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How to Monitor Your Ruby on Rails App with Uptime Checks and Sidekiq Heartbeats (free) Your Rails app just went down at 3 AM and you found
Rails Performance: Lessons from Production — #6 By now the DB queries, caching, and background work are handled. But sometimes the SQL is genuinely
Rails Performance: Lessons from Production — #5 The earlier posts optimized what happens inside a request — fewer queries, indexes, caching. This on
Originally published at claudeguide.io/claude-api-ruby-rails-guide Claude API Ruby on Rails: Complete Guide (2026) You can call the Clau
The difference between validates and validate in Rails is one letter, and that letter changes everything. One is the built-in helper you feed a list o
Scopes and class methods in Rails do almost the same job, which is exactly why the question trips people up. The honest answer is that a scope is basi
Callbacks are one of those Rails features that feel great for about three months and then quietly ruin your afternoon. The question I got asked in an
MVC is the first thing anyone learns about Rails and the last thing people actually get right. The pattern itself is simple. Three layers, each with o
Ask your product anything, in plain English, and it answers. Then it keeps watching and tells you the moment the answer changes. That's the whole thi
Modern applications thrive on fast and efficient communication. While JSON has long been the go-to format for data exchange, many large-scale tech com
Order matching has dropped in Shitcoin Swap in ~100 lines of Ruby. Most crypto exchanges reach for an existing matching engine or a Uniswap-style AMM
I Built Commercial Redis CDC Source Drivers for Ruby — Here's What I Learned For the past couple of years I've been building a Change Data
It has been a while, but Astronoby just got a brand new release, and it's massive! Let me introduce you to all the new wonders you can reach with Astr
I've started moving all of my content over to baweaver.com powered by Bridgetown under github.com/baweaver/portfolio. Why? I wanted more c
Rails Performance: Lessons from Production — #3 The first two posts were about making queries cheaper — fewer N+1s, indexes, not dragging data back
Many companies believe that deploying a local LLM automatically gives them an enterprise AI assistant. In reality, the model is only the first laye
A Rails app grows. Changes in one corner start breaking another, two teams keep colliding in the same files, and eventually someone says the word micr
Large Language Models have fundamentally changed how we build internal business applications. They allow developers to create intelligent software tha
For a long time, if you wanted to send a "Push Notification" to a user’s phone or laptop, you needed a native mobile app. For solo developers, this wa
I wanted to look at some real-world patterns from popular Ruby open-source codebases and show how they could be modelled using Rage, a Rails-compatibl