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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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Gems

• Bundler - Bundler maintains a consistent environment for ruby applications. It tracks an application's code and the rubygems it needs to run, so that an application will always have the exact gems (and versions) that it needs to run.
• rabl - General ruby templating with json, bson, xml, plist and msgpack support
• Thin - Very fast and lightweight Ruby web server
• Unicorn - Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels.
• SimpleCov - SimpleCov is a code coverage analysis tool for Ruby 1.9.
• Zeus - Zeus preloads your Rails app so that your normal development tasks such as console, server, generate, and specs/tests take less than one second.
• [factory_girl](h

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http://stackoverflow.com/questions/15307871/jquery-multiple-dynamic-progress-bars

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• It is very easy to sort a hash base on the order of an existed array, we can do this by this code:

hash.sort_by{|k, v| arr.index(k)}

• And if you want to sort an array of array based on the order of another array:

arr2.sort_by { |e| arr1.index(e[0]) }
#the other way
arr2.sort_by { |element| arr1.index(element.first) }
#the more other way

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def titleize(string)
	lowercase_word = %w{a an the and but or for nor of}
	"#{string}".split.each_with_index.map{|x, index| lowercase_word.include?(x) && index > 0 ? x : x.capitalize}.join(" ")
end

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This command may solve this problem: git remote set-url upstream git@github.com:{upstream owner}/{upstream project}.git

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- How do you amend a commit message that you just messed up?
git commit --amend -m "New commit message"
git rebase --continue -m "New commit message"
If you've already pushed your commit up to your remote branch, then you'll need to force push the commit with

git push <remote> <branch> --force
# Or
git push <remote> <branch> -f
- How do you view the history of your most recent commits?
https://git-scm.com/book/en/v2/Git-Basics-Viewing-the-Commit-History

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Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true
=> The problem may be that you have not defined default_host for test environment. Define default_host inside:
config/environments/test.rb like this:

config.action_mailer.default_url_options = {:host => "localhost:3000"}

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This is learning link about ruby on rails

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http://mlsdev.com/blog/42