I spend time building my first Rails application on 2.3 or does it make more sense to use the beta?

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• Rails 3 shows 404 error instead of index.html (nginx + unicorn)

  - by Miko

  I have an index.html in public/ that should be loading by default but instead I get a 404 error when I try to access http://example.com/ The page you were looking for doesn't exist. You may have mistyped the address or the page may have moved. This has something to do with nginx and unicorn which I am using to power Rails 3 When take unicorn out of the nginx configuration file, the problem goes away and index.html loads just fine. Here is my nginx configuration file: upstream unicorn { server unix:/tmp/.sock fail_timeout=0; } server { server_name example.com; root /www/example.com/current/public; index index.html; keepalive_timeout 5; location / { try_files $uri @unicorn; } location @unicorn { proxy_pass http://unicorn; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $host; proxy_redirect off; } } My config/routes.rb is pretty much empty: Advertise::Application.routes.draw do |map| resources :users end The index.html file is located in public/index.html and it loads fine if I request it directly: http://example.com/index.html To reiterate, when I remove all references to unicorn from the nginx conf, index.html loads without any problems, I have a hard time understanding why this occurs because nginx should be trying to load that file on its own by default. -- Here is the error stack from production.log: Started GET "/" for 68.107.80.21 at 2010-08-08 12:06:29 -0700 Processing by HomeController#index as HTML Completed in 1ms ActionView::MissingTemplate (Missing template home/index with {:handlers=>[:erb, :rjs, :builder, :rhtml, :rxml, :haml], :formats=>[:html], :locale=>[:en, :en]} in view paths "/www/example.com/releases/20100808170224/app/views", "/www/example.com/releases/20100808170224/vendor/plugins/paperclip/app/views", "/www/example.com/releases/20100808170224/vendor/plugins/haml/app/views"): /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/actionpack-3.0.0.beta4/lib/action_view/paths.rb:14:in `find' /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/actionpack-3.0.0.beta4/lib/action_view/lookup_context.rb:79:in `find' /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/actionpack-3.0.0.beta4/lib/action_view/base.rb:186:in `find_template' /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/actionpack-3.0.0.beta4/lib/action_view/render/rendering.rb:45:in `_determine_template' /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/actionpack-3.0.0.beta4/lib/action_view/render/rendering.rb:23:in `render' /usr/local/rvm/gems/ruby-1.9.2-rc2/gems/haml-3.0.15/lib/haml/helpers/action_view_mods.rb:13:in `render_with_haml' etc... -- nginx error log for this virtualhost comes up empty: 2010/08/08 12:40:22 [info] 3118#0: *1 client 68.107.80.21 closed keepalive connection My guess is unicorn is intercepting the request to index.html before nginx gets to process it.

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• can't run cucumber scenarios due to test-unit version issue on Rails 2.3.5, Ruby 1.9.1

  - by Jeff D

  I've been trying to follow along in the RSpec book, (I'm new to all of this) and I have what appears to be some kind of versioning issue. If I try and run some simple scenarios, I get this error: can't activate test-unit (= 1.2.3, runtime) for [], already activated test-unit-2.0.7 for [] (Gem::LoadError) /Users/jeffdeville/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/site_ruby/1.9.1/rubygems.rb:230:in activate' /Users/jeffdeville/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/site_ruby/1.9.1/rubygems.rb:1056:ingem' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/rspec-1.3.0/lib/spec/interop/test.rb:4:in <top (required)>' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:in require' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/rspec-1.3.0/lib/spec/test/unit.rb:1:in <top (required)>' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:in require' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/rspec-rails-1.3.2/lib/spec/rails.rb:13:in <top (required)>' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:in require' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-rails-0.3.0/lib/cucumber/rails/rspec.rb:15:in rescue in <top (required)>' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-rails-0.3.0/lib/cucumber/rails/rspec.rb:3:in' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:in require' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in require' /Users/jeffdeville/code/showtime/Features/support/env.rb:11:in' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:in require' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.1/lib/polyglot.rb:64:inrequire' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/rb_support/rb_language.rb:124:in load_code_file' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/step_mother.rb:85:inload_code_file' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/step_mother.rb:77:in block in load_code_files' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/step_mother.rb:76:ineach' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/step_mother.rb:76:in load_code_files' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/cli/main.rb:48:inexecute!' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/lib/cucumber/cli/main.rb:20:in execute' /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.4/bin/cucumber:8:in' script/cucumber:9:in load' script/cucumber:9:in' however, uninstalling 2.0.7 yields the error: Missing these required gems: test-unit = 2.0.7 You're running: ruby 1.9.1.378 at /Users/jeffdeville/.rvm/rubies/ruby-1.9.1-p378/bin/ruby rubygems 1.3.6 at /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378, /Users/jeffdeville/.rvm/gems/ruby-1.9.1-p378@global Run rake gems:install to install the missing gems. Sorry this is probably something easy, but I just don't know ruby or rails well enough yet.

