April 27, 2018
How to detect colour brightness in Ruby
The first attempt Working on a project where users can customise background colour for their profile, I needed a way to test if a background colour is light or dark (more…)
April 10, 2018
Automating mobile build distribution: Android
The problem we solved In day-to-day mobile app development, distributing builds for testing teams in order to verify new features or bug fixes becomes a hassle over time. (more…)
March 14, 2018
Integrating recurring payments with Stripe
When you’re working with online payments there’s little room for error, especially when your application has a large number of active users, which is certainly the case with our current project. (more…)
July 26, 2017
How to use Vimeo upload for Android and iOS
Introduction A video upload feature is commonly implemented inside applications. Solutions are often simple, but not straightforward. (more…)
April 18, 2017
Using Firebase to provide realtime notifications
In order to provide real-time notifications for web and Android users, we have decided to make use of the Firebase features in our web application, (more…)
January 31, 2017
Migrating push notifications from Urban Airship to Amazon SNS
The project we are working on is web application implemented in Ruby on Rails with API used by mobile clients - iOS and Android and currently used by over 2.5 million users on a daily basis. (more…)
January 17, 2017
Migrating push notifications from Parse to Amazon SNS
We recently switched from Parse to Amazon SNS for our push notification service. Parse is shutting down on January 28th, so we had to switch to a different service provider. Fortunately for us, we only used Parse for push notifications, which made the migration process much easier. Our application is…
November 22, 2016
Using Puppet to build Docker images
One of Docker's most enticing features is rapid application deployment, meaning that once we generate a Docker image, it contains the application itself and all the runtime dependencies. (more…)
July 21, 2016
Importance and goals of filtering GTFS
Importance and goals of filtering GTFS One of the goals of this article is to introduce software developers to GTFS feeds, their structure, and the relations between each of the files. (more…)
January 7, 2016
STOMP/ActiveMQ communication for Ruby/Rails applications
Introduction Using a messaging protocol to facilitate communication between different applications is nothing new, in fact it has been the defacto standard for fast and reliable communication. (more…)