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Rails is a platform to serve your Ruby applications, and yet is a very well crafted open-source product written in the language that composes your apps. So, if you're curious to know how things work underneath your app, you can read everything! This talk will be a good guide to step into the Rails internal. We'll cover these topics: How Rails loads itself, libraries, and application when booting How Rails deals with HTTP requests and databases How to debug, patch, and extend Rails Rails committer, Ruby committer, Haml committer, creator of widely used Rails plugins such as Kaminari, activedecorator, actionargs, html5validators, erd, databaserewinder, etc. Founder of "Asakusa.rb", the most active Ruby community in Japan. Help us caption & translate this video! http://amara.org/v/FG1P/
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The video titled "Ruby on Rails Hacking Guide" presented by Akira Matsuda at RailsConf 2014 explores the internal workings of the Ruby on Rails framework. The talk emphasizes the importance of understanding Rails for effective programming by encouraging developers to read and comprehend the frameworkâs code. Matsuda identifies three key reasons for this: - **Skill Development**: To become proficient Rails programmers, developers need to read extensively, understanding all parts of their applications and not leaving any code as a 'black box' of mystery. - **Debugging and Maintenance**: Because Rails has various bugs, being familiar with its codebase is essential for resolving issues and maintaining applications effectively. - **Open Source Accessibility**: Rails is entirely written in Ruby, making it accessible for anyone to read and contribute to its code. The talk outlines how Rails initializes and loads apps, handling HTTP requests and the interaction with databases, with a focus on understanding key components like: - **Rails Ties**: Matsuda explains that Railties serves as a crucial library underpinning the Rails framework, connecting various components like ActionPack and ActiveRecord. - **Booting Rails**: Details on how the Rails server boots, starting with the `rails server` command, demonstrate the flow from requiring essential files to initializing the application context. - **Request Handling**: A breakdown of how Rails processes incoming HTTP requests, specifically how the routing mechanism interacts with controllers to match requests with actions in the application. Matsuda also shares practical tips for following the code execution flow, such as using `puts` statements for debugging. The video concludes with an announcement of Matsuda's plans to write a book on this subject, aiming to translate complex Rails internals into a more accessible format for developers. Overall, the video serves as a comprehensive guide to understanding Ruby on Rails at a deeper level, emphasizing the importance of code literacy for software developers.
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