Ruby On Rails

Tutorials

3 Defensive Programming Techniques for Rails

3 Defensive Programming Techniques for Rails Incidents happen all the time because of bad code deploys. You write some code that passes code review, it then is automatically shipped to production after a test suite passes, and BAM, an outage happens. This fairly common occurrence has ways to...

Algebraic effects for Ruby

Algebraic effects for Ruby Affect is a tiny Ruby gem providing a way to isolate and handle side-effects in functional programs. Affect implements algebraic effects in Ruby, but can also be used to implement patterns that are orthogonal to object-oriented programming, such a...

Six Ruby array methods you need to know

Six Ruby array methods you need to know Arrays are one of the fundamental structures of programming. Being able to quickly manipulate and read data out of them is vital to success in building stuff with computers. Here are six methods you can’t do without.

Cache large drop-downs in Rails

Cache large drop-downs in Rails Today I noticed that a couple of drop-downs in a key form were taking several seconds to load.At first I figured it's a slow query, because the drop-downs load data from the DB and there's several dozen records. But, no, queries take only a couple...

GraphQL Voyager for Rails

GraphQL Voyager for Rails It’s been almost a year now working and building with GraphQL backed APIs. One of the best things about GraphQL has always been their dev tooling.Firing up GraphiQL, and crafting a query on the fly has been amazing.But, one of the struggles I’ve f...

More than "Hello World" in Docker: Build Rails Sidekiq web apps in Docker

More than "Hello World" in Docker: Build Rails Sidekiq web apps in Docker There is no shortage of web tutorials on how to display "Hello World" in Docker. The problem is that the path from getting your app to say "Hello World" in Docker, to running production-grade applications in AWS, is often not as straightforward. E...

redis-namespace: when one sidekiq process is not enough

redis-namespace: when one sidekiq process is not enough Few months ago I was working in a project in which we had two applications communicating with each other. Each of them had to has its own sidekiq process, but they were deployed to one server. After some time, I realized that after deploying one a...

Parsimony with ActiveRecord callbacks

Parsimony with ActiveRecord callbacks It's not rare to see someone associating activerecord callbacks with something bad or wrong, avoiding at all cost using them and thinking in other ways to achieve the desired goal, although i believe that nothing is absolute and there are situatio...

Refactoring towards query objects in Rails

Refactoring towards query objects in Rails Query ObjectsThey store complex SQL queries, data aggregation, and filtering methods.The problemSay you have the following view.

Creating a SaaS product quickly with Rails an React

Creating a SaaS product quickly with Rails an React Living Room Is a company (started by Browntree Labs) that creates software for property managers. LivingRoom wanted to build a beautiful application that empowers both tenants and property managers with tools to make managing apartments easier.

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