Tag: Ruby on Rails

Kamal in the Real World: Lessons from Running Rails Apps on AWS

February 4, 2026 At Kaigi on Rails 2025, one talk stood out for being refreshingly honest about infrastructure. Not a tutorial. Not a product pitch. But a real report from production. In Hall Blue, yappu presented: “Kamalって便利？社内プロジェクト3つをKamal + AWSで運用した体験談” (Is Kamal useful? Operating three internal projects with Kamal + AWS) What followed was exactly the … Continue reading Kamal in the Real World: Lessons from Running Rails Apps on AWS →

Making Maps with Ruby

Making Maps with Ruby January 29, 2026 Static and animated cartography built directly from GeoJSON For a long time, generating maps from code meant working inside heavy ecosystems designed primarily for analysis. Those tools are powerful, but they are not always the right fit. In many practical scenarios, the problem is simpler and more concrete: … Continue reading Making Maps with Ruby →

Ruby Can Draw Cities Now

January 9, 2026 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → Read Docs How I built a pure-Ruby GIS … Continue reading Ruby Can Draw Cities Now →

🚀 Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby

Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby November 27, 2025 As Ruby developers, we know that writing Ruby isn’t just about shipping code or passing specs. Our workflow depends a lot on understanding the latest improvements in the ecosystem, keeping an eye on what’s being deprecated, and making sure our … Continue reading 🚀 Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby →

🔍 Understanding Ruby’s .. Range Operator in ActiveRecord Queries

July 21, 2025 When working with date ranges or numeric intervals in Ruby on Rails, writing clear and idiomatic code can be the difference between “just working” and being truly expressive. One tool that helps achieve this is Ruby’s inclusive range operator .. — and yes, it works beautifully with ActiveRecord too. 🔍 Understanding Ruby’s … Continue reading 🔍 Understanding Ruby’s .. Range Operator in ActiveRecord Queries →

🧠 Hash Transformations in Ruby: index_by vs index_with

🧠 Hash Transformations in Ruby: index_by vs index_with July 4, 2025 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → … Continue reading 🧠 Hash Transformations in Ruby: index_by vs index_with →

El que busca, encuentra: A Survey of Search Strategies in Ruby

A Survey of Search Strategies in Ruby July 3, 2025 "He who seeks, finds." — Popular Spanish Proverb In the domain of computer science and software engineering, the act of searching is more than a task — it is a fundamental cognitive pattern, embedded into the logic of algorithms, data structures, and the very languages … Continue reading El que busca, encuentra: A Survey of Search Strategies in Ruby →

Keep Your Ruby Projects Secure and Up-to-Date with Dependabot

Keep Your Ruby Projects Secure and Up-to-Date with Dependabot June 25, 2025 As developers, managing project dependencies can sometimes feel overwhelming — especially when it comes to ensuring they’re secure and up-to-date. Outdated or vulnerable dependencies can introduce serious risks to your applications. This is where Dependabot shines. Dependabot is a powerful, automated tool integrated … Continue reading Keep Your Ruby Projects Secure and Up-to-Date with Dependabot →

🚰 Streaming CSV Data: Line-by-Line Processing Like Draining a Tank

June 23, 2025 Imagine you're standing next to a massive tank — one that holds gigabytes of information. You need to drain it. You reach for a hose, expecting water, but instead... lines of CSV start pouring out. Fields and commas, endlessly. This is what CSV streaming feels like — and why it's such a … Continue reading 🚰 Streaming CSV Data: Line-by-Line Processing Like Draining a Tank →

🚨 Erratum: The N+1 Problem in Rails (and How I Redeemed Myself)

June 19, 2025 Yesterday morning, I had a deep and enjoyable technical interview covering a wide range of topics. But there was one moment I can’t forget: I completely fumbled a question about avoiding the N+1 problem in Rails. Maybe it was the lack of coffee ☕ — or just nerves — but my brain … Continue reading 🚨 Erratum: The N+1 Problem in Rails (and How I Redeemed Myself) →