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• ERROR: Failed to build gem native extension on Mavericks

  - by Kyle Decot

  I'm attempting to run bundle in my Rails project on OSX 10.9. It fails when getting to the pg gem with this error: Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb checking for pg_config... no No pg_config... trying anyway. If building fails, please try again with --with-pg-config=/path/to/pg_config checking for libpq-fe.h... yes checking for libpq/libpq-fs.h... yes checking for pg_config_manual.h... yes checking for PQconnectdb() in -lpq... yes checking for PQconnectionUsedPassword()... yes checking for PQisthreadsafe()... yes checking for PQprepare()... yes checking for PQexecParams()... yes checking for PQescapeString()... yes checking for PQescapeStringConn()... yes checking for PQescapeLiteral()... yes checking for PQescapeIdentifier()... yes checking for PQgetCancel()... yes checking for lo_create()... yes checking for pg_encoding_to_char()... yes checking for pg_char_to_encoding()... yes checking for PQsetClientEncoding()... yes checking for PQlibVersion()... yes checking for PQping()... yes checking for PQsetSingleRowMode()... yes checking for rb_encdb_alias()... yes checking for rb_enc_alias()... no checking for rb_thread_call_without_gvl()... yes checking for rb_thread_call_with_gvl()... yes checking for rb_thread_fd_select()... yes checking for rb_w32_wrap_io_handle()... no checking for PGRES_COPY_BOTH in libpq-fe.h... no checking for PGRES_SINGLE_TUPLE in libpq-fe.h... no checking for PG_DIAG_TABLE_NAME in libpq-fe.h... no checking for struct pgNotify.extra in libpq-fe.h... yes checking for unistd.h... yes checking for ruby/st.h... yes creating extconf.h creating Makefile make "DESTDIR=" compiling gvl_wrappers.c clang: warning: argument unused during compilation: '-fno-fast-math' compiling pg.c clang: warning: argument unused during compilation: '-fno-fast-math' pg.c:272:9: warning: implicit declaration of function 'PQlibVersion' is invalid in C99 [-Wimplicit-function-declaration] return INT2NUM(PQlibVersion()); ^ In file included from pg.c:48: In file included from ./pg.h:17: In file included from /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby.h:33: /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:1167:21: note: instantiated from: # define INT2NUM(v) INT2FIX((int)(v)) ^ pg.c:272:9: note: instantiated from: return INT2NUM(PQlibVersion()); ^ pg.c:272:17: note: instantiated from: return INT2NUM(PQlibVersion()); ^ pg.c:375:48: error: use of undeclared identifier 'PQPING_OK' rb_define_const(rb_mPGconstants, "PQPING_OK", INT2FIX(PQPING_OK)); ^ pg.c:375:56: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_OK", INT2FIX(PQPING_OK)); ^ pg.c:377:52: error: use of undeclared identifier 'PQPING_REJECT' rb_define_const(rb_mPGconstants, "PQPING_REJECT", INT2FIX(PQPING_REJECT)); ^ pg.c:377:60: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_REJECT", INT2FIX(PQPING_REJECT)); ^ pg.c:379:57: error: use of undeclared identifier 'PQPING_NO_RESPONSE' rb_define_const(rb_mPGconstants, "PQPING_NO_RESPONSE", INT2FIX(PQPING_NO_RESPONSE)); ^ pg.c:379:65: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_NO_RESPONSE", INT2FIX(PQPING_NO_RESPONSE)); ^ pg.c:381:56: error: use of undeclared identifier 'PQPING_NO_ATTEMPT' rb_define_const(rb_mPGconstants, "PQPING_NO_ATTEMPT", INT2FIX(PQPING_NO_ATTEMPT)); ^ pg.c:381:64: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_NO_ATTEMPT", INT2FIX(PQPING_NO_ATTEMPT)); ^ 1 warning and 4 errors generated. make: *** [pg.o] Error 1 Gem files will remain installed in /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0 for inspection. Results logged to /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0/ext/gem_make.out An error occurred while installing pg (0.17.0), and Bundler cannot continue. Make sure that `gem install pg -v '0.17.0'` succeeds before bundling.

