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Rails: the result of magical incantations, voodoo, and wizardry? Or: a collection of patterns from the most awesomest language in the world (Ruby)? We'll show three different areas of Rails that seem to be the most magical: before_filters and callbacks, Procs, and inheritance. In the workshop, participants will create their own Ruby object implementing these magical powers. Help us caption & translate this video! http://amara.org/v/FGa4/
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In the video titled *Rails is Just Ruby*, hosted by Jesse Wolgamott at Rails Conf 2013, the primary focus is on demystifying the Rails framework by illustrating how it is fundamentally grounded in the Ruby programming language. Wolgamott emphasizes that what may initially appear as magical occurrences within Rails can be attributed to the effective patterns, APIs, and conventions inherited from Ruby, designed for developer happiness. Key Points Discussed: - **Understanding Rails' Magic**: The session begins with Wolgamott's astonishment upon discovering Rails after working with other frameworks, highlighting the inherent design for maximizing developer happiness. - **Development Workflow**: Participants begin with preparations for a workshop that involves creating a simple beeper application that sends notifications through Twilio API, reinforcing practical engagement with Ruby’s capabilities. - **Ruby's 'Magic' Features**: - **Blocks**: Wolgamott discusses the concept of blocks in Ruby, describing them as versatile constructs that allow code to be passed into methods for flexible execution. He illustrates their utility in various scenarios such as looping through data and modifying user creation processes. - **Before Filters**: The importance of before filters in controllers is explored. Wolgamott illustrates how they can streamline code by controlling access and executing specific logic before user actions. - **Callbacks in Active Record**: The functionality of callbacks within Active Record is conveyed, where code can be executed at various points in a model's lifecycle, providing automation for critical actions such as validations and state changes. - **Examples and Illustrations**: Wolgamott uses humorous analogies like Gandalf and Darth Vader to explain the difference between perceived magic and understanding core principles in programming. He gives practical programming scenarios to demonstrate how Rails’ features provide significant business value. - **Conclusion and Takeaways**: The overarching theme concludes with the emphasis that Rails isn't magic; rather, it's the rich feature set of Ruby that empowers developers. Participants are encouraged to embrace the tools at their disposal to enhance their coding practice. Overall, Wolgamott aims to make Rails appear less daunting, advocating for a deeper understanding of its foundation in Ruby to harness its full potential effectively.
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