My Experience With Programming by G S Rao

please follow the below link http://ruboto.org/

Refer below link http://lindsaar.net/2008/2/21/history-buttons-with-ajax-and-ruby-on-rails and use the code window.dhtmlHistory.create({ toJSON: function(o) { return JSON.stringify(o); } , fromJSON: function(s) { return JSON.parse(s); } }); instead of window .dhtmlHistory.create({ toJSON: function (o) { return Object .toJSON(o); }, fromJSON: function (s) { return s.evalJSON(); } }); on that post Happy learning

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Error :- down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) [2012-03-20 15:08:28] ERROR NoMethodError: You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.each     /usr/local/lib/ruby/gems/1.9.1/gems/rack-1.3.6/lib/rack/handler/webrick.rb:71:in `service'     /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'     /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'     /usr/local/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread' cache: [GET /assets/kanga_custom/search_merchant.js?body=1] miss, ...

By using each_slice we can convert single dimension array in to multi dimention array foo . each_slice ( 3 ). to_a #=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10"]]

create an android app by phonegap http://mobile.tutsplus.com/tutorials/phonegap/creating-an-android-hello-world-application-with-phonegap/ rhoconnect for data synchronization http://docs.rhomobile.com/rhoconnect/command-line phonegap home page http://phonegap.com rhomobile impotent doc http://docs.rhomobile.com/rhoconnect/install#rhoconnect-gem-for-linux-and-non-rhostudio http://docs.rhomobile.com/rhodes/install#rhodes-gem-for-linux-and-non-rhostudio https://app.rhohub.com/ buld phonegap buld https://build.phonegap.com/apps phonegap starting tutorial http://phonegap.com/start phonegap docs api http://docs.phonegap.com/en/1.5.0/index.html

Rails production server assets precompile command debugging way RAILS_ENV=production bundle exec rake assets:precompile --trace

I used the script <script type = "text/javascript"> function closeWindow(){ window.open('','_self',''); window.close(); } </script> this works well with IE (it overrides prompt) and chrome but is not working with Firefox as by default Firefox don't allow to close tab using JavaScript It is needed to follow these steps in Firefox 1. Go to address bar and type about:config 2. Go to parameter dom.allow_scripts_to_close_windows 3. Set its value as true

https://github.com/popular/forked https://rubyforge.org/account/login.php http://www.redmine.org/login http://www.opensourcerails.com/ https://github.com/wycats/merb-core/tree http://rubygame.org/ http://www.thepeoplesfeed.com/ http://raa.ruby-lang.org/ http://ironruby.net/ http://datamapper.org/ http://www.webresourcesdepot.com/23-amazing-and-open-source-ruby-on-rails-applications/

rails if we make zip_code as integer value in database it will not gives the zip_code validations when we give zip_code as 01234 it takes as 1234 like all prefix zeros solution:- we have to to make zip_code as string then it will validates zip_code properly to all zip_codes like 01234

http://cobaltedge.com/rails-action-caching-with-query-parameters