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A couple of years ago I wrote about how to setup a local development environment using Vagrant. While Vagrant has worked out great, containerization with Docker has become all the rage. So I decided to take it for a spin to see what all the fuss is all about. I’m going to use an existing Rails app as my test subject.
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Building form objects in modern Rails applications is nothing new. Most Ruby developers are familiar with including Virtus and ActiveModel::Validations to their form objects.
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In programmers life algorithms and data structures is most important subject if they want to go out in the programming world and make some bucks.
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Autoloading is not thread-safe and hence we need to make sure that all constants are loaded when application boots. The concept of loading all the constants even before they are actually needed is called “Eager loading”. In a way it is opposite of “Autoloading”.
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