Tagged Questions

Ruby is an open-source dynamic object-oriented interpreted language created by Yukihiro Matsumoto (Matz) in 1993.

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0
votes
3answers
15 views

define sum function in Ruby

Please help, I am a Ruby student, I know how to do the .sum method but not this: how do you define a sum function for an array so that providing any elements will result in the sum of them. The format ...
2
votes
3answers
19 views

Pair elements from two different Arrays into a Hash in Ruby

Let's say I have this two Arrays: a = [1, 2, 3, 4, 5] b = [6, 7, 8, 9, 10] What I want to get is a Hash as follows: c = { 1 => [1, 6], 2 => [2, 7], 3 => [3, 8], 4 => [4, 9], 5 => ...
0
votes
0answers
5 views

Build UDP datagram in Ruby

Is there anything in the Ruby library, or as a Ruby gem, that would help me construct a UDP datagram? I've looked into sockets, but there doesn't seem to be a way to simply build one and not send it. ...
0
votes
0answers
5 views

Rhomobile: Read txt file and show content Ruby

i want to open, read and show a txt file in my Rhomobile app. First, i want to show the complete content of the file. But here is my problem. def text fileName = ...
0
votes
0answers
10 views

how to run ruby script in rails server

I have to run a ruby script in rails server. Because my cronjob is written ruby script. But when I ssh into the server and execute ruby script.rb it says ruby command not found also I run ...
0
votes
0answers
11 views

SublimeText2 auto complete wrong for ruby do block

The auto complete for my ruby do blocks in SublimeText2 started auto completing this: downto(0) { nnn } instead of do..end. I have not changed any settings recently so I am at a bit of a loss.
0
votes
4answers
27 views

Template is Missing Error

I am trying to run a simple blog post at localhost:3000/posts. When I try to access the page, I receive this error. Template is missing Missing template posts/index, application/index with ...
1
vote
0answers
19 views

Route not found when using Devise's devise_scope

I am using devise for authentication in my app. My routes file look like this: devise_scope :user do get "/password_reset" => "devise/passwords#new", :as => "new_user_password" post ...
1
vote
1answer
13 views

git push heroku master issue

I am having a problem with my application not being uploaded to heroku. When I typed in: git push heroku master I get an error at the end: **Results logged to ...
1
vote
0answers
19 views

Rails Project on EC2

I have successfully deployed rails project on EC2. Here are the steps: Clone rails project from github Set up database and database.yml Run rake db:migrate Run rake assets: precompile Start rails ...
0
votes
1answer
29 views

How to include lib directory in rspec tests

I am having a problem in testing my gem which includes a lib directory, on JRuby 1.7.4. I want to test a file located at lib/vger/resources/account_manager.rb class Vger::Resources::AccountManager ...
1
vote
0answers
8 views

Requirements OS X Brew libs install error

I am trying to make a clean install from RVM to my MacBook and I have a lot of work with the RVM requirements. I started to install separately, but I have this error: $ rvm requirements Installing ...
2
votes
2answers
31 views

How to get path of instance?

I want to design a class as below: class A @@instances ||= [] attr_reader :path, :name def initialize name @name = name @path = # I don't know how to get the path of ...
1
vote
5answers
33 views

Can't fill hash in Ruby on Rails controller

I am working on an application and I need to fill in a hash with empty values if it does not already have values. @pet[] contains 3 hashes, each should have a :name, :age and :pet_type_id. The ...
0
votes
1answer
15 views

Ruby on Rails: Linking to resource show page results in No Route Matches

I have been working on my first project in rails and have stumbled across a problem while using tags. I have it working so when the user clicks a tag it shows all entries associated with that tag. ...

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