Articles by Tag #rails
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Mastering Cursor Rules: A Developer's Guide to Smart AI Integration
What are Cursor Rules? Cursor Rules are configuration files that define how AI should...
Memorização em Ruby
Gostar de desenvolver algoritmos que desempenham bem é uma característica presente na maioria dos...
Scaling PostgreSQL Performance with Table Partitioning
Table of contents: The background The investigation The execution The result What we would do...
Migrating from Rails to Go and keeping strong conventions
Ruby on Rails has long been a go-to framework for building web applications quickly and elegantly....
As Rails developers, why we are excited about PostgreSQL 17
At the time of writing this article, PostgreSQL 17 is nearly out. On September 5th, the first release...
Multithreading e corrotinas com Ruby
O mecanismo de multithreading é o que permite ao desenvolvedor executar várias rotinas...
Internacionalização com GetText no Rails
Quando pensamos em internacionalização (i18n) em projetos Rails, a abordagem mais comum é utilizar a...
Introducing RubyLLM 1.0: A Beautiful Way to Work with AI
I released RubyLLM 1.0 today. It's a library that makes working with AI in Ruby feel natural,...
Binary Decision Tree in Ruby ? Say hello to Composite Pattern 🌳
Decision trees are very common algorithms in the world of development. On paper, they are quite...
Persistent Redis Connections in Sidekiq with Async::Redis: A Deep Dive.
TL;DR: In this post I explain how you can have persistent connections to Redis using Async::Redis...
A quick guide on database migrations in Ruby on Rails
Ruby on Rails (RoR), often simply referred to as Rails, is a popular web application framework...
Rails 8 CI/CD: GitHub Actions & Kamal 2025
In my previous article, we explored deploying Rails 8 applications using Docker and Kamal. ...
Solving URL Length Issues in Rails Filters and Pagination
I’m writing this post because every solution I found involved JavaScript— but I refused to go down...
![[Rails] How We Reduced API Response Rendering Time by 30%](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjmugebiqjmc2go7q834i.png)
[Rails] How We Reduced API Response Rendering Time by 30%
I work on the backend team supporting an SNS with 170K users, built using Ruby on Rails. We use...
How (and How NOT) to Name Rails Models Beyond the Obvious
Have you ever encountered a model in a Rails app that initially seemed to have an understandable...
Add custom fields to your Rails models with ActiveFields gem
Have you ever wanted to add custom fields to your ActiveRecord models, like in Redmine or Jira,...
The easiest guide to generate PDF📜 using Prawn in your Rails project
By the end of this guide, you will be able to generate a PDF on demand using the Prawn gem in your...
Email Verification with Sent Codes in Ruby on Rails without Devise
Hello, we know that email verification is present in many applications in our daily lives. It is...
![Tropical.rb - The Challenges of Organizing a Ruby/Rails Conference [EN]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F1hban61m907860mpyg4m.jpg)
Tropical.rb - The Challenges of Organizing a Ruby/Rails Conference [EN]
Versão em Português Introduction My goal with this post is to help other event organizers...
Streamlining Rails Controllers with Simple PORO Validators
Disclaimer: This article proposes a straightforward approach to request validation in Rails...
Essential Security Best Practices for Ruby on Rails
By Harsh Patel, Cyber security Enthusiast & Senior Ruby on Rails Dev Ruby on Rails has...
Avoiding N+1 Queries in Rails: Easy Performance Wins for Beginners
Performance issues in Rails apps can sneak up on you, especially if you're working with ActiveRecord...
Hulk accept postmark challenge!! Hulk write email!
Postmark Challenge: Inbox Innovators. What Hulk built People not respond when Hulk write...
Ruby on Rails: Your Service Layer is a Lie
If you're a Rails developer, you've probably seen (or written) code that looks like this: class...
Efficient Chunked File Downloads in Rails: Streaming CSV Exports
In Rails applications, exporting large datasets into CSV files can be challenging, especially when...
When Controllers Take on Too Much Responsibility
In software development, following object-oriented programming (OOP) principles is key to building...
Beyond Autocomplete: How Cursor AI is Helping Standardize and Write Ruby on Rails Code
PT-BR Context Until recently, aside from code autocomplete capabilities, I had yet to see...
Why Regular Ruby Updates Are a Must for Your App
Like any technology, Ruby evolves over time, and keeping your app up-to-date with the latest version...
Secure your Stripe Webhooks and protect yourself from Captain Hook
If you handle your app payments with Stripe, there's a strong chance that at some point you end up...
Deploying Rails 8 Applications: A Complete Guide with Docker, Kamal, and Cloudflare
Introduction When I first started deploying Rails applications, the process felt...