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• How to validates cyrilic email in Rails 3.1?

  - by iKeler

  Let's say I had the email address like putin-crab@?????????.?? How to validate that address in rails 3.1? My Model(i use Mongoid): #encoding: utf-8 class User include Mongoid::Document field :email, :type => String validates :email, :presence => true, :format => { :with => RFC822::EMAIL } end For validations reqexp i use gem https://github.com/dim/rfc-822 in rails console (normal email): ruby-1.9.2-p290 :001 > usr = User.new( :email => "[email protected]" ) => #<User _id: 4ec627cf4934db7e4d000001, _type: nil, email: "[email protected]"> ruby-1.9.2-p290 :002 > usr.valid? => true in rails console (fu@#ing email): ruby-1.9.2-p290 :003 > usr = User.new( :email => "putin-crab@?????????.??" ) => #<User _id: 4ec627f44934db7e4d000002, _type: nil, email: "putin-crab@?????????.??"> ruby-1.9.2-p290 :004 > usr.valid? Encoding::CompatibilityError: incompatible encoding regexp match (ASCII-8BIT regexp with UTF-8 string) from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations/format.rb:9:in `=~' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations/format.rb:9:in `!~' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations/format.rb:9:in `validate_each' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validator.rb:153:in `block in validate' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validator.rb:150:in `each' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validator.rb:150:in `validate' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activesupport-3.1.1/lib/active_support/callbacks.rb:302:in `_callback_before_13' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activesupport-3.1.1/lib/active_support/callbacks.rb:404:in `_run_validate_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activesupport-3.1.1/lib/active_support/callbacks.rb:81:in `run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:42:in `block in run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:67:in `call' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:67:in `run_cascading_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:41:in `run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations.rb:212:in `run_validations!' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations/callbacks.rb:53:in `block in run_validations!' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activesupport-3.1.1/lib/active_support/callbacks.rb:390:in `_run_validation_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activesupport-3.1.1/lib/active_support/callbacks.rb:81:in `run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:42:in `block in run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:67:in `call' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:67:in `run_cascading_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/callbacks.rb:41:in `run_callbacks' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations/callbacks.rb:53:in `run_validations!' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/activemodel-3.1.1/lib/active_model/validations.rb:179:in `valid?' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/mongoid-2.3.3/lib/mongoid/validations.rb:70:in `valid?' from (irb):4 from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/railties-3.1.1/lib/rails/commands/console.rb:45:in `start' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/railties-3.1.1/lib/rails/commands/console.rb:8:in `start' from /home/username/.rvm/gems/ruby-1.9.2-p290@rail31/gems/railties-3.1.1/lib/rails/commands.rb:40:in `<top (required)>' from script/rails:6:in `require'

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• Installed Ruby 1.9.2 but new gems won't create scripts into /usr/bin

  - by karatedog

  I had previously ruby 1.8 on my Ubuntu 10.10, which I removed through Synaptics. Then I have installed ruby 1.9.1 also via Synaptics (which is then saying that itself is version 1.9.2). Then I installed ruby-debug19 and rspec gems with sudo gem install ruby-debug19 rspec However I can't start rdebug or rspec, but I can invoke the debugger from inside my ruby script, so the debugger is working. I inspected the starting scipts rdebug and rspec and then I realized that they are still old scripts back from ruby1.8 time. In other worlds, the current 1.9 install of these gems haven't created the starting scripts anywhere. What is the easiest solution for a lazy soul like me? It looks like removing-reinstalling ruby 1.9.2 won't help, and installing these gems over and over againg won't create the starting scripts.

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• Cannot install Fast debugger in Netbeans 6.8 for Ruby 1.9

  - by Bragaadeesh

  Hi, I am using Netbeans 6.8 version and Ruby 1.9.1 installed on Windows XP. I tried to install the fast debugger and I am getting the following error. Building native extensions. This could take a while... ERROR: Error installing ruby-debug-ide: ERROR: Failed to build gem native extension. D:/Ruby19/bin/ruby.exe mkrf_conf.rb Building native extensions. This could take a while... Gem files will remain installed in D:/Ruby19/lib/ruby/gems/1.9.1/gems/ruby-debug-ide-0.4.9 for inspection. Results logged to D:/Ruby19/lib/ruby/gems/1.9.1/gems/ruby-debug-ide-0.4.9/ext/gem_make.out Have someone else faced this problem before. Please help. Thanks.

