AI TIP: Plan Mode into PRD/ERD as Session HandoffsPlan Heavy with Claude
by Plan Heavy with Claude: Plan Mode, DDD, and PRD/ERD as Session Handoffs If you’ve used Claude Code on anything bigger than a weekend project, you’ve …
Category: Advanced
Privacy on RailsPragmatically complying with data protection laws
by On a calm and peaceful day, you’re working on your project, combobulating, discombobulating… then this email shows up in the contact inbox: From: notthatdhh@example.com To: …
Jujutsu (JJ): An Alternative to Git?Jujutsu proposes to be simpler yet more powerful than Git. But is it worth switching? Let's find out.
by We’ve already spent a lot of time using Git… But another tool is trying to offer enough advantages to justify making the switch. Let’s dig …
Mastering Derived Tables in Rails
by Hey fellow Rails developers! Ever found yourself wrestling with complex SQL queries that involve aggregations, subqueries, or needing to join against computed results? Today, we’re …
Everything you should know about Background Jobs with ActiveJob
by Orchestrating background tasks (or "jobs," as they are often called) is common in web development. Any application that deals with time-consuming operations, such as sending …
The Road To JVM: How To Create A Brainfuck Interpreter
by While studying low-level programming and the fundamentals of computation, I stumbled upon Brainfuck, an esoteric programming language. It has only eight commands and is very …
How to Speed Up Mobile App Development with Expo OTA Updates
by There are a lot of articles out there talking about how great it is to use OTA updates in production, but in this article, I’d …
React Server Components in Expo: A Practical Guide
by I’ve seen a lot of traction towards the development and adoption of React Server Components (RSCs) with new frameworks like React Router and Expo having …
Codeminer42 Hackathon: a lesson on experimentation
On November 23rd, Codeminer42 organized its first Hackathon. The goal was quite simple: to encourage the experimentation of new technologies in problems that are a …
A Day In The Life of a Ruby EnumeratorLet's see what is under the hoods
I spent some time trying to elaborate a good introduction for this post. I wanted to start with a great quote or something like that …