RubyFlow The Ruby and Rails community linklog


The Ruby and Rails community linklog

Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!

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Why Ruby on Rails Is Still a Good Choice in 2019

Ruby on Rails is almost 15 years old but it’s nowhere close to passing on from the world of programming. While no longer among the most popular, Ruby on Rails is still widely used in 2019, offering maturity, stability, and high code quality. Let’s see what else makes this framework a good choice for your project in 2019–

Elixir Programming: Facts to Know for Better App Development

There many well-known web development languages as Python, PHP, and Ruby that have been successfully used by developers for a long time. There has recently been brought a new technology that is being thoroughly discussed which is called the Elixir programming language. [more inside]

Deploying Machine Learning Models for Ruby applications using PyCall

Previously, we have trained a really simple model that was predicting income level between “<= 50K” and “> 50K”. It was a very simple classification problem for which we could use Sklearn-porter to generate Ruby code based on the trained model. This time I decided to pick a more complicated dataset for regression problem. To complicate the project a little bit more and make it look more like “real-life”, we implement Sklearn’s pipeline that will transform the data into the shape expected by an estimator. Let’s implement PalmSpringsBnB that is able to suggest a list of prices based on information about the property.

Released merkle_tree gem

A merkle_tree is a Ruby implementation of binary tree of one-time signatures known as Merkle tree. You can verify if a message belongs to the tree, update any leaf to create a signature for a new message or expand the tree with new nodes. Enjoy!

Fantastic to see another merkle tree library. See merkletree…

About Ruby Certification

I’ve recently took ruby certification tests and considering that there are very little info about them decided to wrote a blog-post. Read on if you wondering if they’re actually any good.

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