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• Multiple database connection in Rails

  - by Sanal

  I'm using active_delegate for multiple connection in Rails. Here I'm using mysql as master_database for some models,and postgresql for some other models. Problem is that when I try to access the mysql models, I'm getting the error below! Stack trace shows that, it is still using the postgresql adapter to access my mysql models! RuntimeError: ERROR C42P01 Mrelation "categories" does not exist P15 F.\src\backend\parser\parse_relation.c L886 RparserOpenTable: SELECT * FROM "categories" STACKTRACE =========== d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract_adapter.rb:212:in `log' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/postgresql_adapter.rb:507:in `execute' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/postgresql_adapter.rb:985:in `select_raw' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/postgresql_adapter.rb:972:in `select' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `select_all_without_query_cache' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:60:in `select_all' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:81:in `cache_sql' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:60:in `select_all' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:661:in `find_by_sql' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:1553:in `find_every' d:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:615:in `find' D:/ROR/Aptana/dedomenon/app/models/category.rb:50:in `get_all_with_exclusive_scope' D:/ROR/Aptana/dedomenon/app/models/category.rb:50:in `get_all_with_exclusive_scope' D:/ROR/Aptana/dedomenon/app/controllers/categories_controller.rb:48:in `index' here is my database.yml file postgre: &postgre adapter: postgresql database: codex host: localhost username: postgres password: root port: 5432 mysql: &mysql adapter: mysql database: project host: localhost username: root password: root port: 3306 development: <<: *postgre test: <<: *postgre production: <<: *postgre master_database: <<: *mysql and my master_databse model is like this class Category < ActiveRecord::Base delegates_connection_to :master_database, :on => [:create, :save, :destroy] end Anyone has any solution??

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• Rails initializes extremely slow on ruby 1.9.1

  - by Ben Johnson

  I just got my rails 2.3.8 app running on ruby 1.9.1. To get into the console, start the webserver, anything that initializes rails, takes 3 - 4 times longer in ruby 1.9 than in ruby 1.8.7. I'm using ruby version managers so I can easily switch between ruby 1.9 and ruby 1.8.7. The speed difference happens in both production and development. I want to use 1.9 because its must faster once everything is running, but the startup time is so bad the app is timing out on Heroku on the first request. Any ideas why ruby 1.9 would be 3 - 4 times slower? I can't figure it out for the life of me.

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• Invoking active_record error - can not load file in Ruby on Rails

  - by user1623624

  When I try to run rails generate scaffold test the following error always shows C:\Lab\railapps\dbtest>rails generate scaffold test invoke active_record C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:251:in `require': Please install the oracle_enhanced_adapter: `gem install activerecord-oracle_enhanced-adapter` (cannot load such file -- active_record/connection_adapters/oracle_enhanced_adapter) (LoadError) from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:251:in `block in require'" I did install gem oci8 then activerecord-oracle-enhanced-adapter. Can you help me by having a look? Thanks a lot. Version information C:\Lab\railapps\dbtest>gem list ruby-oci8 *** LOCAL GEMS *** ruby-oci8 (2.1.2 ruby x86-mingw32, 2.0.6) C:\Lab\railapps\dbtestgem list activerecord-oracle_enhanced-adapter *** LOCAL GEMS *** activerecord-oracle_enhanced-adapter (1.4.1) database.yml under configure development: adapter: oracle_enhanced database: cvrman.cablevision.com username: ruby password: ruby

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• Error Installing ruby with RVM Single User mode on Arch Linux

