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Mocks are a handy tool for ...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Check out my development environment for Ruby on Rails
Learn how I discovered and solved a performance bug in OneMonth.com's view partial
Learn how to use Vagrant to set up a headless virtual machine for Ruby on Rails development
Refactor and simplify your associations and views using Null Objects that let you remove conditionals and have more robust code
Learn how to add PDF receipts to your application so users can easily download receipts of their purchases
Learn how to refactor your Rails model callbacks into plain old ruby objects that help organize your code
How to plan and build a newsletter sign up form
Learn how to handle subdomains in your Rails application for multi-tenant applications
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