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• How do I set IP access / password restrictions in Apache?

  - by Mouthbreather

  I'd like to restrict access to my Rails app (running on Apache/Passenger) to just two IPs, but if the visitor doesn't fall into those two IPs, I would like for him/her to be prompted to enter a password that would allow any user with the proper credentials to access the site from anywhere. I am new to configuring Apache and would appreciate any hints. Thanks!

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• VIM Blockwise Insert

  - by tesmar

  HI all! I would like to insert a hash at the beginning of a selected block of text in VIM (ruby comment). I selected the lines in Visual Mode, but how do I perform the same operation to all lines? Thank you in advance!

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• StringScanner scanning IO instead of a string

  - by jes5199

  I've got a parser written using ruby's standard StringScanner. It would be nice if I could use it on streaming files. Is there an equivalent to StringScanner that doesn't require me to load the whole string into memory?

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• Can I have both index and create actions in the index view?

  - by cravr

  Hi all, Using the perennial example of a Blog webapp (and all resources are currently automatically mapped in routes.rb): I have a simple index page that lists all my Post titles. I would like to add a form at the bottom of this page to quickly create new Posts. I'm new to Rails and can't seem to figure this out! Please help!

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• rake does not returning anything

  - by CHID

  Hi, I jus created a rails application. I created a model using ruby script/generate model Article next i edited the my articles.rb file by adding these lines in self.up method def self.up create_table :articles do |t| t.string :title t.text :body t.string :published_at t.timestamps end end Now i ran rake db:migrate . But migrate does not work, it simply does no print anything. Anyone knows where i am going wrong?

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• How do I implement real time front end updates using node.js+ + ror?

  - by ming yeow

  what is the best way to implement real time updates in ruby on rails using Node.JS? It would be great to hear either real examples or your thoughts on alternative solutions

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• Check directory for files, retrieve first file

  - by Lowgain

  I'm writing a small ruby daemon that I am hoping will do the following: Check if a specific directory has files (in this case, .yml files) If so, take the first file (numerically sorted preferrably), and parse into a hash Do a 'yield', with this hash as the argument What I have right now is like: loop do get_next_in_queue { |s| THINGS } end def get_next_in_queue queue_dir = Dir[File.dirname(__FILE__)+'/../queue'] info = YAML::load_file(queue_dir[0]) #not sure if this works or not yield info end I'd like to make the yield conditional if possible, so it only happens if a file is actually found. Thanks!

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• Do I still need source :gemcutter in Gemfile?

  - by TK

  I have a file "Gemfile" in my Rails project root. It says source :gemcutter in the very first line. Do I still need the line? If I'm correct, http://rubygems.org/ is the official source, and Gem Cutter was merged into rubygems.org.

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• How to do a Post/Redirect/Get using Sinatra?

  - by John Topley

  What's Sinatra's equivalent of Rails' redirect_to method? I need to follow a Post/Redirect/Get flow for a form submission whilst preserving the instance variables that are passed to my view. Does the redirect method preserve them? (I'm at work at the moment and don't have access to Sinatra to try for myself.)

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• Speech recognition webservice that scores the accuracy of one audio clips vs. another?

  - by wgpubs

  Does such a thing exist? Building a Rails based web application where users can upload an audio file of them speaking that then needs to be compared to another audio file for the purposes of determining how similar to voices are. Ideally I'd like to simply get a response that gives me a score of how similar they are in terms of percentage (e.g. 75% similar etc...). Anyone have any ideas? Thanks

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• Creating has_many relationships in ActiveRecord without :primary_key

  - by kmorris511

  I'm working with an older version of Rails and ActiveRecord that does not have the :primary_key option in has_many relationships of more recent ActiveRecord versions and unfortunately I don't get to control when we upgrade. Is there any way to hack this solution via :conditions or :finder_sql options?

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• Is it worth learning C# or Java in 2010

  - by Dhawal

  We are in web era standalone applications are almost gone everyone wants their internet application to run inside browser, programming languages like Ruby, Python and scala are becoming more and more mainstream. Sometimes I wonder what these programming language offer which make them top choice of IT companies, if I plan to become a freelance web developer is it worth learning C# or Java. I read beginner's book for both of them, but to master any of them require some time investment.

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• Looping through an array while adding the data to a string and finally returning it, a faster way?

