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The Error Occurred While Evaluating Nil Name

So: @my_ids_and_names = Hash.new @my_ids.each do |cid| @my_ids_and_names[cid] = Array.new @my_ids_and_names[cid][0] = my_id @my_ids_and_names[cid][1] = MyModel.find(my_id).internal_name end @my_ids_and_names Which can be further simplified to: @my_ids_and_names = {} @my_ids.each do |cid| @my_ids_and_names[cid] Any help would be appreciated. Next, never use 'for .. Is there such a thing? –Vlad.P Dec 2 '10 at 16:34 How can you see the posts and get the nil.each error at the same time? have a peek at these guys

But yes, maybe the .each loop would work the same. –KARASZI István Jan 3 '12 at 22:18 add a comment| Your Answer draft saved draft discarded Sign up or log Encode the alphabet cipher Does the mass of sulfur really decrease when dissolved in water and increase when burnt? Badbox when using package todonotes and command missingfigure Has an SRB been considered for use in orbit to launch to escape velocity? Join them; it only takes a minute: Sign up Why do I get “The error occurred while evaluating nil.<=>” when using sort_by?

Colin Report post Edit Delete Reply with quote Re: Re: Re: You have a nil object when you didn't expect it! And BTW everyone knows that online romances never last... -- Phlip http://c2.com/cgi/wiki?AssertYinYang Report post Edit Delete Reply with quote Re: Please help. before sorting to ensure you have no nil values in the array. Just updated an app to rails 3.1 and the new paperclip.

Naveed Alam (nyt1972) on 2016-04-08 13:51 > > Colin I get the following error when I goto the privilege page. Colin Law (Guest) on 2016-03-31 12:28 On 31 March 2016 at 10:05, Naveed Alam wrote: > BINARY(?)",params[:id]]) > to > @user = User.active.find_by_username(params[:id]) > > and it solved the problem. Reload to refresh your session. Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc.

PS: I see that they are displayed here but what if I want to display them in the root folder ( ruby-on-rails ruby null share|improve this question edited Dec 2 I am more familiar with two dimensional arrays but I guess it's time to think more rubyish. blank in Ruby on Rails2Ruby on rails session = nil58Is there a Ruby, or Ruby-ism for not_nil? http://stackoverflow.com/questions/9708804/the-error-occurred-while-evaluating-nil-sort-by Does Wi-Fi traffic from one client to another travel via the access point?

I initialize this object in init.rb, but could you try adding an initializer in your app and adding your own defaults? I always think of hashes as associative arrays but I guess the syntax just has to be right :) –Michael Durrant Jan 3 '12 at 22:03 I like the more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed It should be default to a empty hash, not nil.

What to do when majority of the students do not bother to do peer grading assignment? Browse other questions tagged ruby sorting enumerable or ask your own question. Badbox when using package todonotes and command missingfigure Is it Possible to Write Straight Eights in 12/8 Output a googol copies of a string Secret of the universe Why does Fleur false : (role_plugin_hash.include?

Have you created a posts table? http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-map.html Are MySQL's database files encrypted? share|improve this answer answered Dec 2 '10 at 16:17 auralbee 4,61721528 Yes, I can see them on the /posts but I was thinking of a global variable type for Register here.

and I guess the error is trying to be helpful since sort_by is a method of Array. When add the code from def index to def all on articles_controller my problem disapear. The .each should work then. check my blog If (as I suspect), it doesn't, my guess is that somehow a different controller from the one you posted above gets executed.

Ghost Updates on Mac How is being able to break into any Linux machine through grub2 secure? Hope that helps you figure out what's going wrong -- and let us know what solved the problem for you! Was the term "Quadrant" invented for Star Trek In order to become a pilot, should an individual have an above average mathematical ability?

Then you can put it on any view as long as you initialize the collection inside of each used controller action.

Contact information - E-Mail: webmaster (at) ruby-forum (dot) com. ブログトップ 記事一覧 ログイン 無料ブログ開設 satake7’s memo <[Ruby][Rails]to_int に気をつけ...|[Rails][Ruby]RubyとERBのコメン...> 2008-05-27 Rails初心者Tips Railsのエラー Rails 喉元過ぎれば熱さ忘れるということもあり、あとで同じようなことが起きたときに「あれ、なんだっけ?」とならないようにメモ。エラーメッセージをググって探しにくる人のためになればなおよろし。 NoMethodError (undefined method `params?' for #): ItemsController には `params?' Colin Law (Guest) on 2016-04-08 14:42 On 8 April 2016 at 12:51, Naveed Alam wrote: > You have a nil object when you didn't expect it! > privilege_tag.privileges.all(:conditions=>"name<>'FinanceControl'",:order=>"priority > ASC").select{|p| Ghost Updates on Mac What do you call someone without a nationality? The error occurred while evaluating nil.name Frederick Cheung (Guest) on 2008-04-24 17:05 On 24 Apr 2008, at 15:51, nameth wrote: > > Okay so heres my code which works fine, i'll

Forum List Topic List New Topic Search Register User List Log In Powered by RForum and Captchator. but dont know why not the above line working? asked 4 years ago viewed 536 times active 4 years ago Related 704How can I create a two dimensional array in JavaScript?4How to make dynamic multi-dimensional array in ruby?246How do you http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-each.html Report post Edit Delete Reply with quote Re: Re: You have a nil object when you didn't expect it!

member sikachu commented Sep 23, 2011 Interesting. I prefer the fundamental each operator: @results.each do |result| In either case, you can use all the code you've got, but replace all the @results[num] references with result (or something more You signed out in another tab or window. The code used to work on 0.2.2, but causes an error with 0.3.1 on Rails 2.2.2 Owner hgmnz commented Feb 8, 2010 I am still unable to reproduce this.

Was the term "Quadrant" invented for Star Trek Are MySQL's database files encrypted? The word_boundary option was introduced in the latest version, 0.3.1, which I see is what you have installed. But I wish to list them into the home (root). –Vlad.P Dec 2 '10 at 22:00 add a comment| up vote 1 down vote The error is (as you probably suspected) Also, try adding a @contacts.compact!

Thanks for reporting the issue. true : false end end Report post Edit Delete Reply with quote Re: Re: You have a nil object when you didn't expect it! Why does removing Iceweasel nuke GNOME? My advisor refuses to write me a recommendation for my PhD application Should I define the relations between tables in the database or just in code?

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