  - by ChrisBurnor

  I've just installed RVM on ArchLinux x64 in single user mode via the recommended install script curl -L https://get.rvm.io | bash -s stable I've also installed all the requirements listed in rvm requirements However, I'm having trouble actually installing any version of ruby. And getting the following error: arch:~ % rvm install 1.9.3 No binary rubies available for: ///ruby-1.9.3-p194. Continuing with compilation. Please read 'rvm mount' to get more information on binary rubies. Fetching yaml-0.1.4.tar.gz to /home/christopher/.rvm/archives % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 460k 100 460k 0 0 702k 0 --:--:-- --:--:-- --:--:-- 767k Extracting yaml-0.1.4.tar.gz to /home/christopher/.rvm/src Prepare yaml in /home/christopher/.rvm/src/yaml-0.1.4. Configuring yaml in /home/christopher/.rvm/src/yaml-0.1.4. Error running ' ./configure --prefix=/home/christopher/.rvm/usr ', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/yaml/configure.log Compiling yaml in /home/christopher/.rvm/src/yaml-0.1.4. Error running 'make', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/yaml/make.log Please note that it's required to reinstall all rubies: rvm reinstall all --force Installing Ruby from source to: /home/christopher/.rvm/rubies/ruby-1.9.3-p194, this may take a while depending on your cpu(s)... ruby-1.9.3-p194 - #downloading ruby-1.9.3-p194, this may take a while depending on your connection... ruby-1.9.3-p194 - #extracting ruby-1.9.3-p194 to /home/christopher/.rvm/src/ruby-1.9.3-p194 ruby-1.9.3-p194 - #extracted to /home/christopher/.rvm/src/ruby-1.9.3-p194 Skipping configure step, 'configure' does not exist, did autoreconf not run successfully? ruby-1.9.3-p194 - #compiling Error running 'make', please read /home/christopher/.rvm/log/ruby-1.9.3-p194/make.log There has been an error while running make. Halting the installation. The log files are as follows: arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/yaml/configure.log __rvm_log_command:32: permission denied: arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/yaml/make.log make: *** No targets specified and no makefile found. Stop. arch:~ % cat ~/.rvm/log/ruby-1.9.3-p194/make.log make: *** No targets specified and no makefile found. Stop.

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• Fix Corrupted Ruby in Mac OS X Lion

  - by luckyb56

  I screwed up my ruby buy executing the command sudo easy_install pip> /usr/bin/ruby -e "$(/usr/bin/curl -fksSL https://raw.github.com/mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)" It showed error: Couldn't find index page for '-e' (maybe misspelled?) No local packages or download links found for -e error: Could not find suitable distribution for Requirement.parse('-e') After that when I tried to install Brew by: /usr/bin/ruby -e "$(/usr/bin/curl -fksSL https://raw.github.com/mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)" It shows error which I have no idea: /usr/bin/ruby: line 1: Searching: command not found /usr/bin/ruby: line 2: Best: command not found /usr/bin/ruby: line 3: Processing: command not found Usage: pip COMMAND [OPTIONS] pip: error: No command by the name pip 1.1 (maybe you meant "pip install 1.1") /usr/bin/ruby: line 5: Installing: command not found /usr/bin/ruby: line 6: Installing: command not found /usr/bin/ruby: line 8: Using: command not found /usr/bin/ruby: line 9: Processing: command not found /usr/bin/ruby: line 10: Finished: command not found /usr/bin/ruby: line 11: Searching: command not found /usr/bin/ruby: line 12: Reading: command not found /usr/bin/ruby: line 13: syntax error near unexpected token `(' /usr/bin/ruby: line 13: `Scanning index of all packages (this may take a while)' Can this be fixed?

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• Why do I get this error when I try to push my SQLite3 to Postgresql (via Taps) on Cedar Stack?

