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Inspired by a desire to understand why more engineers weren't using Ruby for their machine learning (ML) projects, I embarked on a journey to determine if I ...

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

1. Introduction In my company, we lucked out that Rails 5.2 (and Active Storage) was released just before we needed to implement user uploads. This means that we’ve been using it in production for over 5 years, across 3 different hosts (Heroku, AWS, and GCP) and 3 different storage providers (S3, GCS, and R2). Our primary use case is image galleries, either of products we sell, or user-uploaded images for their wedding/birthday/baby shower websites. This means that we rely heavily on image tran...

Marco Roth - marcoroth.dev

Supavisor is a scalable, cloud-native Postgres connection pooler. We connected a million clients to it to see how it performs.

In a project I'm working on right now I've been using a Rails nested form and a couple of things caught me off guard.

Build a drag-and-drop ActiveStorage S3 Direct Uploader using Rails and Direct Uploads. Follow instructions for model, S3, and view setup

Let's dive into some advanced usages of Devise, including the use of OmniAuth, API authentication, and Authtrail.

Discover beginner Ruby & Rails projects: Meal Planner, Lists Share, Habit & Symptom Trackers, SWOT Analysis; learn by problem-solving

Simply trying to tackle the issue as it happens is not a sustainable solution, says new research.

Rails writes a new cache entry based on the first request. But what happens when that request is from an admin?

Introduction Ruby is a beautiful expressive programming language. Like many other...

What makes great interactions feel right?

Learn how relative CSS colors enable color manipulations.

A quick step-by-step guide on implementing deep linking in React Native application, enabling users to seamlessly access specific screens or content within the app.

Learn how rate limiting works from real life examples, what are limitation of traditional rate limiting and why adaptive rate limiting is needed.

An overview of what the options provided by the pull request merge button on GitHub do and how to make the best out of each strategy.

N+1 queries are not always a problem, but I have seen that most of the n+1 queries that are really a problem are when we need to fetch data to compute something. Here I will try to share some examples of posible expensive computations candidates to...

All engineers are good writers... of code. But I believe that in order to a become better engineer–you should improve your writing skills.

Release blog post for the 12.0 release of the Citus extension to Postgres. Dive into new Citus 12 features such as schema-based sharding for multi-tenant SaaS applications (and microservices) as well improvements in the Citus support for the Postgres 15 MERGE feature.

In simple words, Ruby Struct is a built-in class that provides useful functionalities and shortcuts. You can use it for both logic and tests.

Learn how to improve the interface of your existing Active Record Models with this underutilized API.

Rails 7.1 adds before_deliver and after_deliver callbacks to ActionMailer to hook into the lifecycle events of the mail delivery.

The danger of an extra equals

This post describes different ways of testing inherited behavior, including duplicating the tests, not testing the inherited behavior, and using a shared example.