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New posts in ruby

Can a class in ruby store the number of instantiated objects using a @class_instance_variable and not a @@class_variable?

ruby counter instances class-variables class-instance-variables

Is there an idiomatic way to operate on 2 arrays in Ruby?

ruby iterator ruby-1.9.3 enumerable

Nested model validation - errors don't show

ruby-on-rails ruby model-view-controller validation nested-forms

Ruby equivalent of Python str[3:]

python ruby substring

How do I crawl an infinite-scrolling page?

javascript ruby web-crawler

How to read csv from ARGF

ruby csv

How to write down these three cases in a more elegant way?

ruby coding-style conditional-statements

Create a powerpoint presentation with Rails

javascript ruby-on-rails ruby web powerpoint

capybara poltergeist - override user agent

ruby-on-rails ruby ruby-on-rails-3 rubygems gem

Bing Search API in Ruby

ruby ruby-on-rails-3 bing-api azure-marketplace

Ruby .each efficiency

ruby-on-rails ruby performance activerecord

How would you express an idiom "with this object, if it exists, do this" in Ruby?

ruby

Composite primary keys in ruby on rails

ruby-on-rails ruby activerecord composite-primary-key

Is it common to set objects to nil?

ruby

Extend module inside another module

ruby

How to create an RSpec Rake task using RSpec::Core::RakeTask?

ruby rspec rake

How to test order-conscious equality of hashes

ruby hash equality ordereddictionary

attr_accessor which transforms nil into string on write

ruby

Ruby markdown interpreter with syntax similar to GitHub Flavored Markdown?

ruby markdown jekyll pygments github-flavored-markdown

How can I get all defined classes? [duplicate]

ruby
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