  - by rhodee

  I've done quite a bit of research on Heroku Dev Center and I am now looking to the community for help. Here is my problem. I can not push my db to Heroku Cedar Stack. I am trying to migrate a sqlite database to postgresql via Taps gem. When I am ready to deploy I run: bundle install --without production heroku run db:push I get the following result: Running db:seed attached to terminal... up, run.17 sh: db:seed: not found heroku run rake db:migrate And when I run the migration: heroku run rake db:migrate I get the following: Running rake db:migrate attached to terminal... up, run.18 rake aborted! No Rakefile found (looking for: rakefile, Rakefile, rakefile.rb, Rakefile.rb) /usr/local/lib/ruby/1.9.1/rake.rb:2367:in `raw_load_rakefile' /usr/local/lib/ruby/1.9.1/rake.rb:2007:in `block in load_rakefile' /usr/local/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling' /usr/local/lib/ruby/1.9.1/rake.rb:2006:in `load_rakefile' /usr/local/lib/ruby/1.9.1/rake.rb:1991:in `run' /usr/local/bin/rake:31:in `<main>' Everytime I push to Heroku (git push heroku master) it fails because my gem file is attempting to install sqlite3 gem-even though its inside of the development and test groups in my Gemfile. My database.yml production environment still points to sqlite adapter even after I have run the following command successfully: heroku config:add BUNDLE_WITHOUT="test development" --app app_name_on_heroku Out of ideas. Please help. If its useful I can post results of my gemfile, heroku ps and logs. Cheers UPDATE: After following @John's direction I now receive the following terminal message. Sending schema Schema: 100% |==========================================| Time: 00:00:07 Sending indexes schema_migrat: 100% |==========================================| Time: 00:00:00 Sending data 4 tables, 6 records schema_migrat: 0% | | ETA: --:--:-- Saving session to push_201111070749.dat.. !!! Caught Server Exception HTTP CODE: 500 Taps Server Error: LoadError: no such file to load -- sequel/adapters/ And the following warnings: ["/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:249:in require'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:249:inblock in tsk_require'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:72:in block in check_requiring_thread'", "<internal:prelude>:10:insynchronize'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:69:in check_requiring_thread'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:249:intsk_require'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/database/connecting.rb:25:in adapter_class'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/database/connecting.rb:54:inconnect'", "/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:119:in connect'", "/app/lib/taps/db_session.rb:14:inconn'", "/app/lib/taps/server.rb:91:in block in <class:Server>'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:865:incall'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:865:in block in route'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:521:ininstance_eval'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:521:in route_eval'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:500:inblock (2 levels) in route!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:497:in catch'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:497:inblock in route!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:476:in each'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:476:inroute!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:601:in dispatch!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:411:inblock in call!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:566:in instance_eval'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:566:inblock in invoke'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:566:in catch'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:566:ininvoke'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:411:in call!'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:399:incall'", "/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/auth/basic.rb:25:in call'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:979:inblock in call'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:1005:in synchronize'", "/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:979:incall'", "/home/heroku_rack/lib/static_assets.rb:9:in call'", "/home/heroku_rack/lib/last_access.rb:15:incall'", "/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/urlmap.rb:47:in block in call'", "/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/urlmap.rb:41:ineach'", "/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/urlmap.rb:41:in call'", "/home/heroku_rack/lib/date_header.rb:14:incall'", "/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:77:in call'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:76:inblock in pre_process'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:in catch'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:inpre_process'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:57:in process'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:42:inreceive_data'", "/app/.bundle/gems/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in run_machine'", "/app/.bundle/gems/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:inrun'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/backends/base.rb:57:in start'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/server.rb:156:instart'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/controllers/controller.rb:80:in start'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/runner.rb:177:inrun_command'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/runner.rb:143:in run!'", "/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/bin/thin:6:in'", "/usr/ruby1.9.2/bin/thin:19:in load'", "/usr/ruby1.9.2/bin/thin:19:in'"]

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• Rails. How to extend controller class from plugin without any modification in controller file?

  - by potapuff

  I'm use Rails 2.2.2. Rails manual said, the way to extend controller from plug-in is: Plugin: module Plug def self.included(base) base.extend ClassMethods base.send :include, InstanceMethods base.helper JumpLinksHelper end module InstanceMethods def new_controller_metod ... end end module ClassMethods end end app/controller/name_controller.rb class NameController < ApplicationController include Plug ... end Question: is any way to extend controller from plug-in, without any modification of controller file, if we know controller name.

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• Getting Started with Ruby & Ruby on Rails

  - by JakeTheSnake

  Some background: I'm a jack-of-all traits, one of which is programming. I learned VB6 through Excel and PHP for creating websites and so far it's worked out just fine for me. I'm not CS major or even mathematically inclined - logic is what interests me. Current status: I'm willing to learn new and more powerful languages; my first foray into such a route is learning Ruby. I went to the main Ruby website and did the interactive intro. (by the way, I'm currently getting redirected to google.com when I try the link...it's happening to other websites as well...is my computer infected?) I liked what I learned and wanted to get started using Ruby to create websites. I downloaded InstantRails and installed it; everything so far has been fine - the program starts up just fine, and I can test some Ruby code in the console. However my troubles begin when I try and view a web page with Ruby code present. Lastly, my problem: As in PHP, I can browse to the .php file directly and through using PHP tags and some simple 'echo' statements I can be on my way in making dynamic web pages. However with the InstantRails app working, accessing a .rb or .rhtml page doesn't produce similar results. I made a simple text file named 'test.rb' and put basic HTML tags in there (html, head, body) and the Ruby tags <%= and % with some ruby code inside. The web page actually shows the tags and the code - as if it's all just plain HTML. I take it Ruby isn't parsing the page before it is displayed to the user, but this is where my lack of understanding of the Ruby environment stops me short. Where do I go from here?

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• How to store Ruby method references in a database?

