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New to Postgres 18, features like asynchronous i/o, uuid v7, b-tree skip scans, and virtual generated columns.

From the very beginning of Slack, MySQL was used as the storage engine for all our data. Slack operated MySQL servers in an active-active configuration. This is the story of how we changed our data storage architecture from the active-active clusters over to Vitess — a horizontal scaling system for MySQL. Vitess is the present…

A better Action Text.

Rails variants are usually used to serve different views for devices — but you can use them for much more, like running a redesign side by side.

Rubular set the standard for regex testing in Ruby. With Ruby 3.2 bringing WebAssembly support, Wubular takes that idea into the browser — no servers, instant feedback, full privacy. It’s not just a remake, but a glimpse of what Ruby + WASM make possible for future apps.

Anchor positioning allows you to place an element on the page based on where another element is.

Accessibility does not limit creativity! Explore six distinct WCAG-compliant yellow and purple palettes and learn how to design your own.

We'll dive into how ActiveStorage handles uploaded data and how to extend this process in the second part of this two-part series.

Documents how to implement the RAG pattern with llm.rb

Startups and scaleups are on a hiring spree for a software engineering role pioneered by Palantir. A deepdive into this role, and why FDEs are so popular in 2025

Create a macOS-inspired stack UI by using powerful Tailwind CSS features and a simple Stimulus controller (with a twist)

While working with a legacy BBj PRO/5 database for a client, we needed to set up a new CMS with multitenancy requirements. We were dealing with a slew of foreign tables representing the PRO/5 data, and each of the tables had a column for designating which tenant they belonged to. Let's talk about how we leveraged ActiveSupport::CurrentAttributes to solve this problem!

A staging environment is a safe replica of production where you can test features before going live. In this post, we'll create a staging environment for the blog and deploy to it with Kamal. It also covers the basics of Rails environments and shows how to configure Kamal for staging deployments.

The whole point of auto-fit and auto-fill is that you aren't saying how many columns to use. But if you knew how many the browser chose, you can make nice design decisions.

Best bet: just always use them. More nuanced take: there is a few situations where using the physical property is still releavant.

This article explores techniques for achieving near zero-downtime during PostgreSQL migrations and upgrades

As an respectable unemployed person must do, I tried to make Postgres as slow as possible

subgrid in CSS is really handy for getting a nice level of design detail in place, especially in terms of maintaining a nice reading line, as Andy shows in this article.

In this continuation of our PWA series, explore how to reduce the service worker boilerplate in your Rails app.

How Ruby's async ecosystem transforms resource-intensive LLM applications into efficient, scalable systems - without rewriting your codebase.

Using ViewComponents that know how to refresh themselves via turbo_streams is a powerful pattern to build complex flows with Hotwire

… and check why 5600+ Rails engineers read also this

This past week, I was having a conversation with a reader and he brought up the example of Rails’ delegated_type. While I’ve never been a fan of the name, because...

The Rails defaults are a good foundation, but it’s still your responsibility to filter sensitive information from logs when using external APIs, services, and tools.

Here's a spicy take: SQLite might be the best database choice for your next SaaS project. Yes,...