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Test Driven Development, or...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Learn how to add PDF receipts to your application so users can easily download receipts of their purchases
Refactor and simplify your associations and views using Null Objects that let you remove conditionals and have more robust code
Learn how to use Vagrant to set up a headless virtual machine for Ruby on Rails development
Learn how I discovered and solved a performance bug in OneMonth.com's view partial
Check out my development environment for Ruby on Rails
Separate responsibilities of Javacsript from your HTML tags by using the data-behavior attribute
Learn how to add authentication to an RSS feed with Rails and Devise
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