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3 Action Mailer Features I Didn't Know Existed

A few weeks ago I needed to check something in the Action Mailer docs, just a quick lookup. I ended up spending much more time there than expected and…

railsrubyactionmailerwebdev
Dev.to Jul 29, 2026, 12:47 UTC
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Ruby Reactor vs dry-transaction vs Trailblazer: Choosing a Ruby Workflow Library in 2026

Four ways to orchestrate business logic in Ruby. One map to find yours. You're building something that involves multiple steps. Charge a card, send an…

rubyrailsarchitecturesidekiq
Dev.to Jul 26, 2026, 00:00 UTC
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Deploying Rails 8 on Render Free Tier: Bypassing the 512MB RAM and Read-Only Storage Limits

1. Introduction Hello from Japan! 🇯🇵 I am an active truck driver in Japan self-studying Python, leveraging my logistics domain knowledge to become a W…

renderdeploymentsqlite3rails
Dev.to Jul 24, 2026, 20:55 UTC
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Rails already ships class_names. I built clsx anyway.

When I published a little gem for conditional CSS classes two years ago, the first comment was Adrien Poly asking the obvious thing: "What is the main…

railsrubytailwindcsswebdev
Dev.to Jul 21, 2026, 14:00 UTC
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The four places a hand-rolled Ruby facade gives out

You don't need a gem to build a facade. This is a perfectly good one: class App def self . config = Rails . configuration def self . redis = REDIS_POO…

rubyrailsopensourceprogramming
Dev.to Jul 16, 2026, 13:00 UTC
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Kiro for Ruby: Generating Rails Controllers and Models

You want to add a new resource to your Rails app. You know the drill — rails generate , tweak the migration, add validations, write the controller act…

automationproductivityrailsruby
Dev.to Jul 6, 2026, 10:32 UTC
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Pagination: Always a "sort" (of) mistake [bugfix]

Pagination is a key component on web-applications that let users navigate through pages making easy to read/find records. Also, pagination is a great …

mysqlrailssoftware
Dev.to Jun 22, 2026, 03:13 UTC
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Diagnosing a slow Rails page, layer by layer

"This page feels slow" is a vague bug report. Before changing any code, it helps to have a fixed way to locate where the time goes. A Rails request pa…

railsperformancepostgresdatabase
Dev.to Jun 21, 2026, 11:09 UTC
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The webhook inbox pattern: stop writing this controller by hand

Every Rails app that takes Stripe webhooks has some version of this controller: def create payload = request . body . read sig_header = request . env …

rubyrailswebdevopensource
Dev.to Jun 16, 2026, 18:33 UTC
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The Silent Performance Killer in Rails: Understanding and Fixing N+1 Queries

If you've ever investigated a slow Rails endpoint, chances are you've encountered one of the most common performance problems in the Rails ecosystem: …

rubyrailsperformancedatabase
Dev.to Jun 16, 2026, 08:44 UTC
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Dynamic OG Images in Rails

Every blog post, product page, and profile in a Rails app deserves its own Open Graph image, the picture that shows up when someone shares the link on…

railsrubywebdevtutorial
Dev.to Jun 10, 2026, 11:26 UTC
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Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load

Originally published on Hashnode: https://railswithyashika.hashnode.dev/rails-performance-n-plus-one-queries When working with associations in Rails, …

rubyrailsperformancedatabase
Dev.to Jun 10, 2026, 10:22 UTC
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🇺🇸 3 Essential Gems to Eliminate Friction in Your Rails Workflow

Anyone who works with Ruby on Rails knows that, despite the framework being incredible for productivity, there are some classic workflow deficiencies …

productivityrailsrubytooling
Dev.to Jun 4, 2026, 21:48 UTC
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Ruby on Rails End of Life: Rails 6.1 EOL, Rails 7.0 EOL — What's Still Supported in 2026

The Rails maintenance policy is lean by design: only the most recent minor version of the most recent two major versions receives security patches . E…

rubyrailssecuritywebdev
Dev.to May 30, 2026, 05:24 UTC
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SOLID Principles in Ruby on Rails

SOLID Principles in Ruby on Rails SOLID is not a Rails or Ruby concept. It's a set of five object-oriented design principles that apply to any languag…

railsrubysolidprinciplessoftwaredevelopment
Dev.to May 29, 2026, 21:02 UTC
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Testing Turbo Frames in Rails Without a Browser

Turbo Frames are a great way to build interactive pages without writing custom JavaScript. But how do you test them properly? You can reach for system…

railsturbohotwiretesting
Dev.to May 27, 2026, 13:37 UTC
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The Icon Component I Keep Carrying

Nearly every project I've worked on has, at some point, had to answer the question of inlining SVGs into HTML. I've been refining my approach to this …

railsrubyviewcomponent
Dev.to May 14, 2026, 21:23 UTC
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Build a Secure API with Rails 8 - Part-2: Authentication Foundations

Hey folks 👋 Welcome back. In Part 1 we walked through the 11 attack vectors that shape every decision in this series. If you skipped it, please go rea…

railsrubyapiowasp
Dev.to May 13, 2026, 16:44 UTC
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Row-Level Multitenancy in Rails: Building a Bulletproof Tenant Isolation Layer from Scratch

If you've reached for acts_as_tenant or apartment without really understanding what's happening underneath, this tutorial is the correction. We're bui…

rubyrailsarchitecturepostgres
Dev.to May 11, 2026, 10:26 UTC
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Connecting a Biometric Fingerprint Device to a Rails Web App Using Python — A Complete Walkthrough

👋 Introduction When I was building a gym management system for a real gym in New Delhi, one of the most interesting challenges was connecting a physic…

pythonrubyrailswebdev
Dev.to May 7, 2026, 09:40 UTC

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