Ruby On Rails

Tutorials

Contributing to Ruby MRI

Contributing to Ruby MRI I’ve recently worked on (so far) my biggest patch to Ruby MRI. While the changeset is only 50 lines of code it took me a few days and couple takes to figure out the right way to make getaddrinfo interrupt and fail fast when DNS is unhealthy.It’s o...

Writing a polyglot script

Writing a polyglot script So here's the thing - I'm relatively good at Python. I somewhat know Ruby. Not good enough to write something complex, but enough to understand that it's "a bit" different from Python. Yet both of the languages have similar syntaxes, which made me...

Deep dive into Did You Mean

Deep dive into Did You Mean Since version 2.3.0, Ruby comes bundled with did_you_mean, a handy gem for detecting typos.

Effectively Using Materialized Views in Ruby on Rails

Effectively Using Materialized Views in Ruby on Rails It's every developer's nightmare: SQL queries that get large and unwieldy. This can happen fairly quickly with the addition of multiple joins, a subquery and some complicated filtering logic. I have personally seen queries grow to nearly one hundr...

Making Your Rails Console Interesting.

Making Your Rails Console Interesting. As a Rails developer, every time we work on a Rails project we heavily use rails console for development. I love the rails console as much as any Rails developer. It is the best place to experiment or validate your logic but...!There are some of m...

Organized Rails application with interactors and utilities

Organized Rails application with interactors and utilities If you have ever used Rails, you know that there is no better thing for quick prototyping. It doesn’t matter how easy is your favorite framework for that. Rails will be dozens of times easier, especially giving the fact it is now a mature solution...

CI for Ruby on Rails: GitHub Actions

CI for Ruby on Rails: GitHub Actions This is part of a three part series where I will walk you through setting up your CI suite with GitHub Actions, CircleCI, and then comparing which you may want to use if you are setting up continuous integration for your Rails app.

How to scale Ruby on Rails with Redis

How to scale Ruby on Rails with Redis Ruby on Rails is a useful framework for quickly building line-of-business applications. But as our applications grow, we face scaling challenges. There are a variety of tools we can use—but adding different technologies to our applications increas...

Managing Rails schema and data migrations without losing your mind

Managing Rails schema and data migrations without losing your mind As time goes by, you’ll need to change the data model for your software. Rails makes this extremely easy to do, but leaves much of the day-to-day process to you to sort out (the principle of Sharp Knifes).Once you’re past the initial scaffolding s...

Duplicating models with complex nested associations

Duplicating models with complex nested associations I was recently working on an app that required duplicating an Active Record model and its associations. But the complex structure of these.This is the model I needed to duplicate (a simplified version of it). I started off by installing the popul...

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