Ruby On Rails

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Multiple databases for Rails

Multiple databases for Rails One of the easiest ways to scale your database is to move large, infrequently-joined tables to a separate database. ActiveRecord supports multiple databases, but Rails doesn’t provide a way to manage them. Multiverse changes this.Works with Rails 5 .

Ruby/Rails vs. Elixir/Phoenix

Ruby/Rails vs. Elixir/Phoenix This is not a, "Which is better?", post. It is more a way to help other developers, like myself, who have a background in Rails development and are interested in Elixir and Phoenix.

Ruby Versions Used in Commercial Projects in 2017

Ruby Versions Used in Commercial Projects in 2017 The Ruby community is famous for fast development of greenfield projects and quick acceptance of new concepts. However, it's worth noting that a lot of mature projects such as GitHub, Shopify and Basecamp also operate with Ruby at their core. Ever...

Build your own blockchain from scratch in 20 lines of ruby

Build your own blockchain from scratch in 20 lines of ruby awesome-blockchains - A collection about awesome blockchains - open distributed public databases w/ crypto hashes incl. git .

Transactions in Ruby on Rails and Atomic Bugs

Transactions in Ruby on Rails and Atomic Bugs A few examples of when using a transaction in Ruby on Rails doesn't work as expected.Transactions in Ruby on Rails can be deceptively tricky to master. The following illustrates a few examples of when using simple transactions can go awry and inad...

Implementing OCR using a Random Forest Classifier in Ruby - Practical Artificial Intelligence

Implementing OCR using a Random Forest Classifier in Ruby - Practical Artificial Intelligence In this blog post I will show how to implement OCR (optical character recognition) using a Random Forest classifier in Ruby. As our dataset we will be using the MNIST database of handwritten digits and for our Random Forest implementation we will ...

DevFreeBooks

DevFreeBooks A collection of free books for developers.

10 new features in Ruby 2.5

10 new features in Ruby 2.5 Ruby 2.5.0-preview1 was released on October 10 2017. It introduces lots of new features and performance improvements. I have handpicked 10 new features to go over. I hope this article will help you understand some of the coming changes available i...

WTF is a Thread

WTF is a Thread What exactly is a thread? Many developers have been exposed to threads and processes over their careers without actually knowing how they work.

Exploring Functional Programming with Ruby

Exploring Functional Programming with Ruby Functional Programming is hot right now. To quote Tim Riley, “FP is hot AF.” But, as a Ruby developer, Object-Oriented Programming (OOP) is a way of life. I tend to reach for classes that represent object properties and messages to solve problems....

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