So you have an idea for an application. That’s great! You probably know how to solve a specific problem and you thought through your business model. Now you have to choose the technology it will be written in. 

During the last few years of development practice in our company we have started developing common scopes of technologies helpful when dealing with some particular app functionalities. This way we found out that we tend to use Carrierwave for handling file uploads in our applications.

eHealth apps and devices are typically viewed as gadgets these days, designed to aggregate data on our well-being and everyday tasks. We think of them as ways to monitor and support a healthier lifestyle. This is just one side of the story though. 

Building APIs using Ruby on Rails is a very common practice. As backend developers we need to properly send responses from the server, sometimes containing long and complex data structures. I can’t imagine creating a response without the ActiveModel::Serializer gem 

As everyone knows - “tests are very important!”, and “oh no! this application has no tests!” are the most common sentences in the subject of tests. Indeed tests are important, but it’s nice when they are created properly, so we don’t have to go for a coffee after running them. I would like to present to you some tips on how to increase the speed of our tests. 

This short guide covers all steps you should take in order to deploy your Ruby on Rails application to a VPS (Virtual Private Server) and make it available to everyone over the Internet. 

I have been selling for years. The key to being an effective reseller is the ability to quickly adapt to different types of customers. It is not hard at all if you have prepared your customer typology in advance. You do not have to invent it anymore - Carl Gustav Jung already did it. 

Your release .apk file size is something you should keep in mind, from the very beginning of the application development process. It is important to care about method count, proper usage of resource files and libraries. 

Hey Hi Hello! Today I want to show you my favourite technology. Elasticsearch is the search engine based on Lucene. Why it is nice? Let me show you a few things about this technology.