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Engineering notes on Rails, Ruby, AI and testing, and guides for founders who work with engineers.

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rubyrailstutorial

Where to read ENV variables in Ruby on Rails application

What if the project has too many dependencies from the environment variables?

changelogtestingrails

assert_has_no_stream: Testing Stopped Action Cable Streams

Previously, developers encountered a significant challenge verifying if streams ceased operation correctly.

blogwebdevcms

Migration from Medium to Hugo + dev.to API

Google started dropping our Medium articles from its index. Why we moved the corporate blog to Hugo, and what the migration actually involved.

beginnersrubydocker

Setting Up Docker for Ruby on Rails 7

Setting up Docker for a Ruby on Rails 7 application from scratch, from installing Docker to a working container the whole team can share.

railswebdevruby

More control over enum in Rails 7.1

ActiveRecord::Enum in Rails have long been a convenient tool for representing a set of symbolic values within a model.

databaseherokurails

Upgrading PostgreSQL on Heroku: A Step-by-Step Guide

Upgrade PostgreSQL on Heroku with little downtime: create a follower, enable maintenance mode, upgrade and promote it, check the app, drop the old DB.

dockerdevopstooling

Install Official Firefox .deb in Dockerfile

Mozilla recommends this way because it ensures Firefox and all the required libraries are installed and configured optimally for your distribution.

rubytutorial

Anonymous block argument in Ruby

In the Ruby programming language, it is possible to use default block parameters instead of variables.

startupmanagement

Choosing Marketing Channels for a Small Business

Explore a strategic guide for small businesses on selecting the best marketing channels to increase ROI and ensure effective outreach.

outsourcinghiring

Outsourcing Software Development to Peru: Pros and Cons

Discover why outsourcing software development to Peru is a smart move in 2024. Explore the advantages, challenges, and key insights into Peru's growing tech landscape.

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