fixed issue#314

app/controllers/users_controller.rb

@@ -148,9 +148,10 @@ class UsersController < ApplicationController
       end  
   end 
   
-  # added by fq
+  # added by fq, modify by nyan
   def user_courses   
-    @membership = @user.memberships.all(:conditions => Project.visible_condition(User.current)).reverse 
+    @membership = @user.memberships.all(:conditions => Project.visible_condition(User.current))
+    @membership.sort! {|older, newer| newer.created_on <=> older.created_on }
     case params[:type]      
     when "2"        
       #@membership = @user.memberships.all(:conditions => Project.visible_condition(User.current))