I'm thinking of storing the view, what i mean by view is like this: app/views/profiles/index.html.haml into this i would do $view = self then in other parts of my app i would use and edit the $view var. it might get troubles? ...
Hi, I have this nice class ErrorFormBuilder that allows me to add the error description near the corresponding field in the form view : class ErrorFormBuilder < ActionView::Helpers::FormBuilder #Adds error message directly inline to a form label #Accepts all the options normall passed to form.label as well as: # :hide_errors...
Just wondering if it is possible, by some loophole, to define a method name that ends in a colon. The purpose it to make things look like this: mymethod: arg1,arg2,arg3 ...
Greetings, I want to tinker with the global memcache object, and I found the following problems. Cache is a constant Cache is a module I only want to modify the behavior of Cache globally for a small section of code for a possible major performance gain. Since Cache is a module, I can't re-assign it, or encapsulate it. I Would Lik...
Rails is setting and returning a remember_token cookie like this: = cookies[:remember_token] = value6c69b17681d2bf316f8eexpiresThu Jun 10 14:55:00 -0400 2010 In other words, when I'm calling the cookie I don't just get the value. Why is this? I am setting the cookie as follows: cookies[:remember_token] = { :value => @user.remember_...
Hi all, I'm just starting to dabble in consuming a JSON webservice, and I am having a little trouble working out the best way to get to the actual data elements. I am receiving a response which has been converted into a ruby hash using the JSON.parse method. The hash looks like this: {"response"=>{"code"=>2002, "payload"=>{"topic"=>[...
Greetings, I've been trying to tinker with a global Cache module, but I can't figure out why this isn't working. Does anyone have any suggestions? This is the error produced for the below code: NameError: undefined method get' for moduleCache' from (irb):21:in `alias_method' module Cache def self.get puts "original" ...
I had an argument with a colleague about the best way to assign a variable in an if..else block. His orignal code was : @products = if params[:category] Category.find(params[:category]).products else Product.all end I rewrote it this way : if params[:category] @products = Category.find(params[:category]).products else @produc...
I have this: require 'tempfile' t = Tempfile.new('test-data') t.open t.sync = true t << "apples" t.puts "bananas" puts "contents are [#{t.read}] (#{t.size} bytes)" t.close This prints: contents are [] (14 bytes) Why aren't the contents actually shown? I'm on Ruby 1.9.2. ...
I want to run a paperclip method on create only has_attached_file :file This method doesn't seem to accept the :on => :create that some other rails methods do. I tried: before_create after_create etc, but those didn't work. I also did: if :create How can I test if the controller is using the create method from the model? Than...
Is there a way to check which controller method was called from within the model? Example: Say the controller create method was called: def create do something end Then in the model do something only when create in the controller was called if create? do something end ...
I am displaying a list of articles. I sort my articles by the param order and I want when displaying the list of article to be able to "move" them up or down. In php I do everything with a for browsing my array of results and inside the for I go to the next index to find where I am in the list, and with which other article I must swap m...
Instead of serving my Sass files from the default 'views' directory I'd like to change this to /assets/sass The following attempts are in my main ruby root file in the app: Attempt 1 set :sass, Proc.new { File.join(root, "assets/sass") } get '/stylesheet.css' do sass :core end With this I get the following error: myapp.rb:17 ...
I'm working on an app that needs to be able to send out email updates and then route the reply back to the original item. All emails will come to a single address (this can't change unfortunately), and I need to be able to determine where they go. My initial thought was setting the message-id for the item so that it comes back as a Ref...
I don't have multiple threads or anything like that, and I thought select() was non-blocking, however, as I add more items to an array used as the IO object, and using select(), after about 1000~ items in the array (with some interaction on them).. the whole script exits with a deadlock / fatal error... Hope any1 could help Thank you so...
Rake allows for the following syntax: task :my_task, :arg1, :arg2 do |t, args| puts "Args were: #{args}" end I'd like to be able to do the same, but with RSpecs SpecTask. The following unfortunately fails: desc "Run example with argument" SpecTask.new('my_task'), :datafile do |t, args| t.spec_files = FileList['*_spec.rb -datafil...
Is this code threadsafe? It seems like it should be, because @myvar will never be assigned from multiple threads (assuming block completes in < 1s). But do I need to be worried about a situation where the second block is trying to read @myvar as it's being written? require 'rubygems' require 'eventmachine' @myvar = Time.now.to_i Eve...
I'm trying to solve a Project Euler problem using Ruby, I used 4 different looping methods, the for-loop, times, range and upto method, however the times method only produces the expected answer, while the for-loop, range and upto method does not. I'm assuming that they are somewhat the same, but I found out it's not. Can someone please ...
I want to have username URLs and Base 58 short URLs to resources both off of the root url like this: http://mydomain.com/username #=> goes to given user http://mydomain.com/a3x9 #=> goes to given story I am aware of the possibilities of a user names conflicting with short urls, and I have a workaround, but what I can't figure out is ...
we have made the following code and trying to run it. class Numeric def gram self end alias_method :grams, :gram def of(name) ingredient = Ingredient.new(name) ingredient.quantity=self return ingredient end end class Ingredient def initialize(n) @@name= n end def quantity=(o) @@quant...