RubyFlow The Ruby and Rails community linklog

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The Ruby and Rails community linklog

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Building Relationships in a Database and Querying with ActiveRecord

How exactly do we model relationships between different database tables, and how do we use those relationships in ActiveRecord? With Database Relationships and ActiveRecord [video] you’ll learn how to map a has_many and belongs_to relationship and more in databases, and cover how to query and join the data in ActiveRecord. This is the second week of my Database and Rails class at the University of Texas.

Cloud-based API for applying effects on images

This blog post describes how to easily apply effects and filters on images using Cloudinary’s cloud-based API: hue, saturation, brightness, oil paint, sepia and more. The post also explains how to apply multiple chained image transformations simply by modifying an image URL. Ruby sample code included.

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