  - by Mad Wombat

  I am writing my first rails app. It needs to aggregate some data from multiple sites and for each site I have a unique way of getting the data (some provide RSS, some JSON, for some I scrape the HTML etc.). These will run on schedule, probably as a rake task from cron. It seems logical to store the sites and relevant information in a model, but I am not sure where to put unique data retrieval methods. Do I store method names in the model? Do I just name the methods the same as site name and call them that way? Basically, I need a way to read a list of sites and call appropriate method for each site. What is the Ruby on Rails way to do it?

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• Installing Rails, MySQL, etc. everything goes wrong

  - by Rits

  I've been struggling with this for a few hours. Everything just stopped working and I can't get it to work anymore. I'm a noob at Ruby, Ruby on Rails and the Terminal in general. This is really frustrating me so I just try to describe my problem as detailed as possible hoping someone can give me a solution. I'm on Mac OS X Snow Leopard. I couldn't get Rails working at all just now: Could not find gem 'rails' headaches But after some tries of reinstalling it, it suddenly worked again. But now I just can't get MySQL to work, and it sometimes even breaks the Rails installation again. This is what I do: sudo gem uninstall rails sudo gem uninstall mysql sudo gem uninstall mysql2 After these commands, I check the installed gems with gem list. No MySQL gem is listed anymore, but I can still see rails (2.3.5, 2.2.2, 1.2.6) . Is this normal? Does this mean I have 3 Rails installations? It doesn't make sense to me. Anyway, then I do this: sudo gem clean Which fails completely. I get a bunch of errors like this: Attempting to uninstall fcgi-0.8.7 Unable to uninstall fcgi-0.8.7: Gem::InstallError: cannot uninstall, check gem list -d fcgi It doesn't uninstall anything. At this point, I try to install everything again. I start with: sudo gem install rails Which succeeds (I think): Successfully installed rails-3.0.3 Successfully installed builder-2.1.2 2 gems installed Installing ri documentation for rails-3.0.3... File not found: lib Then, I update RubyGems: sudo gem update --system sudo gem install rubygems-update sudo update_rubygems Then it says I have 1.3.7 installed, so it succeeded, I think. So now I proceed with installing MySQL. I already got MySQL 5.5.8 installed on my machine. I did some research about installing MySQL on Snow Leopard, and it seems I have to use this command: sudo env ARCHFLAGS="-arch x86_64" gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config I get a bunch of errors like this: No definition for time_set_neg No definition for time_set_second_part No definition for time_equal No definition for error_errno At this point, I assume I got both Rails and the MySQL gem installed, so I try to start a new project. rails new user_group -d mysql It works! Rails is installed correctly. Now, I try generating a model. cd user_group rails generate model User It fails with this error: Could not find gem 'mysql2 (= 0, runtime)' in any of the gem sources listed in your Gemfile. Try running bundle install. So I try running bundle install. It installs a lot of gems. Then I try to generate my model again. I get this error: Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle: dlopen(/Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.16.dylib (LoadError) Referenced from: /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle Reason: image not found - /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle This is as far as I can get. What should I do? And why should this be so hard...

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• How to map hash keys to methods for an encapsulated Ruby class (tableless model)?

  - by user502052

  I am using Ruby on Rails 3 and I am tryng to map a hash (key, value pairs) to an encapsulated Ruby class (tableless model) making the hash key as a class method that returns the value. In the model file I have class Users::Account #< ActiveRecord::Base def initialize(attributes = {}) @id = attributes[:id] @firstname = attributes[:firstname] @lastname = attributes[:lastname] end end def self.to_model(account) JSON.parse(account) end My hash is hash = {\"id\":2,\"firstname\":\"Name_test\",\"lastname\":\"Surname_test\"} I can make account = Users::Account.to_model(hash) that returns (debugging) --- id: 2 firstname: Name_test lastname: Surname_test That works, but if I do account.id I get this error NoMethodError in Users/accountsController#new undefined method `id' for #<Hash:0x00000104cda410> I think because <Hash:0x00000104cda410> is an hash (!) and not the class itself. Also I think that doing account = Users::Account.to_model(hash) is not the right approach. What is wrong? How can I "map" those hash keys to class methods?

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• How do I run a ruby script, that I put in my /lib/tasks/ directory in my Rails app, once?

