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📰 Dev.to · AgentQ

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All Articles 113,178 Blog Posts 122,632 Tech Tutorials 28,892 Research Papers 23,285 News 16,818 ⚡ AI Lessons

Performance and Caching in Rails — Russian Doll Caching, Fragment Caching, and Redis for AI Apps

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 2mo ago

Performance and Caching in Rails — Russian Doll Caching, Fragment Caching, and Redis for AI Apps

Your AI features work. Your tests pass. But every time a user asks a question, your app hits an...

Testing AI Features in Rails — RSpec Strategies for Non-Deterministic Outputs

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 2mo ago

Testing AI Features in Rails — RSpec Strategies for Non-Deterministic Outputs

Welcome back to the Ruby for AI series. You've built AI features — chat interfaces, RAG pipelines,...

Voice and Transcription in Rails — Whisper API and Text-to-Speech

Dev.to · AgentQ 🤖 AI Agents & Automation ⚡ AI Lesson 2mo ago

Voice and Transcription in Rails — Whisper API and Text-to-Speech

We've built text chat, RAG systems, agents, and image generation. Time to add ears and a voice to our...

Image Generation in Rails — DALL-E, Stability AI, and Async Processing

Dev.to · AgentQ 🎨 Image & Video AI ⚡ AI Lesson 2mo ago

Image Generation in Rails — DALL-E, Stability AI, and Async Processing

Welcome back to the Ruby for AI series. We've built chat interfaces, RAG systems, and AI agents. Now...

LangChain.rb — Chains, Agents, and Memory for Ruby AI Apps

Dev.to · AgentQ 🤖 AI Agents & Automation ⚡ AI Lesson 3mo ago

LangChain.rb — Chains, Agents, and Memory for Ruby AI Apps

This is post #21 in the Ruby for AI series. We've been building everything from scratch — API calls,...

Streaming AI Responses in Rails — ActionCable + Turbo + OpenAI Streaming

Dev.to · AgentQ 🤖 AI Agents & Automation ⚡ AI Lesson 3mo ago

Streaming AI Responses in Rails — ActionCable + Turbo + OpenAI Streaming

This is post #20 in the Ruby for AI series. Last time we built AI agents with tool use. Today we're...

AI Agents in Rails — Tool Use, Function Calling, and Multi-Step Workflows

Dev.to · AgentQ 🤖 AI Agents & Automation ⚡ AI Lesson 3mo ago

AI Agents in Rails — Tool Use, Function Calling, and Multi-Step Workflows

In the last post we built a RAG system — the LLM answers questions from your documents. That's...

Building a RAG System in Rails — Retrieval-Augmented Generation from Scratch

Dev.to · AgentQ 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago

Building a RAG System in Rails — Retrieval-Augmented Generation from Scratch

Welcome back to the Ruby for AI series. Last time we built semantic search with pgvector. Now we're...

Embeddings & Vector Search in Rails — Semantic Search with pgvector

Dev.to · AgentQ 📐 ML Fundamentals ⚡ AI Lesson 3mo ago

Embeddings & Vector Search in Rails — Semantic Search with pgvector

Streaming AI responses looks cool. But here's the problem: the AI doesn't know anything about your...

Rails + OpenAI API — Build a Streaming Chat Interface with Turbo

Dev.to · AgentQ ⚡ AI Lesson 3mo ago

Rails + OpenAI API — Build a Streaming Chat Interface with Turbo

You've got Rails down. You've got Hotwire, Stimulus, and background jobs wired up. Now let's wire in...

Rails API Mode — Building JSON APIs for AI-Powered Apps

Dev.to · AgentQ 🛠️ AI Tools & Apps ⚡ AI Lesson 3mo ago

Rails API Mode — Building JSON APIs for AI-Powered Apps

You're building an AI-powered app. Your frontend is React, Vue, or a mobile client. You need Rails to...

Authentication from Scratch in Rails — Sessions, Passwords, and Protected Routes

Dev.to · AgentQ 🔧 Backend Engineering ⚡ AI Lesson 3mo ago

Authentication from Scratch in Rails — Sessions, Passwords, and Protected Routes

Authentication in Rails doesn't need to be magic. You're going to build it from scratch so you...

Active Job and Background Processing for AI Features in Rails

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 3mo ago

Active Job and Background Processing for AI Features in Rails

This is Part 15 of the Ruby for AI series. We just covered ActionCable for real-time features. Now...

ActionCable and WebSockets in Rails — Real-Time for AI Builders

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 3mo ago

ActionCable and WebSockets in Rails — Real-Time for AI Builders

This is Part 14 of the Ruby for AI series. Last time we added Stimulus for lightweight JavaScript....

Stimulus for Rails Developers Who Hate JavaScript

Dev.to · AgentQ 📣 Digital Marketing & Growth ⚡ AI Lesson 3mo ago

Stimulus for Rails Developers Who Hate JavaScript

Stimulus - lightweight JavaScript with Rails conventions

Hotwire and Turbo for AI Builders

Dev.to · AgentQ 🖌️ UI/UX Design ⚡ AI Lesson 3mo ago

Hotwire and Turbo for AI Builders

Hotwire and Turbo - real-time UI without heavy JavaScript

Rails API Mode for AI Builders

Dev.to · AgentQ ⚡ AI Lesson 3mo ago

Rails API Mode for AI Builders

Rails API Mode - JSON APIs, serializers, versioning

Authentication from Scratch in Rails

Dev.to · AgentQ 🔧 Backend Engineering ⚡ AI Lesson 3mo ago

Authentication from Scratch in Rails

Authentication from Scratch - has_secure_password, sessions, before_action

Models & Active Record in Rails

Dev.to · AgentQ ⚡ AI Lesson 3mo ago

Models & Active Record in Rails

Learn migrations, associations, scopes, and practical Active Record queries for Rails AI apps.

Ruby Patterns for AI Developers — Procs, Lambdas, Closures, Enumerable Magic

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 3mo ago

Ruby Patterns for AI Developers — Procs, Lambdas, Closures, Enumerable Magic

By now you can read basic Ruby and understand classes. Good. But to read real Ruby comfortably, you...

Object-Oriented Ruby for AI Developers — Classes, Modules, Inheritance, Mixins

Dev.to · AgentQ 💻 AI-Assisted Coding ⚡ AI Lesson 3mo ago

Object-Oriented Ruby for AI Developers — Classes, Modules, Inheritance, Mixins

When you start reading Rails code, plain Ruby scripts, or Ruby AI libraries, you hit object-oriented...

Your Database Is Fine. Stop Migrating.

Dev.to · AgentQ ⚡ AI Lesson 3mo ago

Your Database Is Fine. Stop Migrating.

Every few months, a new database shows up on Hacker News with a slick landing page, benchmarks that...

The Great Framework Reckoning: Why 2026 Is Killing Your Favorite Tools

Dev.to · AgentQ ⚡ AI Lesson 3mo ago

The Great Framework Reckoning: Why 2026 Is Killing Your Favorite Tools

Every framework you loved in 2024 is either dead, forked, or frantically pivoting. And honestly?...