How to customize the display name of dynamic ActiveAdmin search filters

By Juan Francisco Ferrari • July 1, 2020 • 1 Comment

Working with ActiveAdmin At Rootstrap, my first assignment was to develop a Ruby on Rails application which uses ActiveAdmin (with ActiveAdmin Addons) as a framework to implement the user interface. I had never used ActiveAdmin before and I found myself reading a lot of documentation of the gem, in some

ActiveAdmin 2FA with OneLogin

By Federico Agripa • June 15, 2020 • 0 Comments

Here at Rootstrap, security is one of the top priorities, for us and for our clients. We ensure that malicious users can’t access any sensitive information from our client’s web apps. In this blog post, you’ll learn how to configure two factor authentication with OneLogin for your admin panel. 1) Some

Rails N + 2 queries

By Bruno Vezoli • June 4, 2020 • 0 Comments

We usually try to solve performance problems by using #includes to get rid of N + 1 queries but this doesn’t always fix the issue; in fact, it can even create more queries under some circumstances. This post shows a few examples of when that happens and how to deal with it.

Introducing yaaf

By juanmanuelramallo • April 16, 2020 • 0 Comments

Yet Another Active Form | Using form objects in Rails Apps Introducing Yet Another Active Form yaaf, a gem to ease the usage of the form object pattern in rails apps. Form Object Pain Points The form object pattern is widely used across Rails apps, and yet we tend to write

How to improve maintainability in Rails applications using patterns: Part II

By Ignacio Perez • March 23, 2020 • 0 Comments

Introduction In the first part of this article we mentioned some important design principles and how they are not respected when overusing patterns and techniques that come with Ruby on Rails. In this part we will continue to investigate these and how we can mitigate the problems they cause to maintainability. Overused

Building an Engine-modularized API in Rails

By Guillermo Leopold • March 11, 2020 • 0 Comments

When big development teams build an API, one of the main challenges that we face is being able to work together on different features while avoiding bottle-necks or other common issues such as conflicting perspectives or avoid overlapping efforts on particular features. Because of this, when we started working on

Phoenix for Rails Developers – Part 2

By Bruno Vezoli • March 6, 2020 • 0 Comments

Introduction In the first part of this blog post we talked about how Rails and Phoenix compare on the web layer, if you haven’t read it go and check it out. Following on from that, we’ll see how data and the business layer are implemented on both frameworks. Migrations Let’s start

Phoenix for Rails Developers: A Practical Example – Part 1

By Bruno Vezoli • February 17, 2020 • 1 Comment

This is an introductory post to Phoenix, Elixir’s web framework. It is not intended to be a complete guide since it’s a big framework with lots of things to dive into, but rather to show a side by side comparison of how things are done in both frameworks using the

How to Improve Maintainability in Rails Applications Using Patterns. Part I

By Ignacio Perez • February 14, 2020 • 0 Comments

Introduction Software is constantly evolving, both in specification and implementation. Keeping an extensible and maintainable codebase is therefore crucial in order to deal with these changes quickly and easily. Ruby on Rails comes with a lot of good techniques and patterns out of the box that facilitate this. Nevertheless, some

Payment platforms for mobile apps

By Gonzalo Mercadante • August 27, 2019 • 0 Comments

It’s common these days to see apps that offer to sell you in-app content on your mobile device. Sometimes they only sell virtual things like coins, diamonds, and credits that give users access to certain functionalities. But on a lot of e-commerce apps, like Amazon, you can buy physical goods. Both types of apps have platforms that manage payments. And there are many payment platform options to choose from. This article lists some of them, along with their pros and cons.

You can’t always use the payment platform you want. You might want to sell virtual or digital goods on your app like coins and credits, but you don’t provide another way to do that like a web page. In this case, you must use in-app purchases to be approved by Apple. But if you run an e-commerce page where you sell solid goods like clothes, you can use other payment methods.