  - by marcamillion

  Eventually I would like to get to setting it up as a Rake task and do a cron job, but for right now...all I want to do is take my ruby script that used to work as a standalone script and have it work within my Rails app. I renamed the file to be .rake instead of .rb and tried doing rake my_script at the command-line, but that gave me this error message: rake aborted! Don't know how to build task 'my_script' (See full trace by running task with --trace) How do I run this script within my Rails environment? This is the first time I am doing something like this, so any assistance would be greatly appreciated. Thanks.

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• Rails 2.3.11 Server Crashing After 4 Requests

  - by Taka

  I have a Rails 2.3.11 application running on my local Windows machine using InstantRails. I cd to my application directory, run ruby script/server to start the server running, and point my browser to localhost:3000. I get the page I expect, and am able to click a few links to other pages (all of them are static). The problem starts when I load the 4th page or so. My server crashes, with this message: Processing HomeController#index (for 127.0.0.1 at 2012-06-23 15:48:40) [GET] Rendering template within layouts/application Rendering home/index Completed in 11ms (View: 9, DB: 1) | 200 OK [http://localhost/index] C:/rails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/memoizable.rb:46: [BUG] Segmentation fault ruby 1.8.7 (2012-02-08 patchlevel 358) [i386-mingw32] This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. I've uninstalled this gem and reinstalled it, which didn't help. It doesn't seem to be the gem though, because the segmentation fault sometimes occurs in C:/rails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:114 or C:/rails/ruby/lib/ruby/1.8/benchmark.rb:306 Versions: >ruby -v ruby 1.8.7 (2012-02-08 patchlevel 358) [i386-mingw32] >rails -v Rails 2.3.11 I'd like to get this fixed so while I'm developing I don't have to keep restarting my server. Any suggestions?

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• Start Learning Ruby with IronRuby – Setting up the Environment

  - by kazimanzurrashid

  Recently I have decided to learn Ruby and for last few days I am playing with IronRuby. Learning a new thing is always been a fun and when it comes to adorable language like Ruby it becomes more entertaining. Like any other language, first we have to create the development environment. In order to run IronRuby we have to download the binaries form the IronRuby CodePlex project. IronRuby supports both .NET 2.0 and .NET 4, but .NET 4 is the recommended version, you can download either the installation or the zip file. If you download the zip file make sure you added the bin directory in the environment path variable. Once you are done, open up the command prompt and type : ir –v It should print message like: IronRuby 1.0.0.0 on .NET 4.0.30319.1 The ir is 32bit version of IronRuby, if you want to use 64bit you can try ir64. Next, we have to find a editor where we can write our Ruby code as there is currently no integration story of IronRuby with Visual Studio like its twin Iron Python. Among the free IDEs only SharpDevelop has the IronRuby support but it does not have auto complete or debugging built into it, only thing that it supports is the syntax highlighting, so using a text editor which has the same features is nothing different comparing to it. To play with the IronRuby we will be using Notepad++, which can be downloaded from its sourceforge download page. The Notepad++ does have a nice syntax highlighting support : I am using the Vibrant Ink with some little modification. The next thing we have to do is configure the Notepad++ that we can run the Ruby script in IronRuby inside the Notepad++. Lets create a batch(.bat) file in the IronRuby bin directory, which will have the following content: @echo off  cls call ir %1 pause This will make sure that the console will be paused once we run the script. Now click Run->Run in the Notepad++, it will bring up the run dialog and put the following command in the textbox: riir.bat "$(FULL_CURRENT_PATH)" Click the save which will bring another dialog. Type Iron Ruby and assign the shortcut to ctrl + f5 (Same as Visual Studio Start without Debugging) and click ok. Once you are done you will find the IronRuby in the Run menu. Now press ctrl + f5, we will find the ruby script running in the IronRuby. Now there are one last thing that we would like to add which is poor man’s context sensitive help. First, download the ruby language help file from the Ruby Installer site and extract into a directory. Next we will have to install the Language Help Plug-in of Notepad++, click Plugins->Plugin Manger –>Show Plugin Manager and scroll down until you find the plug-in the list, now check the plug-in and click install. Once it is installed it will prompt you to restart the Notepad++, click yes. When the Notepad++ restarts, click the Plugins –> Language Help –> Options –> add and enter the following details and click ok: The chm file location can be different depending upon where you extracted it. Now when you put your in any of ruby keyword and press ctrl + f1 it will take you to the help topic of that keyword. For example, when my caret is in the each of the following code and I press ctrl + f1, it will take me to the each api doc of Array. def loop_demo (1..10).each{ |n| puts n} end loop_demo That’s it for today. Happy Ruby coding.

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