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  • Issues with Sinatra and Heroku

    - by Brian Michel
    So I've created and published a Sinatra app to Heroku without any issues. I've even tested it locally with rackup to make sure it functions fine. There are a series of API calls to various places after a zip code is consumed from the URL, but Heroku just wants to tell me there is an server error. I've added an error page that tries to give me more description, however, it tells me it can't perform a `count' for #, which I assume means hash. Here's the code that I thin it's trying to execute... if weather_doc.root.elements["weather"].children.count > 1 curr_temp = weather_doc.root.elements["weather/current_conditions/temp_f"].attributes["data"] else raise error(404, "Not A Valid Zip Code!") end If anyone wants to bang on it, it can be reached at, http://quiet-journey-14.heroku.com/ , but there's not much to be had.

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  • How to customize the to_json method in rails3?

    - by lashleigh
    I want to convert an array of Place objects to json, I've been doing it like this: var places = <%= @places.to_json.html_safe %>; The only problem is that every place in the @places array has an associated tag list that doesn't get included. I'm using the acts_as_taggable_on gem to handle tags, so to get the tag list for a place I need to say place.tag_list. What do I have to do to get the tag_list included for each place in the javascript array? I think I'll need to write my own to_json method but I don't know how. Thanks

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  • How do i create multiple URLs with /controller/action/ format?

    - by Angela
    I have several controller/actions where no :id needs to be passed. what I did with the first two was make a custom route defining the controller and action. I thought that the default would allow me to create controller/action.xml by using respond_to in the controller, but that doesn't appear to be the right way. How can I create controller/action URL's (some are .xml) without creating a special route with map.connect?

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  • Finding records when using has_many through associations

    - by winter sun
    I have two models, Worker and Project, and they are connected with has_many through association. I manage to find all the projects which are related to a specific worker by writing the following code: worker=Worker.find_by_id("some_id") worker.projects but I want the projects that I get to be only active projects (in the project model I have a status field) I tried to do something like worker.projects(:status_id=>'active') but it didn’t work for me. Can somebody tell me how I can do this?

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  • Parsing data without HMLT tags

    - by user296507
    Hi, I need to extract the actual phone number form the html listed below, but I'm not really sure how to do it using Nokogiri CSS since there are no html tags around it. When an at_css(.phonetitle) it only parse Phone and not the number. <div class="detail"> <span class="address">Corner of Toorak Road and Chapel Street, South Yarra</span><br> <span class="phonetitle">Phone</span> 95435 34341 <br><br> </div>

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  • This is right way for database?

    - by ciss
    Hello, i have some issue with database. Okay, i have two models - Page and Item. Page for displaying some content. Item - this is item discription. So, i work on small ecommerce shop. Okay, all of this models can have some comments. So, this is my Comments model at this moment: Comments - string : id text : body integer : page_id integer : item_id So when some one add comment to page - page_id will be filled with current Page id. And if some one add comment to item - item_id will be filled. Okay, i know what the best way is to create STI or Polymorphic assoc, but does i really need this way for my situation? Sorry for my bad english, i'm from Russia.=)

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  • Sorting an array of structs

    - by keruilin
    I have an array of structs called leaders. The struct class looks like this, for contextual info: class Leader < Struct.new(:rank, :user); end Two questions: How do I sort the array of structs by rank? How do I sort the array of structs by rank and by user.created_at?

