ruby-on-rails-3.2

I have some Ruby methods certain (or all) controllers need. I tried putting them in /app/helpers/application_helper.rb . I've used that for methods to be used in views. But controllers don't see those methods. Is there another place I should put them or do I need to access those helper methods differently? Using latest stable Rails. You should define the method inside ApplicationController . John Cleary For Rails 4 onwards, concerns are the way to go. There is a decent article here http://richonrails.com/articles/rails-4-code-concerns-in-active-record-models In essence, if you look in your

Seems the last post for this problem was closed for one reason or another so I'll try my luck... I'm trying to run a simple "rake db:migrate" command. When I do, I get the error in the title. Yes, the solution "appears" obvious but it's not because I don't my Rakefile does not contain any references to 'rake/rdoctask'. It seems to be coming from documentation.rake but when I try to change that file as recommended by the error, I get a different error. I have found a couple of posts declaring this to be a known issue but nothing I've found indicates how to fix or work around this. Does anyone

I have read it from the Rails guides, Have looked at Micheal Hartel book and now reading it from Rails View book but still I get confused :( There is a _footer.html.erb file so it is a "partial" and in the code it has written: <%=render 'layouts/footer' %> so my understanding is that when it sees this, goes and insert the HTML for footer file in here. Ok... Now a few pages later it is saying: <%= render partial: 'activitiy_items/recent' %> so WHY this time we have the word "partial" in here but we didn't have it in the previous one? And there somewhere else I see <%= yield :sidebar %> So this

Without using any gems how do I do this in rails? Main Category Sub Category Sub Category Sub Category Main Category Sub Category Sub Category Sub Category Main Category Sub Category Sub Category Sub Category I have a table that consists of | id | level1 | level2 | Level 1 being the main category and Level 2 being the subcategory I would like it displayed in the view like above. After looking around on the internet everyone seems to recommend using acts-like-a-tree gem, but i want to avoid using them as I'm fairly new to rails and I would like to understand how to do things rather than turn to

When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids When I open the file it is outputting a 4 digit number only so how could I resolve this issue ? FYI No other instance of Rails cmd is running this time. Checked Task manager but only cmd.exe is showing no else process is running. (using Windows). rainkinz Remove the file: C:/Sites/folder/Pids/Server.pids Taimoor Changaiz Old Solution: rails s -p 4000 -P tmp/pids/server2.pid Also you can find this post for more options Rails Update to 3.2.11 breaks running