  - by Hadi

  Getting the customer's to_s method by looping through Is there a Ruby idiom to write the code in 1 line (or shorter than 3 lines of code)? def method string = "" @customers.each { |customer| string += customer.to_s + "\n" } string end

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• Reloading an object not working in rspec

  - by Eric Baldwin

  I am trying to test a controller method with the following code: it "should set an approved_at date and email the campaign's client" do @campaign = Campaign.create(valid_attributes) post :approve, id: @campaign.id.to_s @campaign.reload @campaign.approved_at.should_not be(nil) end However, when I run this test, I get the following error: Failure/Error: @campaign.reload ActiveRecord::RecordNotFound: Couldn't find Campaign without an ID When I run the analagous lines in the rails console, the reload works and the value is set as I need it to be. Why isn't reload working for me when I run the code in an rspec test?

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• Sinatra programatically get port and other information about service

  - by Poul

  I have a sinatra service foo.rb To run it I on a different port I would type "ruby foo.rb -p 5000". While the program is running I would like to be able to get the port (in this case 5000) and other information. Is there a way to get info like this while the app is running? Thanks

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• How to use paperclip to upload file to web hosting via ftp

  - by neokain

  from title, I create Rails application and use Paperclip to manage file upload but I don't want to store file in local machine, I want to store file in other machine via ftp. Paperclip provide to store file in S3 storage, I want to make paperclip can do like S3 but via ftp. Help me please.

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• why the sexp has array in the end

  - by dorelal

  RubyParser.new.parse "1+1" s(:call, s(:lit, 1), :+, s(:array, s(:lit, 1))) Above code is from this link Why there is array after + in the Sexp. I am just trying to learn ruby parser and the whole AST thing. I have been programming for a while but have no formal education in computer science. So do point to good article which explains AST etc. Please no dragon book. I tried couple of times but couldn't understand much of that book

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• MIgrations and Rspec

  - by pablorc

  Hi, I'm developing a Rails application with Rspec for unit testing. Weeks ago, Rspec used to migrate the database to the last version automatically when executing 'rake spec', but now it doesn't do it automatically, I have to implement everything for myself. This happens in test environment, because my development data doesn't desappear. Is my fault? I didn't change anything, I think :) Thanks in advance.

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• Is SQLite a good solution to backup a postgres or mysql database ?

  - by clmntlxndr

  Hi all ! I'm using the Sequel (Taps) ruby gem for a remote backup of my production database (PostgreSQL). I wonder if storing that backup with SQLite is a good solution. What's your feeling ? Thx !

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• Can i get RSpec to generate specs with expect syntax?

  - by papirtiger

  When generating specs with : rails g controller Home index A spec is generated with the older object.should syntax require 'spec_helper' describe HomeController do describe "GET 'index'" do it "returns http success" do get 'index' response.should be_success end end end Is it possible to configure the generator to use the expect syntax instead? Desired output: require 'spec_helper' describe HomeController do describe "GET 'index'" do it "returns http success" do get 'index' expect(response).to be_success end end end in config/application.rb: config.generators do |g| g.test_framework :rspec, fixture: true g.fixture_replacement :factory_girl, dir: 'spec/factories' g.view_specs false g.stylesheets = false g.javascripts = false end

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• Has anyone successfully deployed on heroku from a windows platform ?

  - by dakull

  I've been reading all kinds of tutorials on how to deploy rails apps on heroku from windows. I've tried installing git, heroku gem, generating ssh keys and setting paths and everything... I get either public key error (without putty) or fatal no auth found (with putty)...

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• Coding alternative shaded rows?

  - by ming yeow

  I want alternative rows in my table to be shaded. what is the best way to do this, javascript, rails? Today, i do a simple <% num % 2%, but this is such a common operation that i think there should be a smarter way to do it

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• How to create an after_save callback on runtime

  - by dorelal

  I am using ruby on rails 2.3.5 . I have user instance. On run time depending on certain conditions I want to add an after_save callback just for this instance. The other issue is that this after_save should take a block or a proc as parameter. What I want is something like this. This is psuedo code. user = User.first proc = Proc.new do puts 'this is foo' end user.after_save proc

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• validation of special characters

  - by jpallavi

  i want to put validation in ruby on rails that my username should not contain special characters like !@#$%^*()_-+=/<?:'";. Please tell me how can i implement it in my code.

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• Permission denied for folder creation using background_fu

  - by Anubhaw

  Hi All, I am calling a controller method to convert a video file. This process is called using background_fu job. When the function tries to create a new folder in rails root it gives error i.e. Permission denied. The function performs well if not called in background job process. Can any one point out what can be the trouble. Thanks in advance, Anubhaw

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