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  • Proc causing a random TypeError

    - by go____yourself
    I'm refactoring some code and this proc is causing an error randomly and I don't know why or how to debug it... Any ideas? New code with proc defense_moves, offense_moves = [], [] determine_move = ->move,side,i { side << move.count(move[i]) } defense.size.times { |i| determine_move.(defense, defense_moves, i) } offense.size.times { |i| determine_move.(offense, offense_moves, i) } dm = defense[defense_moves.index(defense_moves.max)].nil? ? [0] : defense[defense_moves.index(defense_moves.max)] om = offense[offense_moves.index(offense_moves.max)].nil? ? [0] : offense[offense_moves.index(offense_moves.max)] Original code: d = 0 defense_moves = [] loop do defense_moves << defense.count(defense[d]) break if defense.count(defense[d]).zero? d += 1 end o = 0 offense_moves = [] loop do offense_moves << offense.count(offense[o]) break if offense.count(offense[o]).zero? o += 1 end dm = defense[defense_moves.index(defense_moves.max)].nil? ? [0] : defense[defense_moves.index(defense_moves.max)] om = offense[offense_moves.index(offense_moves.max)].nil? ? [0] : offense[offense_moves.index(offense_moves.max)] TypeError ttt2.rb:95:in `[]': no implicit conversion from nil to integer (TypeError) from ttt2.rb:95:in `computer_make_move' from ttt2.rb:133:in `draw_board' from ttt2.rb:24:in `place' from ttt2.rb:209:in `block in start_new_game' from ttt2.rb:188:in `loop' from ttt2.rb:188:in `start_new_game' from ttt2.rb:199:in `block in start_new_game' from ttt2.rb:188:in `loop' from ttt2.rb:188:in `start_new_game' from ttt2.rb:199:in `block in start_new_game' from ttt2.rb:188:in `loop' from ttt2.rb:188:in `start_new_game' from ttt2.rb:199:in `block in start_new_game' from ttt2.rb:188:in `loop' from ttt2.rb:188:in `start_new_game' from ttt2.rb:199:in `block in start_new_game' from ttt2.rb:188:in `loop' from ttt2.rb:188:in `start_new_game' from ttt2.rb:234:in `<main>'

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  • How to turn off SSL on heroku

    - by rockyroadster555
    I'm redirecting a domain to Heroku using a cname. Currently Its working but is giving me an ssl error. Is there a way to turn off ssl on heroku? Heres the SSL Error This is probably not the site you are looking for! You attempted to reach app.grewpr.com, but instead you actually reached a server i identifying itself as *.herokuapp.com. This may be caused by a misconfiguration on the server or by something more serious. An attacker on your network could be trying to get you to visit a fake (and potentially harmful) version of app.grewpr.com. You should not proceed, especially if you have never seen this warning before for this site. When I try to go to http://pure-chamber-1979.herokuapp.com/ it automatically redirects me to the ssl version. Is there a way to turn this off?

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  • Uploading an image file with Paperclip (in RoR) causing error.

    - by mtay
    This should be a simple thing to do, but I'm running into a wall and I'm not sure how to debug this response. In my Image model, I have: class Image < ActiveRecord::Base has_attached_file :image, :styles => { :display => "500x500>", :thumbnail => "95x95>"} Then in my Views, my form contains this: -form_for @image, :html => { :multipart => true } do |image| %tr %td.woc_left =label_tag :image, 'photo to upload', :class => 'required' %td.woc_center =image.file_field :image In my Mysql table, I have a column called "image_file_name" (string). However, when I try to upload an image and submit it, I see 2 errors prohibited this from being saved There were problems with the following fields: Image Paperclip::CommandNotFoundError Image Paperclip::CommandNotFoundError What am I doing wrong? Thank you for your help!

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  • NULL value in :conditions =>

    - by Horace Ho
    Contract.all(:conditions => ['voided == ?', 0]).size => 364 Contract.all(:conditions => ['voided != ?', 0]).size => 8 Contract.all.size => 441 the 3 numbers does not added up (364 + 8 != 441). What's the proper way write the :conditions to count the rows which the voided column value is NULL or equal to zero?

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  • Webrick:: Access to public folders (css, js etc)

    - by Nikita Kuhta
    Webrick serves "/" path, but I want to have direct access to css, js and other public folders. if I use DocumentRoot, will handle all public paths too (like css/style.css), because it hadles root path: server = WEBrick::HTTPServer.new( :DocumentRoot => Dir::pwd, :Port=>8080 ) I need to mount_proc my root: server.mount_proc('/') {|req,resp| ...... How to give access to public folders?

