Ruby On Rails

Tutorials

Controlling superclass argument pass-through in Ruby

Controlling superclass argument pass-through in Ruby In Ruby class-based programming, superclass versions of subclass methods are always invoked explicitly using the super keyword. There are some nuances to using super though, particularly when it comes to passing (or not passing) arguments and bloc...

State-of-the-art natural language processing for Ruby

State-of-the-art natural language processing for Ruby slightly_smiling_face State-of-the-art natural language processing for RubySupports:Sentiment analysisQuestion answeringNamed-entity recognitionText generation - in developmentSummarization - in developmentTranslation - in development.

Internationalize a medium Rails App with Vue frontend effectively with tooling

Internationalize a medium Rails App with Vue frontend effectively with tooling TLDR: I released a Ruby CLI tool that can semi-automatically extract raw Strings from Ruby-files, SLIM, ERB-Views and Vue-Pug templates. Read on about the background.Recently, we started to internationalize our ATS (Applicant tracking system) recr...

An Unofficial Active Admin Guide

An Unofficial Active Admin Guide Recently I bumped into Rails Survey 2020 results and saw the top 10 gems frustrate one the most. On the 5th place, there was the Active Admin gem. I would not say this was an unexpected result. I often come across the opinion that Active Admin is ...

Ruby Singleton Objects

Ruby Singleton Objects Here’s another freebie from the deep RubyTapas stacks. This one is about a truth of object modeling that we don’t often talk about: not every object needs to have state. If an object has no state, there’s no need to have more than one of it. And f...

Ruby 2.8 adds endless method definition

Ruby 2.8 adds endless method definition This blog is part of our Ruby 2.8 series.Ruby 2.8 adds endless method definition. It enables us to create method definitions without the need of end keyword. It is marked as an experimental feature.

Rails 6.1 deprecates rails db:structure:dump and rails db:structure:load

Rails 6.1 deprecates rails db:structure:dump and rails db:structure:load Rails 6.1 deprecates rails db:structure:load and rails db:structure:dump tasks.Before Rails 6.1, executing rake db:schema:dump would dump db/schema.rb file. And executing rake db:structure:dump would dump db/structure.sql file.Rails provides confi...

Separate routes for subdomains on Sinatra

Separate routes for subdomains on Sinatra Separate routes for subdomains on Sinatra. Contribute to fnando/sinatra-subdomain development by creating an account on GitHub.

Building a Ractor based logger that will work with non-Ractor compatible code

Building a Ractor based logger that will work with non-Ractor compatible code But we want to share a logger, right? Well, not exactly. What we want is to be able to use the same API to log pieces of information. And that’s the key point here.We can bypass all of our problems quickly. We just need a separate Ractor that will...

Solve race condition using database trigger function

Solve race condition using database trigger function As example, we have a Budget model, which have allocation_cents as the amount allocated for the budget, which can be used to buy the items proposed in the budget.A budget can have many_items, and we need make sure that the sum of the items' price ...

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