Codeminer42's Engineering Blog
Database

Optimizing Rails API JSON generation
JSON has become a ubiquitous data transfer format for web APIs. Whether you're working on a third-party integration, or endpoints to serve data for rich clients (single page application, mobile…
Using ActiveRecord to create atomic transactions
Imagine the following situation: You were asked to create a new wallet feature to an application. This wallet must allow money transfer between users. Basically, you take money from an…