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  • Transfer values from one selection box to another

    - by Tonya Cash
    I need to populate the first box with the items from a db table. Users would choose from the first box, and either drag value(items) to the second for selection, or would select items, and then click a button to move them over to the 2nd box. After that I need to update the db with the selected values/items.

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  • Is it valid to include view code in Model?

    - by Shreekumar S
    Guys I'm new to RoR and MVC. I've a model which deals with loan beneficiary's data. To access the structured data (including small piece of HTML data) I created a method like this class Beneficiary < ActiveRecord::Base   def info   "#{name}</br>#{age},#{sex}</br><b>Address :</b>#{address}"   end end And in the view, I'm using this info something like this <%= @b.info.html_safe %> were, b is an instance of Beneficiary class It's working fine for me. I just want to know that, Am i violating the MVC rule here? Is it valid to include view code in Model?

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  • Rails3 - will_paginate plugin strange output

    - by Sam
    I have the will_paginate plugin working in an application, but when I paginate a resource it just spits out the HTML as text, doesn't provide links to the next pages and such. And when I manually type in the URL the plugin is working it just doesn't make <%= will_paginate @products %> into links such as next 1 2 3 ... last Ideas?

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  • Skipping authorization for certain methods

    - by mathee
    Per the Agile Development book, I have an Admin MVC that controls how users log in. In ApplicationController, I have a before_filter that checks for authorization. So, this will check that the user has logged in for every page. The problem is that I want everyone to be able to access the new method, for example, in Users (that is, anyone should be able to create a new user -- naturally! Only admin users should have access to the other methods in UsersController such as edit, etc.). What's the best way to do that?

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  • Is this the correct way to set up has many with multiple associations?

    - by user323763
    I'm trying to set up a new project for a music site. I'm learning ROR and am a bit confused about how to make join models/tables. Does this look right? I have users, playlists, songs, and comments. Users can have multiple playlists. Users can have multiple comments on their profile. Playlists can have multiple songs. Playlists can have comments. Songs can have comments. class CreateTables < ActiveRecord::Migration def self.up create_table :users do |t| t.string :login t.string :email t.string :firstname t.string :lastname t.timestamps end create_table :playlists do |t| t.string :title t.text :description t.timestamps end create_table :songs do |t| t.string :title t.string :artist t.string :album t.integer :duration t.string :image t.string :source t.timestamps end create_table :comments do |t| t.string :title t.text :body t.timestamps end create_table :users_playlists do |t| t.integer :user_id t.integer :playlist_id t.timestamps end create_table :playlists_songs do |t| t.integer :playlist_id t.integer :song_id t.integer :position t.timestamps end create_table :users_comments do |t| t.integer :user_id t.integer :comment_id t.timestamps end create_table :playlists_comments do |t| t.integer :playlist_id t.integer :comment_id t.timestamps end create_table :songs_comments do |t| t.integer :song_id t.integer :comment_id t.timestamps end end def self.down drop_table :playlists drop_table :comments drop_table :songs_comments drop_table :users_comments drop_table :users_playlists drop_table :users drop_table :playlists drop_table :songs drop_table :playlists end end

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  • exactly what does rake db:migrate do?

    - by happythenewsad
    Does rake db:migrate only add new migrations, or does it drop all migrations/changes and build everything new? I think rake is throwing an error because it is trying to access a table attribute in migration 040 that was deleted in migration 042. somehow my DB and rake are out of synch and I want to fix them. for you experts out there - is it common for rake to get out of synch with migrations? how can I avoid this (no, I do not hand-edit my schema or rake files).

