Tagged Questions

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

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Post to facebook using Graph API and ruby

I'm playing with facebook Graph API and wanted to post to my timeline using ruby. While posting using only URL I used ...
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How to downgrade rubygem version at heroku

My current App is Using Cedar Stack with gem --version (1.8.24) but my App is designed with gem --version (1.4.2) and this causes app unable to run at heroku (cedar) Environment.. The old app is ...
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Alternative to ActiveResource for XML?

ActiveResource fail to perform a simple find by id over XML so have to use: self.all.select{|a|a.id.to_s == id.to_s}.first Searching for a replacement found Her, but ORM is only for JSON and not ...
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Active Record :includes with limit and order by foreign key

Post.includes(:comments).order('timestamp DESC'.limit(5).to_a.size returns 5 and produces this SQL code: SELECT "posts".* FROM "posts" ORDER BY "posts"."timestamp" LIMIT 5 SELECT "comments".* FROM ...
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7 views

RVM Not Finding Library

I am running CentOS 5.9 and installed RVM on it. However, whenever I run rvm requirements or rvm install 1.9.3, I get: --> Processing Dependency: libyaml-0.so.1()(64bit) for package: libyaml-devel ...
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How to test Mobile app using cucumber-ruby with selenium2 webdriver

My website has two view one is web app and second is mobile app(ios and iphone). I have tested my web app with cucumber, with selenium web-driver and language is Ruby. Now I want to test Mobile view ...
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post request of digest auth in ruby

I'm fighting with post request of digest auth a few days and still can't get how to send json body. Please help me! Server told that i got in, but by json was not used. i'm using net/http/digest_auth ...
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1answer
26 views

In ruby on rails how to get data from client side(android)

Android as a client side,i am sending data from client side to server side.Ruby on rails as server side,how to fetch data from client side using the post method. I want to get the data from client ...
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1answer
43 views

What is the complexity of Ruby's Array#insert?

What is the complexity of Ruby's Array#insert? Is it O(1) or O(n) (memory is copied)?
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27 views

Rails source code, what does 'autoload' do?

I am quite new to ruby. I am reading rails' source code to hence my understanding of the language. In the source code, there are lots of module extend ActiveSupport::Autoload module and use the ...
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7 views

Tire Gem with Ransack for elasticsearch

I've been using Ransack with my MySQL data to produce an advanced form, I've switched over to elasticsearch recently and now I'm finding that even a simple form doesn't work (using the activerecord ...
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1answer
15 views

Sinatra Locals vs. Instance Variables

What exactly are Sinatra’s locals, and is there any difference between using them in templates as opposed to instance variables. Here’s what I mean by locals: erb :template, :locals => {:variable ...
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Cannot build Jekyll blog using Sublime Text 2 Ant build

I reformatted and reinstalled Mountain Lion recently, and the new versions of Jekyll and/or Ruby and/or Ant broke my workflow. I use Sublime Text 2 to call an Ant build script which (among other ...
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1answer
33 views

Ruby:Selecting a checkbox whose name startswith [closed]

I am trying to select a checkbox whose name starts with a particular string find("//input[(@name).start_with?('00#{Num}_')]") where Num is some random number But i am getting the below error.Can ...
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1answer
36 views

What should I include in Git project?

My webapp is written in Ruby on Rails. I'm new to git and want to know what kind of files should I include in the project. Please mention what files should I push into git projects.

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