Join Kevin Skoglund for an in-depth discussion in this video Adding libraries, gems, and plug-ins, part of Ruby on Rails 3 Essential Training.
A couple of chapters ago, we added positionmover.rb to our Lib directory.…I told you then that the Lib directory is a great place to put small feature…enhancements and codes you might want to reuse in other applications.…Well, that works well for simple code with the single developer, but it…really isn't enough for complex functionality or for sharing code with other developers.…There are a lot of benefits for everyone when we can effectively share code…among the open source community.…So, to help us share code, we have plugins and RubyGems.…A plugin is that same code that you might have put into your Lib directory or…with a tiny bit of extra code added so that it can live in the plugins…directory and be loaded by Rails at the right time.…
Plugins are going to be stored in your application inside the…vendor/plugins directory.…Most plugins help you organize your shared code into packages of features.…storing them apart from your personal code that lives in Lib, makes it clear…that it comes from third-party sources, meaning vendors and other developers.…
- Understanding MVC (Model View Controller ) architecture
- Routing browser requests through the framework
- Responding to requests with dynamic content
- Defining associations and database relationships
- Creating, reading, updating and deleting records
- Working with forms
- Validating form data
- Reviewing built-in security features
- Authenticating users and managing user access
- Debugging and error handling
Skill Level Beginner
1. What Is Ruby on Rails?
2. Installing Ruby on Rails on a Mac
3. Installing Ruby on Rails on a Windows Machine
4. Getting Started
5. Controllers, Views, and Dynamic Content
6. Databases and Migrations
7. Models, ActiveRecord, and ActiveRelation
9. Controllers and CRUD
10. Layouts, Partials, and View Helpers
12. Data Validation
13. User Authentication
14. Improving the Simple CMS
15. Debugging and Error Handling
16. Introducing More Advanced Topics
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