Ori Marash

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Latest — Oct 3, 2025

Turbo Lazy-Loading Scroll — How 37Signals do it

Inside Campfire, I prompted cursor "How do we do infinite loading in the account users display?" Here's the result: The infinite loading for account users is implemented using Turbo Streams and lazy-loading Turbo Frames with the geared_pagination gem. Here's the complete flow: 1.

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A modern Amazon Mechanical Turk Requester UI

At FrameSports we needed some data entry done quickly, so we turned to Amazon's Mechanical Turk. I wanted to check that our hundreds of tasks were going through the system properly and that the system at large worked as I expected. But I couldn't find a

Advent of Code 2024 - Day 2: Red-Nosed Reports

Day 2 of the Advent of Code coding challenge. Restated problems: 1. You are given a list of "records". Each record is a list of numbers (called "levels"). How many of the records follow both these conditions? 1. Monotonic (always increasing or always decreasing) 2. Levels

Academorphic -- automated literature reviews

Academorphic, a tool for university students working on their dissertation, is designed to simplify the process of writing literature reviews. It's a fork of Morphic (GitHub). Academorphic gathers, summarises, and answers questions about academic papers, then generates a PDF literature review for you. I built it as part

Partitions of a set in Ruby

I needed an implementation for generating partitions of a set for FrameSports.ai (long story) and couldn't find a working implementation online

Trays - A faithful GTD implementation

I recorded this demo video about six months ago showing my ideal todo system. Some key features: * Capture: When you type new things into the system, you don't see anything else. This lets you "brain-dump" without seeing anything in the system: useful! * Process: You only see

ActiveCortex

ActiveCortex is a Ruby gem that makes it faster to integrate OpenAI with Ruby on Rails applications. Ruby on Rails is a framework for building web apps. It's been around for 20 years and has big names like Shopify and Github using it. It's also my

Just look at their code

One of my clients was searching to hire another developer. I was responsible for one of the steps in this hiring process: I verified the candidate could write good code. Through this process, I developed my own preferred way to test candidates.

RailsGPT

I've been playing around with using ChatGPT to answer my Rails-related questions. But I find that it often runs into problems. I decided to write a custom GPT to avoid them.

I emailed notes to the future 253 times over the past two years, here's what I learned

I've just looked back at every email I've received from followupthen.com. I was surprised to see 253 results, with the first coming back over two years ago! I hadn't realised how a free tool that sends emails back to you has been a