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  • get random password with puppet function

    - by ninja-2
    I have a function that allow me to generate random password. My function is working well without a puppetmaster. When i tried with a master an error appear when I called the function : Error 400 on SERVER: bad value for range Here is my function module Puppet::Parser::Functions newfunction(:get_random_password, :type => :rvalue, :doc => <<-EOS Returns a random password. EOS ) do |args| raise(Puppet::ParseError, "get_random_password(): Wrong number of arguments " + "given (#{args.size} for 1)") if args.size != 1 specials = ((33..33).to_a + (35..38).to_a + (40..47).to_a + (58..64).to_a + (91..93).to_a + (95..96).to_a + (123..125).to_a).pack('U*').chars.to_a numbers = (0..9).to_a alphal = ('a'..'z').to_a alphau = ('A'..'Z').to_a length = args[0] CHARS = (alphal + specials + numbers + alphau) pwd = CHARS.sort_by { rand }.join[0...length] return pwd end end The function is called in both case with $pwd = get_random_password(10). When I specified the length directly in the function to 10 for example. the password is well generated in master mode. Have you any idea why i can't specify the lentgth value ? Thanks for any help.

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  • acts_as_tree and to_json or from_json

    - by Sohan
    Hello: Does anyone have a solution to convert an acts_as_tree model to json that includes all its nodes? I trued using :include=:children, but that only goes down to one single level. Any idea how to iterate the whole tree?

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  • undefined method `output_data' for #<EventManager:0x007fa4220320c8> (NoMethodError)

    - by Roger Camps
    I keep getting this error: event_manager.rb:83:in': undefined method output_data' for #<EventManager:0x007fc5018320c0> (NoMethodError) I am following the exercise on this website: Here is my code (My error comes towards the end with DEF OUTPUT_DATA ...): # Dependencies require "csv" # Class Definition class EventManager INVALID_PHONE_NUMBER = "0000000000" INVALID_ZIPCODE = "00000" def initialize puts "EventManager Initialized." filename = "event_attendees.csv" @file = CSV.open(filename, {:headers => true, :header_converters => :symbol}) end def print_names @file.each do |line| puts line.inspect puts line[2] + " " + line[3] end end #printing home phone number method def print_numbers @file.each do |line| number = clean_number(line[:homephone]) puts number end end #cleaning numbers method def clean_number(number) cleaner= number.delete('.' + ')' + '(' + '-') if cleaner.length == 10 # Do Nothing elsif cleaner.length == 11 if cleaner.start_with?("1") cleaner = cleaner[1..-1] else cleaner = INVALID_PHONE_NUMBER end else cleaner = INVALID_PHONE_NUMBER end return cleaner end def clean_zipcode(original) if original.nil? zipcode = INVALID_ZIPCODE elsif original.length < 5 while original.length < 5 original = original.insert(0, "0") end else return original end return zipcode end def print_zipcodes @file.each do |line| zipcode = clean_zipcode(line[:zipcode]) puts zipcode end def output_data output = CSV.open("event_attendees_clean.csv", "w") @file.each do |line| output << line end end end end # Script manager = EventManager.new #manager.print_numbers #manager.print_zipcodes manager.output_data I've tried several things, checked all through the internet and I just can't figure it out myself. I will really appreciate any help. Thank you in advance!

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  • NoMethodError / undefined method `foobar_path' when using form_for

    - by user1850886
    I'm using form_for to create a chatroom and when I view the page I get the following error: NoMethodError in Chatrooms#new undefined method `chatrooms_path' for #<#<Class:0xa862b94>:0xa5307f0> Here's the code for the view, located in app/views/chatrooms/new.html.erb: <div class="center"> <%= form_for(@chatroom) do |f| %> <%=f.text_field :topic%> <br> <%=f.submit "Start a discussion", class: "btn btn-large btn-primary"%> <% end %> </div> Here's the relevant controller: class ChatroomsController < ApplicationController def new @chatroom = Chatroom.new end def show @chatroom = Chatroom.find(params[:id]) end end If I change the line <%= form_for(@chatroom) do |f| %> to <%= form_for(:chatroom) do |f| %> it works fine. I've searched around for similar questions but none of the solutions have worked for me. Help?

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